Posts Tagged: HVAC maintenance

AC & Heating Maintenance in Newport Beach: Stay Ready All Year

Posted July 15, 2026 by Daniel Midson-Short & filed under Air Conditioner, Air Conditioning, Air Conditioning Services, HVAC.

Get your Newport Beach home ready for fall and winter with seasonal AC and heating maintenance. For most of the year (and sometimes many years) your AC seems fine, but routine maintenance catches wear before it becomes an urgent repair. Explore our residential HVAC maintenance plan and call (562) 201-3014 to schedule.

That’s how most Newport Beach homeowners treat their AC unit. Out of sight, out of mind, until the day it stops on a random 89-degree afternoon.

But here’s what you can’t see underneath the hood. Dust slowly builds up on the coils. A small refrigerant leak can gradually reduce cooling performance. The drain line collects debris. Each issue slowly but surely chips away at performance.

Of course, you don’t notice because it happens gradually. Your electricity bills creep up. The house takes slightly longer to cool. The AC system makes different noises than in years before.

This slow decline of your Newport Beach AC system is the real cost of skipped maintenance. In this article, we’ll explore what a maintenance visit includes and why it saves you money. We’ll also show you how to keep your HVAC system ready through fall and winter.

Why Skipped AC Maintenance Costs You More Than You Think

Maintenance feels easy to skip. The AC works, so why pay for service?

The numbers tell a different story. According to the U.S. Department of Energy, neglecting necessary maintenance can reduce air-conditioning performance while regular maintenance helps the system operate effectively.

That lost efficiency shows up on every electric bill. In Newport Beach, seasonal cooling costs can add up fast. Even a modest efficiency loss can increase cooling costs over time.

There’s a bigger cost too. The Department of Energy recommends regular maintenance to help air-conditioning systems operate effectively.

Skipping maintenance can allow small performance issues to go unnoticed until they become more disruptive.

Then there’s comfort. A well-maintained AC keeps your home steady through a heat wave. The CDC reports that heat is the leading weather-related cause of death. A dependable AC is your first line of defense at home.

Coastal Newport Beach makes AC maintenance matter even more. Salty ocean air corrodes outdoor coils and electrical parts faster than inland air does. That extra wear is exactly what a yearly maintenance visit is built to catch.

What an AC Maintenance Visit in Newport Beach Actually Includes

A maintenance visit ($159) is our detailed, component-by-component service. It goes well beyond a quick tune-up ($99), which is an inspection-based check with a filter change. On a maintenance visit, a licensed HVAC technician inspects, cleans, and tests your whole system.

Here’s what a maintenance visit covers:

Refrigerant check. Low refrigerant can cause weak cooling and frozen coils and may indicate a leak.
Coil cleaning. Dirty condenser coils force the system to work harder for less cooling.
Electrical inspection. Capacitors and contactors wear out faster in salty coastal air.
Drain line flush. A clogged condensate line can cause water problems or an AC shutdown.
Thermostat calibration. A small miscalibration wastes energy on every cooling cycle.
Airflow and blower test. Weak airflow strains the compressor and shortens its lifespan.

Visit length depends on the system and its condition. The ENERGY STAR program recommends annual pre-season checkups by a professional contractor.

Most of these checks happen out of sight. That’s exactly why their value is so easy to underestimate.

You can handle one piece yourself between visits. Swap your air filter every 1 to 3 months during cooling season. A clean filter protects airflow and keeps the blower from straining.

Everything else needs trained hands and proper tools. Refrigerant and electrical work are jobs for a licensed technician, not a weekend project.

When to Schedule AC Maintenance in Newport Beach

Timing matters when planning AC maintenance.

Maintenance needs vary by system type, condition, accessibility, and service scope. Thomson AC can review your equipment and explain the recommended work before service begins.

Finding wear or performance issues during planned maintenance can give you more time to understand your options before an urgent breakdown.

Timing is the other half. For fall and winter readiness, schedule your AC and heating check before temperatures drop. Service calendars can fill when seasonal demand rises, and planned maintenance helps avoid disruptive breakdowns.

Explore Thomson AC’s residential HVAC maintenance plan hub to learn about ongoing maintenance options for your home.

Our Newport Beach HVAC team handles maintenance across Newport Beach and the rest of coastal Orange County.

Planned maintenance can make it easier to keep routine HVAC care on your household calendar and address recommendations before peak cooling demand.

Heater Tune-Ups for Newport Beach Homes

Once the evenings cool down, your furnace goes back to work after months of sitting idle. A quick check before the first cold night helps you avoid a heater that won’t stay lit.

You have two options:

Tune-up, $99. A quick, inspection-based visit. We make sure your heater starts and runs safely, check for obvious issues and change your filter.
Maintenance visit, $159. A detailed, component-by-component inspection. For heating season, we also flush the drain line and clean the flame sensor, which is a common cause of a furnace that lights and then shuts off.

If your system is newer and running fine, a tune-up is usually enough. If it’s older, or it gave you trouble last winter, the maintenance visit is the better choice. If something needs repair, we’ll explain it and give you the price before any work starts. See our furnace repair page for details.

Call us or Text us at 201-3014 to book, or ask for a Free Estimate. Financing is available through Goodleap.

Keep Your Newport Beach Home Comfortable Through Fall and Winter

Skipped maintenance is a quiet problem with a loud ending. Lost efficiency, higher bills, and a breakdown at the worst possible moment.

The fix is simple and affordable. Regular professional maintenance can help your AC operate effectively and reduce the chance that developing issues go unnoticed.

If you’re in Newport Beach, Costa Mesa, or anywhere across Orange County, Thomson Air Conditioning is ready to help. Our licensed technicians have served local homeowners for decades and know coastal AC systems inside and out.

Call Thomson AC at 562-201-3014 or reach out to us online to book your Newport Beach AC maintenance today. Prepare your system for fall and winter.

Ready for a fall tune-up? Join our residential HVAC maintenance plan or Call us at (562) 201-3014 for a Free Estimate. Serving Newport Beach, Huntington Beach, and Orange County.

AC Maintenance FAQs for Newport Beach Homes

When should I schedule a fall AC or HVAC tune-up in Newport Beach?

Book your fall visit before cooler nights settle in, typically September through early November. A pre-winter check helps catch problems before a no-cool weekend or the first cold night. A $99 tune-up is a quick inspection with a filter change; a $159 maintenance visit adds a detailed component-by-component inspection, including salt-air checks on outdoor equipment. Call us at (562) 201-3014 to schedule.

