Trusted Costa Mesa AC Company
If you live in Costa Mesa and need AC help, you’ll want a company you can trust. At Thomson Air Conditioning, we’re that company. Whether your air conditioner is acting up or you’re thinking about a new system, we show up with honesty, experience, and respect for your home.
What We Offer in Costa Mesa
- AC Repair
Strange noises? No cold air? We’ll figure out what’s wrong and fix it fast. - New AC Installations
When your current unit can’t keep up, we install brands and systems that work reliably—without overpromising. - Maintenance & Tune‑Ups
Regular check‑ups keep your system running smoother, longer, and prevent breakdowns when you least expect them. - Ductless & Mini‑Split Systems
Want to cool only certain rooms or don’t have ducts? These are quiet, efficient, and great for precise comfort. - Heating Service
Even in SoCal, cold nights happen. We repair, maintain, and install heating systems too—including heat pumps and furnaces. - Indoor Air Quality
Filters, purifiers, ventilation—if the air inside feels stuffy or dusty, we have solutions to clean it up.
Why Costa Mesa Chooses Thomson
- Local know‑how. Our technicians know this area’s climate, homes, and what breaks first.
- Honest, up‑front pricing. No surprise fees, no “bait and switch.”
- Friendly, certified technicians who explain things clearly.
- Fast response. When your AC goes down, we don’t make you wait forever.
- Warranty & financing options. Get protection and flexible payment help.
Signs You Need AC Service
- Rooms don’t get cool enough
- Higher energy bills for no clear reason
- Loud or unusual sounds from the unit
- System running constantly but not keeping up
- Musty smell near vents or odd odors
If you notice any of that, it’s worth giving us a call before things get worse.
Areas We Serve Around Costa Mesa
We cover Costa Mesa and nearby neighborhoods, including but not limited to Newport Beach, Irvine, Huntington Beach, Seal Beach, and Tustin. Wherever you’re located in the area, we’ll get there.
Call Us for a Free Quote
Need AC repair, installation, or just want to check your system? Call Thomson Air Conditioning now for a free quote. We’ll treat you like a neighbor.
