❄️ Official Rankings
10 Best HVAC in Fremont, CA (October 2026)
We compared 10 hvac serving Fremont and Alameda County, California, and ranked the top providers by verified reviews, ratings, and local reputation — 1,380 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by AIS Heating & Air Conditioning. Updated for October 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,380
- Area code
- 510
⭐ 4.9 · 838 reviews
4432 Enterprise St Ste a, Fremont, CA 94538
⭐ 5.0 · 42 reviews
43266 Christy St, Fremont, CA 94538
⭐ 4.8 · 71 reviews
43156 Brighton Common, Fremont, CA 94538
⭐ 5.0 · 22 reviews
39055 Hastings St, Fremont, CA 94538
⭐ 5.0 · 13 reviews
41111 Mission Blvd #105, Fremont, CA 94539
⭐ 4.7 · 30 reviews
4400 Enterprise Pl suit-a, Fremont, CA 94538
HVAC listed here serve Fremont, Alameda County, and nearby ZIP codes including 94536, 94537, 94538, 94539, 94555.