What is included in a Thomson AC maintenance visit?

A maintenance visit ($159) covers airflow and filter checks, outdoor coil cleaning and a drain line flush, electrical connections and capacitors, thermostat verification, and a performance check so you know whether the system is ready for the season. For heating season, we also clean the flame sensor. You get clear notes on anything that needs attention, with no mystery upsells.

Should I choose a one-time tune-up or the residential maintenance plan?

A one-time visit is fine if you only need this season covered: a $99 tune-up for a quick inspection and filter change, or a $159 maintenance visit for a detailed component-by-component inspection. The residential HVAC maintenance plan is for homeowners who want regular seasonal care on the calendar without having to remember to book it. Ask us and we’ll explain the current plan details for your Newport Beach home.

Do you service Newport Beach, Huntington Beach, and nearby Orange County?

Yes. Thomson AC serves Newport Beach, Huntington Beach, and Orange County homes for AC and HVAC maintenance, repair, and plan visits. We are a local Huntington Beach–based team, not a national call center. Call us or Text us at (562) 201-3014.

How do I book fall maintenance or ask about the plan?

Call us at (562) 201-3014 for a Free Estimate or plan options, or review the residential HVAC maintenance plan and tell us which visit window works for your home.

Why Is My Air Conditioner Freezing Up? Here’s What It Usually Means

Posted July 10, 2026 by Daniel Midson-Short & filed under Air Conditioning, Air Conditioning Services.

If you’ve ever looked at your air conditioner and found the refrigerant lines or indoor coil covered in ice, you’re not alone.

While it may seem strange for an air conditioner to freeze up during the summer, it’s actually a common HVAC issue, and it’s usually a sign that something isn’t working correctly.

At Thomson Air Conditioning, one of the most common questions we hear is, “Why is my AC freezing up?” The answer typically comes down to one of two things: restricted airflow or low refrigerant.

The #1 Cause of AC Freezing: Restricted Airflow

Your air conditioner relies on a steady stream of warm air moving across the evaporator coil. As that air passes over the coil, the refrigerant inside absorbs heat, cooling your home.

When there isn’t enough airflow, the coil gets colder and colder until moisture in the air freezes onto it. Over time, that thin layer of frost can become a solid block of ice.

Think of it like an ice skating rink. An ice rink is essentially a cooling system with very little airflow. Without warm air constantly passing over the surface, it continues getting colder until ice forms. Your evaporator coil behaves the same way.

Common causes of restricted airflow include:

A dirty or clogged air filter
Blocked or closed supply vents
Damaged, kinked, or disconnected ductwork
A dirty evaporator coil
Poor duct design that doesn’t move enough air

If your AC is freezing repeatedly, checking the airflow should always be the first step.

The Second Common Cause: Low Refrigerant

The other major reason an AC coil freezes is low refrigerant.

As refrigerant pressure drops, so does its temperature. If the pressure becomes too low because of a refrigerant leak, the evaporator coil can fall below freezing, causing ice to form.

Unlike a dirty filter, refrigerant doesn’t get “used up.” If your AC system is low on refrigerant, there’s almost always a leak that should be found and repaired by a qualified HVAC technician.

Signs Your Air Conditioner May Be Freezing

Watch for these common symptoms for your AC freezing:

Ice on the refrigerant lines
Frost covering the indoor evaporator coil
Water dripping around the indoor unit after the ice melts
Weak airflow from your vents
Your AC runs constantly but struggles to cool your home

Ignoring these signs can lead to reduced efficiency, higher utility bills, and even compressor damage.

What Should You Do If Your AC Freezes?

If you notice ice on your AC system:

Turn off your air conditioner.
Switch the fan to ON to help thaw the ice.
Check and replace your air filter if it’s dirty.
Make sure all vents are open and unobstructed.
If the system freezes again after thawing, schedule a professional inspection.

Continuing to run a frozen system can make the problem worse and may cause expensive damage.

Keep Your System Running Efficiently

Many frozen air conditioner problems can be prevented with routine maintenance. Regular inspections help identify airflow issues, dirty coils, refrigerant leaks, and other small problems before they become major repairs.

If your air conditioner keeps freezing up, the team at Thomson Air Conditioning can diagnose the cause and get your AC system back to cooling efficiently.

Whether it’s a simple airflow issue or a refrigerant leak, we’ll help you find the right solution so your home stays comfortable all summer long. Reach out to us and we can get you back up and running for the long hot Southern California summer head.

AC Repair in Costa Mesa: Get Fast Help When Summer Heat Hits

Posted July 2, 2026 by Daniel Midson-Short & filed under AC Repair, Air Conditioner, Air Conditioning, Air Conditioning Services, HVAC.

It always happens at the worst time. The Costa Mesa afternoon hits 90 degrees. You walk inside expecting relief. The house feels like an oven.

You check the thermostat. The AC is running. The air coming out of the vents is warm.

That moment of panic is real. You start doing the math on a repair bill you didn’t plan for. You wonder how long your family has to sweat it out.

Most AC breakdowns aren’t random. They build slowly through spring. A low refrigerant charge. A tired capacitor. A clogged drain line that finally gives up.

By the time the heat arrives, your AC unit is running on borrowed time. Then it stops.

The good news is that most summer breakdowns are fixable, often same-day.

In this article, we’ll explore what causes these failures and what repairs cost. We’ll also show you how to find fast help.

Why COSTA MEsa AC Units Break Down in Summer

Heat is the trigger, not the cause. Your AC works hardest in July and August. That extra strain exposes weak parts that limped through spring.

A few failures show up again and again in Costa Mesa homes:

A failed capacitor. This small part starts the compressor. Heat wears it out fast, and the AC stops cooling.
Low refrigerant from a slow leak. Your system blows warm air and the outdoor coil can freeze over.
A clogged condensate drain line. Water backs up, the safety switch trips, and the AC shuts off.
A worn compressor. Years of run time and skipped maintenance take their toll.

Heat also raises the stakes. According to the CDC, heat is the leading weather-related cause of death in the United States. The National Weather Service warns that indoor heat is especially dangerous for kids, older adults, and pets.

A broken AC isn’t just uncomfortable. During a heat wave, it’s a real safety issue.

