❄️ Official Rankings
10 Best HVAC in Walnut Creek, CA (October 2026)
We compared 10 hvac serving Walnut Creek and Contra Costa County, California, and ranked the top providers by verified reviews, ratings, and local reputation — 3,111 customer reviews in all.
The 10 listed below hold an average rating of 5.0 out of 5, led by Chill Heating and Cooling. Updated for October 2026.
- HVAC ranked
- 10
- Average rating
- 5.0★
- Reviews analyzed
- 3,111
- Area code
- 925
⭐ 5.0 · 498 reviews
11 Cll Este, Walnut Creek, CA 94597
⭐ 5.0 · 170 reviews
2939 Santos Ln, Walnut Creek, CA 94597
⭐ 4.9 · 1290 reviews
4415 Cowell Rd, Concord, CA 94518
⭐ 4.9 · 583 reviews
904 Mossbridge Ct, Pleasant Hill, CA 94523
⭐ 4.8 · 415 reviews
3301 Vincent Rd, Pleasant Hill, CA 94523
⭐ 5.0 · 30 reviews
1511 2nd Ave, Walnut Creek, CA 94597
⭐ 5.0 · 25 reviews
1280 Boulevard Way Ste 310, Walnut Creek, CA 94595
HVAC listed here serve Walnut Creek, Contra Costa County, and nearby ZIP codes including 94595, 94596, 94597, 94598.