Reliable Heating & Cooling for All San Diego Homes
If you’re looking for HVAC service in San Diego, CA, Pacific Heating & Air Conditioning is your trusted local expert. For more than 17 years, we’ve been helping families across San Diego stay cool during the summer heat and warm during chilly coastal nights.
We provide AC repair, furnace repair, HVAC installation, heat pump service, and maintenance, with same-day service available in most areas. Whether you’re downtown, along the coast, or in the inland communities, our certified HVAC technicians deliver fast, affordable, and professional service you can count on.
Our team proudly serves all San Diego zip codes, including 92101, 92102, 92103, 92104, 92105, 92106, 92107, 92108, 92109, 92110, 92111, 92113, 92115, 92116, 92117, 92119, 92120, 92122, 92123, 92124, 92126, 92128, 92129, 92130, 92131, 92154, 92173, and more.
Why San Diego Homeowners Choose Us
17+ years of heating & cooling experience
Licensed, certified HVAC technicians
Honest, upfront pricing
Same-day service available
5-star Google-rated company
Family-owned, serving all of San Diego County
We service ALL major HVAC brands
Financing options available
We are the HVAC company San Diego trusts for comfort, safety, and reliable results.
Air Conditioning Services in San Diego
San Diego may be known for its coastal breeze and sunshine, but when the summer heat spikes inland or during Santa Ana conditions, you need your AC system working perfectly.
We offer full-service cooling solutions:
AC Repair in San Diego, CA
Common AC problems we fix:
- Low refrigerant
- Compressor failure
- Frozen evaporator coils
- Thermostat issues
- Blower motor failure
- Electrical failures
- Blocked drain lines
If your AC is blowing warm air, leaking, freezing, making noise, or not keeping up, we can diagnose and repair the issue fast.
AC Installation & Replacement
If your system is old, inefficient, or breaking down, upgrading to a modern high-efficiency AC will improve comfort and lower energy bills.
We install systems perfect for:
- Coastal humidity
- Inland heat
- Multi-story homes
- Condos & townhomes
- Older San Diego homes
We help you choose the right size and model based on your home’s airflow, square footage, and San Diego’s weather patterns.
San Diego homeowners benefit from yearly AC tune-ups before hot weather arrives. Prevent breakdowns and extend your system’s lifespan.
Our tune-up includes:
- Refrigerant check
- Coil cleaning
- Electrical inspection
- Thermostat calibration
- Drain line cleaning
- Airflow testing
No matter the issue, we’ll restore your cool comfort quickly and affordably.
Heating & Furnace Services in San Diego
Furnace Installation & Replacement
We install:
- Gas furnaces
- Electric furnaces
- Heat pumps
- Ductless heating systems
Our installations come with strong warranties and professional craftsmanship.
Furnace Repair in San Diego, CA
- No heat
- Low airflow
- Strange noises
- Electrical smell
- System not turning on
- Short-cycling
- Gas furnace ignition issues
We fix all furnace & heater issues:
We repair all major brands.
A furnace tune-up ensures safe, reliable operation throughout the season.
We inspect:
- Heat exchangers
- Burners
- Gas pressure
- Electrical controls
- Safety components
- Duct airflow
This service helps prevent breakdowns and carbon monoxide issues.
We Offer:
- Heat pump repair
- Heat pump installation
- Heat pump maintenance
- Mini-split systems (perfect for add-on rooms, garages, ADUs, and older homes without ducting)
If your heat pump is running constantly, not heating, or not cooling — we can fix it.
- Whole-home air purifiers
- HEPA filters
- UV germicidal systems
- Humidity control
- Duct sealing
- Duct cleaning
- Fresh air ventilation systems
- Rooftop units
- Split systems
- Ductwork
- Maintenance plans
- Repairs and full replacements
Businesses trust us for fast response times and reliable HVAC performance.
Areas We Serve in San Diego, CA
Central San Diego
- Downtown San Diego
- Hillcrest
- North Park
- South Park
- Mission Hills
- University Heights
- City Heights
Coastal Areas
- Ocean Beach
- Pacific Beach
- Point Loma
- Mission Beach
- La Jolla
Inland Communities
- Mira Mesa
- Scripps Ranch
- Clairemont
- Kearny Mesa
- Serra Mesa
- Linda Vista
- Allied Gardens
- Del Cerro
- Grantville
- San Carlos
Northern San Diego
- Carmel Valley
- Torrey Hills
- Rancho Peñasquitos
- Rancho Bernardo
- Sorrento Valley
Southern San Diego
- San Ysidro
- Otay Mesa
- Nestor
- Imperial Beach (adjacent)
And all nearby areas.
FAQ — HVAC Services in La Mesa, CA
Yes — we provide same-day AC and furnace repair throughout the county.
Absolutely. We handle HVAC systems affected by humidity, salt air, and tight spaces.
Carrier, Lennox, Goodman, Trane, American Standard, York, Bryant, Rheem, and more.
Yes — we have flexible financing options for all budgets.
Schedule HVAC Service in San Diego, CA
We’re here to keep your home comfortable, 24 hours a day.
Fast, friendly, and reliable — trusted across San Diego since 2008.