Coastal Costa Mesa adds its own twist. Salt-laced ocean air corrodes outdoor components faster than inland conditions. That corrosion eats at electrical contacts and coil fins over time.

So a system that would last 15 years inland might show trouble sooner here. Local wear patterns are part of why repairs cluster in the summer months.

What AC Repair Costs and How Long It Takes

Here’s the part most homeowners want to know first: the price.

A typical AC repair in Costa Mesa runs $150 to $800. Simple fixes are at the low end. A capacitor swap or drain clearing often costs $150 to $400 and takes under an hour.

Bigger AC repairs such as a refrigerant leak repair runs $400 to $1,500 depending on the leak. A failed AC compressor is the priciest fix, often $1,200 to $2,800.

Most repairs wrap up in a single visit. A licensed technician diagnoses the problem, confirms the price with you, and gets your home cool again the same day.

When you call Thomson Air Conditioning, you get a clear diagnosis and an honest quote before any work starts. No surprises on the bill.

There’s a smarter long game too. The U.S. Department of Energy reports that a well-maintained AC keeps its efficiency and lasts years longer. A small repair caught early often prevents a full replacement later.

The order of the bill matters too. Diagnosis fees usually run $75 to $150, and a good company rolls that into the repair cost. Ask before you book.

Watch out for flat-rate quotes given over the phone. No honest technician prices a compressor without seeing your system first.

How to Get Fast AC Help in Costa Mesa

Speed matters when your home is heating up. Here’s how to handle a breakdown without making it worse.

First, shut the system off if you see ice on the outdoor unit or smell burning. Running a frozen or overheating AC causes more damage.

Next, check the simple stuff. A tripped breaker or a packed air filter sometimes solves the problem in two minutes. A clogged filter starves the system of airflow.

If that doesn’t fix it, call a professional. The Department of Energy recommends professional service for any refrigerant, electrical, or compressor issue.

This is where local HVAC experience matters. A Costa Mesa company knows that coastal adjacent AC systems and the salt-air corrosion that wears them down faster. Our residential HVAC team handles repairs across the area, including same-day calls during heat waves.

Don’t wait days for relief. The longer a broken AC sits, the hotter your home gets and the more a small problem can grow.

While you wait for the technician, stay cool safely. Close blinds against the afternoon sun. Run fans to keep air moving. Drink plenty of water.

Get Your AC Running Again Today

A summer AC breakdown in Costa Mesa feels like an emergency because it is one. Warm air, a hot house, and a repair bill you didn’t expect add up to a stressful day.

The fix is usually simpler than you fear. Most repairs cost a few hundred dollars and finish in a single visit. The key is acting fast before the problem spreads.

Has your AC quit in Costa Mesa or across Orange County? Thomson Air Conditioning is ready to help. Our licensed technicians have served the local Costa Mesa area for years.

We know how to get coastal systems cool again fast.

Call Thomson AC at (562) 373-2386 or reach out to us online to book your AC repair today. Beat the heat, and get your Costa Mesa home comfortable again fast.

How to Choose Reliable HVAC Service in Huntington Beach

Posted June 2, 2026 by Daniel Midson-Short & filed under AC Repair, Air Conditioner, Air Conditioning Services, HVAC, Indoor Air Quality.

Your home in Huntington Beach should feel like a coastal retreat. Cool, calm, and comfortable.

But when summer hits and the marine layer burns off by 11am, indoor temps climb past 80 degrees.

Your AC unit hums away, but the airflow feels weak. Rooms upstairs stay warm even with the system running.

Sound familiar?

When Your Coastal Comfort Slips Away

The problem usually points to one thing. Your HVAC system in Huntington Beach can’t keep up with the unique demands of coastal Orange County living.

Salt air accelerates corrosion on outdoor condenser coils. Marine humidity strains evaporator components.

Old AC units lose efficiency every year they run without service.

Many homeowners chase quick fixes. They call the cheapest contractor or skip seasonal tune-ups.

The result? Higher bills, repeat breakdowns, and shorter equipment life.

In this article, we’ll explore how to choose dependable HVAC service in Huntington Beach. You’ll see what matters in a contractor, and how Thomson AC can help if you need a hand.

Why Huntington Beach Homes Demand Specialized HVAC Care

Huntington Beach sits on the Pacific Coast. Salt air drifts inland from Sunset Beach and Bolsa Chica every day.

That coastal exposure changes everything for your HVAC unit. Sea salt settles on outdoor equipment and works on the aluminum fins and copper tubing over time.

Add the daily marine layer. Mornings in Huntington Harbour and other neighborhoods near the water are often damp and humid.

That moisture makes your AC work harder and wears on its parts.

The local climate also creates wide temperature swings. Coastal mornings can be cool while inland afternoons get hot.

Your HVAC system runs through every weather pattern Southern California sends.

Without regular care, that coastal wear adds up, and equipment near the beach can need repairs or replacement sooner than it should.

Common myths cost homeowners money. Two big ones to skip:

“Newer units don’t need maintenance.” False. Even new systems lose efficiency without yearly tune-ups.
“All HVAC contractors are the same.” False. Coastal HVAC requires specific training and parts knowledge.

The right contractor saves you money long term. The wrong one costs you your equipment.

How to Choose the Right HVAC Service Provider

Choosing reliable HVAC service in Huntington Beach takes a few smart steps.

Start with the basics. Verify the contractor holds a current California C-20 HVAC license. Check it through the California Contractors State License Board.

Next, ask about coastal experience. Any local pro should know how salt air affects condenser coils.

They should recommend protective coatings or stainless steel hardware.

Look for these signs of a quality HVAC company:

Trained, licensed technicians who know modern systems
Written estimates before any work begins
Local references from Huntington Beach customers
Clear communication about when they can come out and what happens next
Manufacturer-approved parts instead of generic substitutes

Pricing matters too. A good contractor explains the problem and gives you a clear price before any work starts, so you can decide without pressure.

Ask what a tune-up includes versus a full maintenance visit, and how repair and replacement quotes are put together.

Regular maintenance is the smart middle ground. Catching wear early is almost always cheaper than waiting for a breakdown.

Indoor air quality also matters in coastal homes.

Salt and sand particles enter through windows and doors. Standard filters miss the smallest particles.

A pleated MERV 11 filter or HEPA-grade air cleaner makes a big difference for allergy-prone families.

