San Diego Air Conditioning Repair, Installation & Service
Don't sweat the San Diego heat. THA Heating, Air & Plumbing delivers fast, licensed AC service, transparent upfront pricing, and 24/7 emergency response.
Book AC Service / Estimate
A licensed technician will call you back right away.
Air Conditioning Services for San Diego Homes & Businesses
From emergency repairs in Pacific Beach to high-efficiency heat pump installations in Chula Vista, our skilled technicians handle every cooling challenge with precision.
Emergency AC Repair
Fast troubleshooting for units blowing warm air, strange noises, frozen coils, or faulty capacitors. 24/7 dispatch across San Diego.
AC System Installation & Replacement
High-efficiency cooling systems from Carrier, Bryant, and Trane custom-sized for maximum energy savings in your San Diego home or office.
Ductless Mini-Split Systems
Zoned cooling without ductwork, ideal for older San Diego coastal homes, room additions, guest houses, and modern energy conservation.
Comprehensive AC Tune-Up
Multi-point inspection, refrigerant pressure check, electrical tightening, and coil cleaning to prevent costly mid-summer breakdowns.
Commercial AC Maintenance
Keep customers and staff comfortable with commercial rooftop package units, server room chillers, and scheduled maintenance contracts.
Thermostats & Air Quality
Smart Wi-Fi thermostats, whole-home dehumidifiers, and advanced MERV filtration for pristine indoor air quality year-round.
Certified Techs, Prompt Arrival
Our service vans carry factory replacement parts for fast, single-visit repairs.
Beat the Coastal Heat with Reliable, Energy-Efficient Cooling
San Diego microclimates mean coastal fog can turn into 90° inland heat in minutes. Whether you live in Del Mar, Rancho Santa Fe, or downtown San Diego, we optimize your air conditioning system for high efficiency and lower electric bills.
Upfront, Honest Pricing
No surprise charges. You approve the quote before any work begins.
Flexible GreenSky® Financing
Upgrade to a brand-new high SEER2 Carrier or Bryant system with low monthly payments.
24/7 Emergency AC Dispatch
AC fail on a warm weekend? We answer your call 24 hours a day, 365 days a year.