Finest Heating & Air
“They went above and beyond to do the very best job possible and left everything clean and in good order..”
Best HVAC Contractors near Palo Alto, CA
We have 4 companies in Palo Alto on file. Only the highest-rated make our list: 3 of them made it, along with 12 from towns including Mountain View (3, 4 mi), San Jose (3, 18 mi) and Fremont (2, 13 mi).
3 open 24/7 · 6 open weekends · 14 rated 4.5+ · 8 show a license
Data verified October 15, 2026
Hvac Oren's Services
“We got the estimate on the same day, and they were able to process the material and finish the installation in 3 days.”
Furnace Co
Quick Appliance Service
Degree Hvac
“Due to a cancellation, Degree was able to send a technician to my home the same day that I called.”
Bodnar Heating & Air Conditioning
“I was concerned that water may have damaged our furnace but they reported minor rust to date and no repairs to furnace required.”
The 15 companies listed for Palo Alto, CA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: Palo Alto, CA
14 of the 15 companies on this page have a rating, from 4.7 to 5.0 across 2,760 reviews; 12 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (95%), responsiveness (80%) and quality (79%). The topics that come up most in reviews of the companies on this page are "communication", "efficient" and "estimates". 3 are open around the clock; 5 are open on Saturdays and 6 on Sundays. The services the companies on this page list most often on their websites are air duct cleaning (2), ductwork services (2), furnace installation (2), rodent proofing (2) and thermostats (2). 8 show a license on their websites and 2 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 39 years. 4 offer emergency call-outs; 5 offer financing or payment plans; 7 give free estimates; 5 are family- or locally-owned and 7 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 13 publish a contact page; 9 list a public email and 4 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Why do some of these firms show another city?
3 of the 15 companies are based in Palo Alto; the others come from other towns within 20 mi. This trade drives to you, so a shop over the county line is normal. Ask whether your address carries a travel charge.
AIS Heating & Air Conditioning
“I was worried about the timing of the installation but Candus and even the owner, Daniel Sojkic pulled out all the stops to install before my daughter gave birth.”
Heating and Air Experts
“The technicians explained to me the issue and gave me options for short term and long term.”
Irbis Hvac Inc
“Brandon is very professional and quickly identified the issue and fixed it.”
Attic Star
“Similar to Ron, Sean was very efficient, clean, and thorough - prior to the start of the work they laid plastic coverings so my hard wood floors and furniture did not get scratched or dirty.”
Spark Appliance Repair
“They showed up and had a brand new (and LG brand, not off brand) pump ready.”
Fuse Hvac
“STAN made sure everything was disclosed on the repairs which made it easier when the installers came out, to make sure everything he suggested got done.”
All Bay Insulation & Hvac
“Unlike many other contractors who claimed to have "warranty" but later made all sorts of excuses of not taking the responsibility, All Bay does come back and stand for their work.”
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Air Concepts
“Luis is very helpful and able to fix the problem with our thermostat.”
Plum Hvac
“Sam is a great guy and Plum HVAC is very professional with cost effective and efficient execution and I highly recommend them.”
Why these companies made our list
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