Quality contractors should offer indoor air quality assessments alongside HVAC service.

Skipping maintenance feels like savings at first. But small problems that go unchecked can turn into bigger, more expensive repairs.

Thomson AC offers full coverage for Huntington Beach homes. Visit our HVAC maintenance in Huntington Beach page to see what we cover.

We carry parts for every major brand. Our technicians know how to spot coastal corrosion early.

That saves you money on premature replacements.

We also offer maintenance plans for homeowners who want regular care on the calendar.

Need service? Call us or Text us at 201-3014 and we’ll get you on the schedule.

A solid maintenance visit covers the basics most homeowners skip.

The technician cleans condenser coils, checks refrigerant pressure, tests electrical connections, and lubricates motor bearings.

They also test airflow at every register and inspect the condensate drain for clogs.

Each step helps your system run better and last longer.

Skip maintenance, and efficiency slowly slips. That gap shows up in your monthly bill.

Heating Season HVAC Service in Huntington Beach

Huntington Beach winters are mild, but the nights still get cold, especially near the water when the marine layer rolls in. Most furnaces here sit unused from spring to fall. The first time you turn the heat on, dust has built up and small problems haven’t shown themselves yet.

Furnace repair. If your furnace won’t light, shuts off after a few minutes, blows cold air or makes a new noise, we’ll find the cause and explain it before any work starts. You get a clear price up front, and you decide. Learn more on our furnace repair page.

Heater tune-up ($99). A tune-up is a quick, inspection-based visit. We check that your furnace starts and runs safely, look for obvious problems and change your filter. It’s a good fit if your system is fairly new and running well.

Maintenance visit ($159). A maintenance visit goes further. We do a detailed, component-by-component inspection and, for heating season, flush the drain line and clean the flame sensor. A dirty flame sensor is one of the most common reasons a furnace lights and then shuts off. See what’s included on our HVAC maintenance in Huntington Beach page.

Not sure which one you need? Tell us your system’s age and how it’s been running, and we’ll give you a straight answer. For everything we do in winter, visit our heating services page.

Call us or Text us at 201-3014 for service or a Free Estimate. Financing is available through Goodleap.

Get Huntington Beach HVAC Help When You Need It

Reliable HVAC service in Huntington Beach comes down to three things.

The right contractor, regular maintenance, and quick action when problems start.

Coastal homes face conditions inland HVAC units never see. Salt air, marine humidity, and wide temperature swings stress your system.

The fix? Work with a contractor who understands the local environment. Schedule yearly tune-ups. Address small issues before they grow.

Thomson AC handles HVAC service across Huntington Beach, Sunset Beach, and Huntington Harbour.

Our technicians know the area, the climate, and what your system needs.

Call us at (562) 201-3014 or Text us to schedule service. Or use Free Estimate to book online. Your comfort matters, and we’re ready to help.

FAQ

How do I choose reliable HVAC service in Huntington Beach?

Start with a current California C-20 HVAC license (check CSLB). Ask about coastal experience with salt air and marine humidity, and look for clear maintenance plans and honest options.

Why do Huntington Beach homes need specialized HVAC care?

Salt air accelerates corrosion on outdoor equipment, and marine humidity plus temperature swings stress systems. Coastal-specific care helps equipment last longer.

What areas does Thomson AC cover for HVAC service?

Thomson AC handles HVAC service across Huntington Beach, Sunset Beach, and Huntington Harbour. Call us or text us at (562) 201-3014, or use Free Estimate.

What’s the difference between a heater tune-up and a maintenance visit?

A tune-up ($99) is a quick, inspection-based visit with a filter change. A maintenance visit ($159) adds a detailed component-by-component inspection, and for heating season a drain line flush and flame sensor cleaning.

Do you repair furnaces in Huntington Beach?

Yes. We diagnose and repair furnaces throughout Huntington Beach and nearby cities, and we explain the problem and the price before any work starts. Call us or text us at 201-3014.

Heater Tune-Up & Maintenance in Huntington Beach

Posted May 5, 2026 by Daniel Midson-Short & filed under Air Conditioning, Air Conditioning Services, HVAC.

Thomson AC / Huntington Beach

Get your heater ready before the first cold night

Most Huntington Beach heaters sit unused all summer. Fall is a good time to have us look at yours, and at your air conditioning too.

We offer two different visits: a quick tune-up and a full maintenance visit. Here’s how they compare, so you can pick the one that fits your home.

Schedule a Visit Call us (562) 201-3014 Text us

▶ Watch video: Furnace maintenance with Glen

Tune-up vs. maintenance visit

Two visits, two levels of detail

Tune-up

$99

A quick, inspection-based visit.

A quick inspection of your system
A filter change

Book a Tune-Up Call us (562) 201-3014 Text us

Maintenance visit

$159

A much more detailed inspection of each component of your system.

A detailed, component-by-component inspection
Condensate drain line flush
Flame sensor cleaning for heating season
Photos and short videos of what we find

Book a Maintenance Visit Call us (562) 201-3014 Text us

Not sure which one you need? Call or text us and tell us about your system. We’ll help you choose.

Have more than one system in your home? Ask about multi-system discounts.

▶ Watch video: HVAC drain line explained

Heating and cooling

What a maintenance visit covers

Heating, as it applies to your system: burners, ignition and safety controls, the heat exchanger or heating elements, the flue and venting, flame sensor cleaning, the gas valve, temperature rise and airflow.

Cooling, as it applies to your system: the air filter, condensate drain line flush, indoor and outdoor coils, refrigerant pressures and operating readings, electrical controls, fan components and visible equipment condition.

Whole system: thermostat, blower assembly, airflow, wiring and connections, unusual noise or odor, and system operation.

Not every task applies to every system, so we confirm the scope for your equipment before we start.

▶ Watch video: White buildup on your AC condenser

▶ Watch video: Smelly furnace at first startup?

Signs your heater needs service

A burning smell that doesn’t fade after the first run of the season
The heater clicks or tries to start but won’t stay on
It turns on and off more often than it used to
Some rooms stay cold, or the airflow feels weak
New banging, squealing or rattling noises

If your carbon monoxide alarm goes off or you smell gas, leave the house and call 911 and your gas company from outside.

