Get matched with top heating and air conditioning pros in Sunol, CA

"Great. They contacted me right away. It wasn't an emergency but Iti was cold, so they still came first thing on the first business day. The technician explained what he was doing and why the prior repair done by somebody else probably failed. The rate was reasonable. It's been a couple of days and it seems the furnace is working, so everything good so far."

"Smart Heating and Air Conditioning was very responsive and came out when we really needed them. We were without heat as our old furnace no longer worked and our AC was on its last leg. Mike came out to give us a quote which was the best out of three that we had. He went over all options with us and now we are very satisfied to have a new and efficient heating and AC system. They lived up to their name as well, by upgrading my thermostat to a WiFi one that added that SMART touch to my system."

"Air Sharks are very professional and I think they did a good job on installing HP HVAC in our property."

"Reasonable cost for good quality furnace installation."

"Tony and Josh arrived when they said they would, stayed the full day, performed an extensive service including specialized equipment and techniques, taking every needed care, leaving the system better than when it was first installed. VERY professional at all times and pleasant people."

Galaxy Heating & Air Conditioning is a locally owned HVAC company proudly serving homeowners and businesses across the San Francisco Bay Area. We specialize in energy-efficient heating and cooling installations, heat pumps, furnace replacements, ductless systems, and indoor air quality upgrades. As authorized dealers for leading brands like Mitsubishi, American Standard, Carrier, Lennox, and Rheem, we deliver expert craftsmanship backed by manufacturer warranties.\n\nOur certified technicians handle every project with professionalism, from design and permits to testing and safety inspections, ensuring each system is code-compliant and built to last. Whether you need a seasonal tune-up, emergency repair, or complete comfort system upgrade, Galaxy provides honest service, transparent pricing, and dependable results.\n\nServing Pleasant Hill, Concord, Walnut Creek, Danville, Alamo, Oakland, Berkeley, Lafayette, Moraga, and nearby cities.

"These guys are just excellent! I made a few mistakes before I got lucky to find New Millennium HVAC. They were professional from the beginning to the end. Jose did a thorough job, cleaning the dryer vent. It was not a straightforward issue and I was afraid that we’d have to open the wall to cure the blockage. However, Jose was able to fix it. He’s an experienced professional excellent at his job, trustworthy and overall great to deal with. I’m a happy customer for years now and will rely on these guys for any HVAC related issues."

Giant HVAC is a locally owned and operated heating and air conditioning company based in Fremont, CA, proudly serving the Bay Area. With over 20 years of hands on experience, we specialize in HVAC system replacements, air conditioning installations, furnace upgrades, ductwork, and zoning systems. \n \nWe focus on doing things the right way with clean installations, properly designed systems, and honest recommendations tailored to your home and budget. No pressure and no shortcuts. \n \nWe are licensed, bonded, and insured, and we handle everything from start to finish including permits, HERS testing, and final inspections. \n \nWhether you are upgrading to a high efficiency system, adding air conditioning, or looking for better comfort throughout your home, we take pride in delivering reliable and long term solutions. \n \nGiant HVAC built on comfort, honesty, and quality workmanship.

"Provided specific quotes and gave recommendations about replacing my original duct work that I decided to also replace. Where efficient and work was completed timely and they where neat and clean. Also informed of us before something was moved to access an area in the garage or outside."

"Victor did a great job repairing our aging HVAC system. I highly recommend him and Chill—very fast service."