Licensed · Fairfield
Licensed & Insured HVAC Companies in Fairfield, CA
Every hvac companies listed here carries proper licensing and insurance in CA. Protect yourself — always verify credentials before work begins.
As of May 2026, RatingsNearMe ranks 11 hvac companies in Fairfield, CA by verified customer ratings and review volume. The highest-rated is Same Day Heating, Cooling, Plumbing with a 4.9-star rating from 591 verified reviews. Also in the top tier: Dooley's Heating and Air and US Air Conditioning Distributors. The average rating across all listed hvac companies in Fairfield is 4.9 stars from 72 reviews per business on average.
HVAC service in Fairfield: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
11
Businesses listed
4.9★
Avg rating
72
Avg reviews
May 17, 2026
Last updated
Top Rated HVAC Companies
Same Day Heating, Cooling, Plumbing
200 American Way, Windsor, CA 95492, USA
Dooley's Heating and Air
1435A N Texas St, Fairfield, CA 94533, USA
US Air Conditioning Distributors
815 Chadbourne Rd #110, Fairfield, CA 94534, USA
HVAC Companies Rankings in Fairfield, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Same Day Heating, Cooling, Plumbing200 American Way, Windsor, CA 95492, USA | 4.9★ | 591 |
| #2 | Dooley's Heating and Air1435A N Texas St, Fairfield, CA 94533, USA | 4.9★ | 66 |
| #3 | US Air Conditioning Distributors815 Chadbourne Rd #110, Fairfield, CA 94534, USA | 4.9★ | 27 |
| #4 | North Bay Air Systems Inc.1070 Horizon Dr STE M, Fairfield, CA 94533, USA | 5.0★ | 20 |
| #5 | Fairfield Heating & Air Conditioning709 Jackson St, Fairfield, CA 94533, USA | 4.6★ | 9 |
| #6 | Mckinley HVAC Contractor Fairfield1605 San Diego St, Fairfield, CA 94533, USA | 5.0★ | 20 |
| #7 | AirFlow HVAC Experts613 E Travis Blvd, Fairfield, CA 94533, USA | 4.9★ | 23 |
| #8 | A-1 COMFORT HEATING AND AIR280 Woolner Ct, Fairfield, CA 94533, USA | 5.0★ | 4 |
| #9 | Kazen Custom Heating & Air1076 Horizon Dr STE 15, Fairfield, CA 94533, USA | 4.6★ | 11 |
| #10 | Golden State Comfort SystemsCapitola Way, Fairfield, CA 94534, USA | 5.0★ | 19 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All HVAC Companies in Fairfield
North Bay Air Systems Inc.
1070 Horizon Dr STE M, Fairfield, CA 94533, USA
Fairfield Heating & Air Conditioning
709 Jackson St, Fairfield, CA 94533, USA
Mckinley HVAC Contractor Fairfield
1605 San Diego St, Fairfield, CA 94533, USA
AirFlow HVAC Experts
613 E Travis Blvd, Fairfield, CA 94533, USA
A-1 COMFORT HEATING AND AIR
280 Woolner Ct, Fairfield, CA 94533, USA
Kazen Custom Heating & Air
1076 Horizon Dr STE 15, Fairfield, CA 94533, USA
Golden State Comfort Systems
Capitola Way, Fairfield, CA 94534, USA
CM Mechanical Heating & Air Conditioning
1704 Carswell Ln, Suisun City, CA 94585, USA
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Frequently Asked Questions — HVAC Companies in Fairfield
How do I find the best hvac companies in Fairfield?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Fairfield on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Fairfield licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CA requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Fairfield, CA?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Fairfield?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: May 17, 2026.
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