❄️ Official Rankings
10 Best HVAC in Los Altos, CA (September 2026)
We compared 10 hvac serving Los Altos and Santa Clara County, California, and ranked the top providers by verified reviews, ratings, and local reputation — 1,210 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Nur HVAC. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,210
- Area codes
- 650, 408
TRIO Heating, Air & Plumbing
⭐ 4.9 · 206 reviews
209 California Ave, Palo Alto, CA 94306
Your Appliance, Refrigeration & HVAC repair
⭐ 5.0 · 66 reviews
1872 Latham St, Mountain View, CA 94041
Monteros Heating and Air
⭐ 4.9 · 94 reviews
809 Cuesta Dr, Mountain View, CA 94040
Smart Los Altos Air Duct Care
⭐ 4.8 · 102 reviews
881 Fremont Ave #426, Los Altos, CA 94024
Sunrise Air Duct Service
⭐ 4.8 · 56 reviews
146 Main St Suite 47, Los Altos, CA 94022
Mountain View Heat & Air Conditioning
⭐ 5.0 · 20 reviews
143 E El Camino Real, Mountain View, CA 94040
Restart HVAC
⭐ 4.7 · 72 reviews
555 W Middlefield Rd P106, Mountain View, CA 94043
HVAC listed here serve Los Altos, Santa Clara County, and nearby ZIP codes including 94022, 94023, 94024.