Schedule a Visit Call us (562) 201-3014 Text us

A Thomson technician reviewing photos of the system with a homeowner

Every maintenance visit is documented

Listen.
We start with your comfort concerns, thermostat settings and anything you’ve noticed.
Inspect.
We go through the heating and cooling components that apply to your system.
Document.
We take photos and short videos of equipment condition, readings and anything that needs attention.
Explain.
We review what we found in plain English before you decide on any additional work.

▶ Watch video: How we document maintenance visits

▶ Watch video: 3 reasons HVAC maintenance saves you money

Residential maintenance plan

Keep maintenance on the calendar

Our residential maintenance plan keeps your heating and cooling maintenance on a regular schedule, and we reach out to help arrange your visits so they don’t get forgotten.

Priority scheduling for plan members
Repair discounts
Certain plans include credits toward a future system replacement
More than one system? Ask about multi-system discounts.

Benefits and terms vary by plan. We explain what’s included before you enroll.

See the Maintenance Plan Call us (562) 201-3014 Text us

A Thomson technician inspecting a home furnace

Tune-up and maintenance questions

What’s the difference between a tune-up and a maintenance visit?

A tune-up is a quick, inspection-based visit with a filter change. A maintenance visit goes further: a much more detailed inspection of each component of your system, plus a condensate drain line flush and, for heating season, a flame sensor cleaning.

Which one should I book?

Call or text us at (562) 201-3014 and tell us about your system. We’ll help you choose between a tune-up and a maintenance visit.

Do you service both heating and air conditioning?

Yes. We cover the heating and cooling equipment that applies to your home, including furnaces, air conditioners and heat pumps. Not every task applies to every system, so we confirm the scope for your equipment.

Will I see what you found?

Yes. On maintenance visits we use photos and short videos to show equipment condition, readings and anything that needs attention, and we explain our findings in plain English before any additional work.

How much does a heater tune-up or maintenance visit cost?

A tune-up is $99 and a maintenance visit is $159. Call or text us at (562) 201-3014 and we’ll help you choose the right visit for your system. If your home has more than one system, ask about multi-system discounts.

Do you have a maintenance plan?

Yes. Our residential maintenance plan keeps heating and cooling maintenance on the calendar. Plan members receive priority scheduling and repair discounts, and certain plans include credits toward a future system replacement. Benefits and terms vary by plan, and we explain what’s included before you enroll.

My heater smells like burning when I first turn it on. Is that normal?

A short burning-dust smell the first time a heater runs after summer is common. If it doesn’t fade quickly, or it smells electrical or like gas, turn the system off and call us.

Do you serve my area?

Yes. We serve Huntington Beach, Seal Beach, Newport Beach and nearby coastal Orange County communities. Call us or text us at (562) 201-3014.

A Thomson technician beside the company service van

Book your fall visit

We take care of heating and cooling systems in Huntington Beach, Seal Beach, Newport Beach and nearby coastal Orange County communities. Need a repair or replacement quote instead? Ask for a Free Estimate.

Get a Free Estimate Call us (562) 201-3014 Text us

5 Dangers of Do-It-Yourself HVAC Repairs

Posted April 13, 2026 by Grant Meagher & filed under AC Repair.

Your AC quit on the hottest day of the year. You’re sweating. The house feels like a sauna. And that YouTube tutorial makes the fix look easy and cheap.

So you grab a wrench and get to work.

Here’s the problem. HVAC systems aren’t like a leaky faucet or a squeaky door hinge. They connect to your home’s electrical wiring, gas lines, and refrigerant circuits. One wrong move doesn’t just break the unit. It puts your family at risk.

If you’re a homeowner in Seal Beach or Huntington Beach, you’ve considered handling an HVAC repair yourself. It’s a natural instinct.

In this article, we’ll walk through why that shortcut backfires, and how to get the job done right.

What DIY HVAC Repair Actually Looks Like

Most DIY repairs start with a Google search. You type in the symptom, watch a video, and hope for the best.

But here’s what that approach misses. HVAC systems have dozens of interconnected components. A symptom like “no cold air” has a dozen possible causes. Failed compressor. Refrigerant leak. Blown capacitor. Clogged evaporator coil.

Without professional diagnostic tools, you’re guessing. And guessing leads to replacing parts that aren’t broken. That wastes money and leaves the real problem untouched.

According to the U.S. Bureau of Labor Statistics, HVAC technicians undergo years of specialized training. There are over 425,000 HVAC professionals employed across the country for a reason. This work requires hands-on expertise that a 10-minute video can’t replace.

The Safety Risks Are Real

This isn’t about scare tactics. It’s about physics.

HVAC systems carry high-voltage electrical connections. Mishandling wiring can cause electrical shock, burns, or house fires. Your air conditioner’s compressor alone runs on 240 volts of power.

Then there’s the gas side. If your home has a gas furnace, an improper repair can cause a gas leak. Gas leaks lead to carbon monoxide exposure, which is colorless and odorless. You won’t know it’s there until it’s too late.

The EPA’s indoor air quality guidelines flag carbon monoxide as one of the most dangerous household pollutants. Every year, accidental CO poisoning sends thousands of Americans to the emergency room.

And there’s the refrigerant factor. Modern AC units contain refrigerants that require EPA-certified handling. Venting refrigerant into the atmosphere is a federal violation. It also exposes you to chemical burns and frostbite.

A trained HVAC technician knows how to handle these hazards safely. They carry the right equipment, follow safety protocols, and understand how your system’s components interact.

Your HVAC Warranty Is On the Line

Here’s a detail most homeowners overlook. Your HVAC manufacturer’s warranty almost certainly requires professional service.

The moment you open up your AC unit or furnace yourself, you risk voiding the warranty. And HVAC systems aren’t cheap to replace.

According to Angi, a full HVAC system replacement costs between $5,000 and $10,000 on average. If your warranty is voided because of a DIY repair gone wrong, that entire cost falls on you.

Most HVAC warranties last five to ten years. Keeping yours valid is one of the easiest ways to protect your investment. All it takes is having a licensed professional handle the work.

DIY ‘Savings’ Often Cost More

The whole point of a DIY repair is saving money. But the math rarely works out.

Here’s what typically happens:

You might buy the wrong part. Without proper diagnostics, you replace a capacitor when the real issue is a refrigerant leak. That’s money wasted.
You could damage something else. Bending a coil fin, cracking a drain pan, or shorting a circuit board happens fast. Now you’ve got two problems instead of one.
It costs more for a professional to fix. Now the technician has to fix the original issue plus the damage from the DIY attempt. The bill doubles.

