❄️ Official Rankings
10 Best HVAC in Palo Alto, CA (September 2026)
We compared 10 hvac serving Palo Alto and Santa Clara County, California, and ranked the top providers by verified reviews, ratings, and local reputation — 890 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Fuse service. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 890
- Area code
- 650
TRIO Heating, Air & Plumbing
⭐ 4.9 · 206 reviews
209 California Ave, Palo Alto, CA 94306
Finest Heating & air
⭐ 4.9 · 90 reviews
2100 Geng Rd Suit 210, Palo Alto, CA 94303
Heise's Plumbing
⭐ 4.9 · 40 reviews
1717 Woodland Ave Unit #313, Palo Alto, CA 94303
H H Hydronics Inc
⭐ 4.8 · 16 reviews
2176 Dumbarton Ave, East Palo Alto, CA 94303
Trusted AC Repair Palo Alto
⭐ 5.0 · 9 reviews
534 Ramona St, Palo Alto, CA 94301
SmartHome Appliances & HVAC
⭐ 4.9 · 9 reviews
2100 Geng Rd, Regus Building Unit 210(Co-working Suite 233, Palo Alto, CA 94303
HVAC listed here serve Palo Alto, Santa Clara County, and nearby ZIP codes including 94301, 94302, 94303, 94304, 94306, 94307, 94308, 94309, 94310.