Updated October 2026 · Our Recommended Top 17
Our goal is to connect people with the best local professionals. We scored Fairfield hvac companies on more than 25 variables across five categories and analyzed the results to give you a hand-picked list of the best.
= Featured Provider
Best HVAC Company matching for Fairfield
Not sure which hvac company to call? Tell us the job. We check the shortlist above against your timeline and budget and connect you with the right one, free.
Mon–Fri 6am–4pm PT · Operated by BaaDigi
Best HVAC Companies Serving Fairfield
902 Davis St, Vacaville, CA 95687
Review sources · Google 4.9 (1,704)
Best HVAC Companies Serving Fairfield
379 Pepperdine Ct, Fairfield, CA 94534
Review sources · Google 5.0 (93)
Review sources · Google 5.0 (60)
Review sources · Google 4.8 (66)
Review sources · Google 5.0 (25)
Best HVAC Companies Serving Fairfield
1070 Horizon Dr Ste M, Fairfield, CA 94533
Review sources · Google 5.0 (25)
Review sources · Google 5.0 (21)
Best HVAC Companies Serving Fairfield
815 Chadbourne Rd #110, Fairfield, CA 94534
Review sources · Google 4.9 (27)
Review sources · Google 5.0 (5)
Best HVAC Companies Serving Fairfield
1076 Horizon Dr Ste 15, Fairfield, CA 94533
Review sources · Google 4.6 (11)
Best HVAC Companies Serving Fairfield
4229 Lozano Ln Unit H, Fairfield, CA 94533
Review sources · Google 5.0 (3)
Review sources · Google 5.0 (23)
Best HVAC Companies Serving Fairfield
5055 Business Center Dr, Fairfield, CA 94534
Review sources · Google 5.0 (2)
Best HVAC Companies Serving Fairfield
1652 W Texas St Ste 164, Fairfield, CA 94533
Review sources · Google 4.4 (13)
Best HVAC Companies Serving Fairfield
1605 San Diego St, Fairfield, CA 94533
Review sources · Google 5.0 (10)
Review sources · Google 5.0 (4)
Review sources · Google 3.7 (7)
We pull every hvac company we can find serving Fairfield, then score each on five things: availability and service area, licensing and credentials, reputation across review sites, experience, and how they handle a real phone call. Only the top scorers make the list. Featured Providers pay for placement and are labeled; scores are never for sale.
Yes. Call or send the form and we match you with a hvac company from this list at no cost. Featured Providers may pay RatingsMatch for placement, which is why they are labeled.
Listings are earned, not bought. Claim your business at https://www.ratingsmatch.com/claim to correct details and add services. Featured placement is a separate paid option that never changes a rating.