A standard HVAC repair from a professional costs $100 to $600 on average. Compare that to the cost of a compounded repair bill after a failed DIY job, and the “savings” disappear fast.

Your System’s Lifespan Depends on Proper Repairs

An HVAC system is a long-term investment. With proper maintenance and professional repairs, a quality AC unit or furnace lasts 15 to 20 years.

But improper repairs shorten that lifespan dramatically. Poorly sealed ductwork causes air leaks, forcing your system to work harder and driving up your energy bills. Incorrectly installed components create wear patterns that lead to early breakdowns.

The EPA’s ENERGY STAR program estimates that heating and cooling account for nearly half of a typical home’s energy use. When your system runs inefficiently because of a botched repair, you feel it every month in your utility bill.

Professional repairs keep your system running at peak efficiency. That means lower energy costs, fewer breakdowns, and more years of reliable comfort.

What a Professional HVAC Repair Actually Includes

A licensed HVAC technician doesn’t just swap parts and hope for the best. Here’s what a professional visit looks like:

Full system diagnostic using specialized equipment to pinpoint the exact failure point
Safety inspection of all electrical connections, gas lines, and refrigerant levels
Proper repair documentation that keeps your manufacturer warranty intact
Performance testing after the repair to confirm your system runs efficiently

The whole process protects your equipment, your wallet, and your family. It also gives you a paper trail if warranty claims come up later.

For Seal Beach and Huntington Beach homeowners, Southern California’s coastal humidity puts extra stress on HVAC systems. Salt air corrodes outdoor condenser coils faster than in inland areas. A professional technician spots that corrosion early, before it turns into a compressor failure.

Can I Repair My HVAC Unit Myself, or Should I Hire a Professional?

Hire a professional. HVAC systems involve high-voltage wiring, refrigerant lines, and gas connections that require licensed expertise to repair safely.

A wrong diagnosis wastes your time and money on parts you don’t need. A wrong repair puts your home at risk of electrical fires, gas leaks, or carbon monoxide exposure. And a DIY fix almost always voids your AC system manufacturer’s warranty.

The small upfront cost of a professional visit protects you from a much bigger bill down the road.

Can I Repair My Furnace Myself, or Should I Call a Professional?

Always call a professional for furnace repairs. Furnaces connect directly to your home’s gas supply and electrical system, making DIY work especially dangerous.

A cracked heat exchanger leaks carbon monoxide. A misaligned burner creates a fire hazard. These aren’t problems you’ll spot without proper diagnostic equipment.

Licensed HVAC technicians test gas pressure, inspect heat exchangers, and verify safe combustion levels during every furnace repair. That level of inspection keeps your family safe through every Seal Beach and Huntington Beach winter.

Can I Replace an AC Condenser Myself or Should I Call a Professional?

Call a professional for AC condenser replacement. Condenser units handle high-pressure refrigerant and high-voltage electrical connections that demand certified training.

Refrigerant handling alone requires EPA Section 608 certification. Without it, you’re breaking federal law. Beyond the legal issue, improper refrigerant charging ruins compressor performance and shortens your system’s lifespan.

A licensed technician sizes the replacement correctly, charges the refrigerant to manufacturer specs, and confirms airflow across the entire system. That precision keeps your AC running efficiently through long Southern California summers.

Can I Replace My AC Filters Myself?

Yes, replacing your AC filters is a safe and simple DIY task. It’s one of the best things you can do for your HVAC system between professional visits.

Most homes use standard 1-inch or 4-inch filters that slide in and out without tools. Check your filter every 30 days, especially during heavy-use months in Seal Beach and Huntington Beach.

A clean filter improves airflow, lowers your energy bill, and reduces strain on your AC unit’s blower motor. Swap your filter every 60 to 90 days for the best results. If you have pets or allergies, change it monthly.

This one simple habit extends your system’s life and keeps your indoor air quality high between professional HVAC maintenance visits.

The Smart Way To Handle HVAC Repairs at Home

Is your AC unit or furnace acting up in Seal Beach or Huntington Beach? Skip the DIY gamble and trust our team to take care of it for you.

Thomson Air Conditioning has been serving Southern California homeowners since 2005. Their licensed technicians arrive with the training, tools, and diagnostic equipment to find the real problem and fix it correctly.

Your comfort and your family’s safety are worth the call.

Call Thomson Air Conditioning today at (562) 373-2386 or click here to schedule your service.

How to Prepare Your Seal Beach AC System for Summer

Posted March 13, 2026 by Daniel Midson-Short & filed under Air Conditioning Services, HVAC.

Turning your thermostat to cool on the first hot day should feel incredibly refreshing. Instead, you might feel warm, stale air pushing through your supply vents. This unexpected blast of heat creates instant panic for your entire family.

Your comfortable living room quickly turns into a very sweaty sauna. You suddenly worry that your entire outdoor condenser unit is totally broken.

The main cause of this frustrating problem is ignoring basic preventative maintenance during the winter. Dust and heavy debris build up rapidly on your indoor evaporator coil. Dirt also clogs the delicate aluminum fins on your outdoor condenser unit.

What happens if you keep ignoring this problem?

A dirty AC system overworks your dual-stage compressor until it completely fails. This leads to massive emergency repair bills during the peak summer heat. Nobody wants to pay premium weekend rates for an emergency service call.

In this article, we will explore how to solve this issue. We will also show you how to find expert help if you need it.

Understanding Why Your Central Cooling Equipment Struggles

Why does your central air conditioner struggle so much in the spring?

Over the cold winter months, your outdoor heat pump or condenser sits unused. During this long downtime, salty ocean air and dirt pack into the outdoor unit. Inside your home, dust settles heavily on your indoor blower motor assembly.

A very common misconception is that your equipment is ready to run instantly. Homeowners think that because it worked perfectly last summer, it is fine today. This is simply not true.

Skipping a basic tune-up forces your dual-stage compressor to work much harder. It struggles to push R-410A refrigerant through dirty copper refrigerant lines. This extra mechanical strain creates dangerous heat inside the compressor motor.

What does this mean for your monthly budget?

According to a 2024 update by the U.S. Department of Energy, unmaintained systems waste massive amounts of energy. They can use up to twenty percent more electricity overall. This wasted energy drives up your monthly utility bills drastically.

You can find more recent energy-efficiency data on Energy Star.

