Best Commercial HVAC Contractors in San Diego, CA
Compare 20 commercial HVAC companies serving San Diego, CA carrying a combined 8,367 Google reviews at an average of 4.9 stars. Local crews service Rooftop Unit (RTU), Split System, VRF / VRV System, Heat Pump, and more. Request free quotes and hire the right contractor for your building.
Commercial HVAC Contractors in San Diego
View allGuthrie & Sons Heating, Air and Solar
San Diego, CA
Guthrie & Sons — San Diego commercial HVAC since 2005. NATE-certified techs, 4.9★ (1,578 reviews), maintenance plans, fr...
Bob Jenson
San Diego, CA
Bob Jenson serves San Diego since 1977 with AC, heating, duct cleaning & plumbing. 4.9★ (1,445 reviews), 24/7 emergency...
Carini Home Services
San Diego, CA
Carini Home Services | San Diego HVAC contractor, family-owned since 2006, Mitsubishi Elite Diamond, 4.8★ (1,064 reviews...
Friar's Plumbing Heating and AC Repair
San Diego, CA
Veteran- & family-owned HVAC contractor in San Diego, CA. 40+ yrs experience, 4.9★ (650 reviews), 25-mile service radius...
Ez Breezy Heating & Air
San Diego, CA
Ez Breezy Heating & Air | San Diego HVAC contractor — 5-star rated, 24/7 service, Trane & Mitsubishi dealer, licensed fo...
Action Air Conditioning & Heating
San Diego, CA
Action Air Conditioning & Heating — San Diego HVAC contractor, 45+ years, NATE-certified, 4.9/5 (389 reviews), 24/7 emer...
Stable Temp HVAC
San Diego, CA
Stable Temp HVAC — San Diego commercial HVAC, 4.9/5 (360 reviews), EPA certified, package A/C, ductless, kitchen exhaust...
A/C Mechanical Sol Inc
San Diego, CA
San Diego commercial HVAC contractor since 2008. 4.9/5 (264 reviews). Serves property managers within 25 miles. Free est...
Air Temperature Specialists
San Diego, CA
El Cajon-based commercial HVAC & plumbing contractor serving all of San Diego & Riverside Counties, 24/7. 4.9 stars acro...
Smith & Sons Heating and Air Inc.
San Diego, CA
Smith & Sons Heating and Air Inc. — San Diego HVAC contractor, 5/5 stars, same-day installs, price match guarantee, serv...
Progressive Heating & Air
San Diego, CA
Progressive Heating & Air — San Diego's Bryant Factory Authorized HVAC contractor. Diagnostic-first service, 24/7 emerge...
Flite Mechanical Heating & Air Professionals
San Diego, CA
Flite Mechanical | Spring Valley, CA | 5/5 (234 reviews) | Commercial RTUs, VRF, splits & more across San Diego's 25-mil...
All Brands Air Conditioning & Heating Repair
San Diego, CA
Chula Vista commercial HVAC contractor — 40+ yrs serving San Diego, 4.9/5 rating, RTUs, VRF, split systems, same-day ser...
Comfort Air Conditioning & Heating
San Diego, CA
San Diego light commercial HVAC — 5-star rated, 162 reviews, free quotes, same-day service. Covers Poway, Escondido, Chu...
Big City Air Conditioning, Heating, and Appliance Repair
San Diego, CA
Big City Air Conditioning, Heating & Appliance Repair — San Diego HVAC repair, installation & maintenance. 4.3★ (155 rev...
Surf Bros HVAC
San Diego, CA
Surf Bros HVAC — San Diego commercial HVAC contractor with a 5/5 rating, servicing mini-splits, heat pumps, furnaces & m...
Legacy Home Energy
San Diego, CA
Legacy Home Energy | El Cajon, CA | NATE-certified HVAC, solar & roofing across San Diego County. 5-star rated, family-o...
Atlas HVAC, INC
San Diego, CA
Atlas HVAC, Inc. — San Diego's 4.8-star rated HVAC contractor (License #955327). Free quotes, Bryant systems, financing,...
Reliable Standard Heating & Air
San Diego, CA
San Diego commercial HVAC contractor with 25+ years serving offices, strip malls & gov buildings. 5-star rated, independ...
SpeedMates Home Services
San Diego, CA
SpeedMates Home Services: San Diego commercial HVAC & appliance repair, same-day availability, OEM parts, 3–12 month war...
Commercial HVAC Services Available in San Diego
Why Choose My HVAC Tech in San Diego?
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Every contractor listed works on commercial buildings — RTUs, chillers, VRF — not residential.
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Frequently Asked Questions — Commercial HVAC in San Diego
How many commercial HVAC contractors are in San Diego, CA?
My HVAC Tech lists 20 commercial HVAC contractors serving San Diego, CA, with a combined 8,367 Google reviews averaging 4.9 stars.
How much does commercial HVAC service cost in San Diego?
Commercial HVAC costs in San Diego depend on the system type and scope of work. Routine service calls typically run $150–$400. Preventive maintenance contracts for a single rooftop unit average $200–$500/year. Full system replacements range from $8,000 for small packaged units to $100,000+ for large chiller plants.
How do I find a reliable commercial HVAC contractor in San Diego, CA?
Start by verifying the contractor holds a current state license and carries adequate insurance. Check reviews from other commercial property managers on My HVAC Tech. Ask for references from similar properties (office, retail, industrial). Get at least three written quotes for any major project.
Do San Diego commercial HVAC contractors offer emergency service?
Yes, many commercial HVAC contractors in San Diego offer 24/7 emergency response. Response times vary — the best operators typically arrive within 2–4 hours for critical failures. Always confirm after-hours rates upfront, as emergency service typically carries a surcharge.
What's the best time of year to schedule HVAC maintenance in San Diego?
For cooling systems, schedule spring tune-ups in March–April before peak demand season. For heating systems, fall service in September–October ensures readiness. Scheduling preventive maintenance during off-peak periods gives you faster scheduling and sometimes lower rates.