Regular Seal Beach AC maintenance is proven to extend the lifespan of your heavy equipment. It is the absolute best way to protect your financial investment.

The Impact of Salty Coastal Air on Your System

Living near the ocean in Seal Beach is absolutely beautiful. However, the salty coastal air is very tough on heavy mechanical equipment.

Salt spray accelerates the corrosion of sensitive copper refrigerant lines. It also eats away at the delicate aluminum fins on your outdoor unit. This rapid corrosion severely reduces the overall lifespan of your central air conditioner.

Routine Seal Beach AC maintenance includes rinsing away this harmful salt buildup. A skilled technician will apply protective coatings to exposed electrical connections.

This vital step prevents sudden electrical shorts during heavy summer rainstorms. Protecting your outdoor equipment from coastal elements saves you massive replacement costs.

Smart Solutions for Reliable Summer Cooling

There are several great ways to prepare your central air conditioner right now. These steps ensure reliable summer cooling for your entire family.

The absolute best solution is scheduling a professional cooling tune-up every single spring.

What exactly is involved in this professional process? A skilled technician will inspect every moving mechanical part of your central cooling equipment.

Here is a detailed list of what a professional tune-up includes:

Cleaning the delicate aluminum fins on your outdoor condenser unit restores airflow.
Measuring the exact R-410A refrigerant levels to ensure maximum cooling capacity.
Testing the dual run capacitor to prevent sudden starting failures on hot days.
Clearing the PVC condensate drain line to prevent massive indoor water leaks.
Inspect the indoor evaporator coil for restrictive dust and pet hair buildup.
Tightening electrical contactor switches to prevent dangerous voltage drops.

This professional service requires a small financial investment from you upfront. It usually costs between $100 and $200 for a thorough inspection. However, it saves you hundreds of dollars in future summer utility bills.

It also helps you avoid highly expensive emergency compressor replacements. The entire inspection process takes our skilled team just about one hour.

You can easily explore our professional HVAC repair and maintenance services online easily.

DIY Checklist Items for Peak Cooling Performance

What else can you do to prepare your home for the summer heat?

Another simple task is changing your indoor air filter yourself. You should always use a high-quality pleated MERV 8 air filter. A clean air filter allows cold air to flow freely into your bedrooms.

This costs very little money, usually under twenty dollars per filter. It only takes about five minutes of your personal time to complete.

You can easily check out our preventative maintenance plans for more helpful tips. These customized plans help maximize your long-term home energy savings.

You should also clear all overgrown vegetation away from your outdoor condensing unit. Plants and bushes restrict the essential airflow to the condenser fan motor. You need to leave at least two feet of clear space around the entire unit.

This allows the fan motor to exhaust the hot air efficiently.

You should also check the batteries in your smart digital thermostat. Dead thermostat batteries are a very common cause of sudden system failures. Replacing them early prevents a frustrating service call on a hot weekend.

You should also inspect the outdoor pipe insulation on your copper refrigerant lines. The harsh sun often dry-rots the black foam insulation over time. Missing insulation causes your system to lose massive amounts of cooling capacity.

Replacing this cheap foam insulation takes just ten minutes of your time. It is a highly effective way to lower your monthly cooling bills.

Checking Your Ductwork for Maximum Efficiency

Have you thought about the hidden ductwork in your attic?

Your central air conditioner relies entirely on clean, sealed ductwork. Leaky supply ducts waste perfectly good cold air into your hot attic space. This forces your outdoor condensing unit to run much longer cycles.

Longer running cycles put unnecessary strain on your internal blower motor. The blower motor has to spin faster to compensate for the lost air pressure.

You can visually inspect any exposed ductwork for obvious holes or disconnected joints. Sealing these gaps with professional mastic tape improves your indoor comfort instantly. It also stops dirty attic air from entering your clean living spaces.

This simple step drastically improves your overall indoor air quality.

The Hidden Costs of Skipping Spring Maintenance

Why do so many homeowners skip this vital spring maintenance step? Many people simply forget about their air conditioning until the first heatwave hits.

Waiting until summer arrives is a very expensive mistake. When the temperature spikes, local repair companies get booked up for weeks. You might have to wait several days for a technician to arrive.

During that waiting period, your home becomes unbearably hot and sticky. Sleeping at night becomes completely impossible without cold air flowing through the vents.

Emergency weekend service calls also cost significantly more than a scheduled spring tune-up. Proactive planning is the secret to saving money and avoiding major headaches.

Ignoring maintenance also voids your original manufacturer warranty. Factory warranties require proof of annual maintenance to cover expensive internal parts.

Routine Seal Beach HVAC maintenance keeps your warranty fully intact and valid.

Enjoy a Perfectly Cool Home All Summer Long

Dealing with a completely broken central air conditioner in Seal Beach is incredibly stressful. Nobody wants to sweat inside their own living room during a heatwave.

You can solve this frustrating problem easily with a proactive spring maintenance visit. This simple choice keeps your entire home perfectly cool despite the weather outside.

It actively protects your expensive dual-stage compressor from failing prematurely. It also keeps your monthly summer utility bills as low as possible.

Help is available for Seal Beach residents by reaching out to the Thomson AC team for help. We want to ensure your family enjoys a perfectly comfortable summer season. We will help you avoid any sudden mechanical breakdowns this year.

Call us directly at (562) 620-4454 to book your expert maintenance visit. You can also easily schedule your appointment via our contact page.

3 Reasons HVAC Maintenance Saves You Money

Posted February 4, 2026 by josh & filed under HVAC.

Most homeowners follow a set it and forget it philosophy when it comes to their home HVAC systems.

This attitude is understandable as the AC unit is hidden from view for most people, and also not something they can maintain or clean themselves.

As long as cool air is coming out of the vents in July and warm air in January, the AC system remains out of sight and out of mind.

However, an HVAC system is a complex unit. The machinery is usually the most expensive appliance in your home, and a lack of AC maintenance is usually a recipe for financial and physical discomfort.

In this article, we will look at three benefits of HVAC maintenance service and how it can save you money over the long term.

What is HVAC Maintenance?

At its core, HVAC maintenance is a comprehensive wellness exam for your home’s climate control system. Think of it as the equivalent of a 30,000-mile service for a car or truck.

Most homeowners are only familiar with their HVAC system through the thermostat. However, the HVAC unit itself is a sophisticated network of electrical, mechanical, and chemical processes.

For this reason, air conditioning maintenance is the scheduled practice of inspecting, cleaning, and tuning these components to ensure they operate according to the manufacturer’s original specifications.

Having regular HVAC service on your system means you move from reactive to proactive, and you can identify wear and tear before it results in a total system shutdown.

This process involves a professional HVAC technician restoring the system to its peak state and keeping the balance of airflow and heat exchange to protect both your financial investment and your daily comfort.

What does HVAC Maintenance include?

A professional HVAC maintenance visit (sometimes called an HVAC tune up) is far more intensive than a simple filter change; it is a multi-point inspection that covers every critical subsystem.

The process typically begins with the mechanical and electrical components. Technicians measure the “amp draw” of the motors and test capacitors, which are the “batteries” that jumpstart your compressor. They also tighten electrical terminals that may have vibrated loose, preventing potential short circuits or fire hazards.

Next, the focus shifts to hygiene and airflow. This includes a deep cleaning of the evaporator and condenser coils, which are often caked in pollen, dust, or dirt.

The HVAC technician will also inspect the blower fan for balance and clear the condensate drain line of algae buildup to prevent water damage to your home. Finally, the technician performs a performance analysis.

Three Reasons Why HVAC Maintenance is Important

Regular HVAC maintenance isn’t just a “nice to have”—it directly affects your energy bills, system reliability, and the air you breathe every day.

By understanding the mechanics of how your system degrades over time, you can transition from reactive repairs to proactive care.

Here are three reasons HVAC Maintenance saves you money and solves problems before they happen.

1. Maximizing Energy Efficiency

The primary goal of your HVAC system is to transfer heat. In the summer, it moves heat from inside your home to the outside; in the winter, the process is reversed (generated via combustion).

For this heat exchange to happen efficiently, the system relies on clean surfaces and unobstructed airflow.

As your system operates, it pulls in ambient air. Over time, microscopic dust, pet dander, and debris begin to coat the evaporator and condenser coils. Even a thin layer of dust acts as an insulator, preventing the refrigerant inside the coils from effectively absorbing or releasing heat.

When either the evaporator coil or condenser coil is dirty, the system has to run longer to reach your desired thermostat setting.

This issue is known as ‘short cycling’ or extended run times, both of which spike your kilowatt-hour usage and hence your energy bill. On top of this, blower wheels weighted down by grime require more torque to spin, pulling more electricity while moving less air.

When you neglect HVAC maintenance, you are essentially paying for a machine that isn’t doing the job it was designed to do. Industry data suggests that a neglected HVAC system can lose up to 5% to 15% efficiency every year.

In a standard household, that translates to hundreds of dollars in wasted energy annually, and can also lead to emergency service at some stage.

2. Preventing Costly Breakdowns

Have you noticed that your AC unit will fail on the hottest day of the year, and your furnace will quit during a record-breaking blizzard?

This isn’t just bad luck; it’s because extreme weather puts the highest load on your system, causing weakened components to break.

Identifying the Potential HVAC Repair Problems Early

Routine AC maintenance is essentially a diagnostic physical for your home. A technician looks for the small issues that can eventually lead to a need for HVAC repair:

Clogged Drain Lines: Air conditioners pull moisture from the air. This water collects in a condensate pan and flows out a drain line. If this line clogs with algae or sediment, the water backs up, leading to flooded floorboards, mold growth, or a system-wide safety shutoff.
Worn Mechanical Components: Capacitors, contactors, and fan belts have finite lifespans. An air conditioner technician can test a capacitor’s microfarads to see if it’s within range.
Electrical Connections: HVAC units vibrate. Over months of operation, electrical connections can loosen, leading to “pitting” or electrical fires. Tightening these connections ensures the system remains safe and operational.

3. Indoor Air Quality: Breathing Better Every Day

We spend roughly 90% of our lives indoors. Because modern homes are built to be airtight for energy efficiency, the air inside is often 2 to 5 times more polluted than the air outside. Your HVAC system is responsible for the quality of air that your family is breathing.

While changing your 1-inch pleated filter is a great start, it isn’t a cure-all. Filters are primarily designed to protect the equipment, not necessarily the humans.

However, when an HVAC system is poorly maintained, the internal cabinet can become a breeding ground for biological growth.

Humidity Control: A well-maintained system properly dehumidifies your home. If the system is sluggish or the coils are dirty, humidity levels rise, which encourages dust mites and mold spores to thrive.
Allergen Reduction: During a maintenance visit, a technician cleans the blower housing and ensures that the ductwork isn’t pulling in “unconditioned” air from dusty attics or damp crawlspaces due to leaks.
Carbon Monoxide Safety: For gas furnaces, maintenance includes checking the heat exchanger for cracks. A cracked heat exchanger can leak deadly carbon monoxide into your living space—a risk that makes annual inspections a literal matter of life and death.

The Benefits of HVAC Maintenance Service

Investing in a preventative maintenance plan or a biannual check-up (once for cooling, once for heating) provides a compounding return on investment.

Feature	Without Maintenance	With Regular Maintenance
Monthly Bills	Tend to climb 5–10% annually	Remain stable and optimized
System Lifespan	10–12 years	15–20 years
Repair Costs	High (Emergency rates)	Low (Proactive replacements)
Air Quality	High dust, potential mold	Filtered, clean, and balanced

HVAC Maintenance Helps Protect Your Investment

Your HVAC system is a complex symphony of pressurized refrigerant, high-voltage electricity, and high-speed mechanical movement.

Expecting it to perform flawlessly for a decade without a tune-up or inspection is like expecting a car to run for 100,000 miles without an oil change. This neglect is what leads to costly repairs when you least expect them.

Preventative maintenance helps your AC unit and heating system to reduce energy consumption, prevent unexpected breakdowns, and improve indoor air quality.

HVAC system maintenance transforms your HVAC system from a source of anxiety and expense into a reliable tool for comfort. If you want your system to run efficiently, last longer, and keep your home a sanctuary, regular maintenance is the only way forward.

Orange County HVAC Maintenance Service Done Right

Need HVAC maintenance service in Orange County? Thomson AC are specialists in Southern California HVAC repair, maintenance, and installation. We help homeowners throughout Huntington Beach, Newport Coast, Irvine, Anaheim, and everywhere in between. Contact us today to see how we can help with your HVAC maintenance service.