Best HVAC Companies in Walnut Creek, CA (2026)
Looking for a trusted hvac company in Walnut Creek, CA? We've compiled 13 verified hvac service providers in the Walnut Creek area. Average rating: 5.0 stars across 241 customer reviews. Compare hvac companies, read real reviews, and get free quotes from local pros.
“Commenting on building- super cool! Can’t tell what’s on windows ? Drive my quickly - and had to look to see what the business was. Love the building design!”
1990 N California Blvd Fl 8 , Ste 875, Walnut Creek, CA 94596, USA
“ATC did an amazing job getting my furnace up and running on a same day call when it was very cold outside and my heater wasnt working. They were very responsive...”
411 N Buchanan Cir Unit 11, Pacheco, CA 94553, USA
“I have used GB Heating & Air on two of my properties in Lafayette, one in the Happy Valley area of Lafayette and the second near Acalanes high school. Overall, ...”
1850 Mt Diablo Blvd #475, Walnut Creek, CA 94596, USA
“I hired this company to clean the air ducts in a rental property, and the experience was excellent. They coordinated the appointment professionally, arrived on ...”
1990 N California Blvd Ste 20, Walnut Creek, CA 94596, USA
“This AC company went above and beyond to ensure our system was working perfectly. They explained everything and were very efficient. Great experience!”
“I had Eco Performance Builders install a ducted heat pump, attic sealing and insulation, and a heat pump water heater at my house last year. I found the experie...”
1500 Newell Ave, Walnut Creek, CA 94596, USA
“My experience with Finest Heating & Air was amazing! They offered a free consultation and explained all my options for replacing my old heater. The installation...”
1275 Boulevard Way, Walnut Creek, CA 94595, USA
1280 Boulevard Way Ste 310, Walnut Creek, CA 94595, USA
“Great customer service, very helpful in explaining the components needed and working to identify the best fit for our home. Installation took 2 days (1 day shor...”
“Great experience! The team at Fuse are true pros; quick service, excellent communication, and strong support throughout the process. Eugene was especially profe...”
“Clean excellent work👍🏻delivered with great efficiency. They are experts in their field. I will be recommending them to my friend Special shout out to Ben👍🏻”
2100 Monument Blvd #11, Pleasant Hill, CA 94523, USA
“I am very much pleased by the customer service offered by One hour team that helped greatly in scheduling for the diagnostics for my AC unit and also to help wi...”
1777 Oakland Blvd, Walnut Creek, CA 94596, USA
What Walnut Creek Customers Say About Local HVAC Pros
“Commenting on building- super cool! Can’t tell what’s on windows ? Drive my quickly - and had to look to see what the business was. Love the building design!”
“Very professional company great atmosphere..”
“ATC did an amazing job getting my furnace up and running on a same day call when it was very cold outside and my heater wasnt working. They were very responsive, professional and c...”
“ATC Mechanical did an excellent job installing my new heat pump. I had the compressor location changed from one end of the house to the other and Stiliyan made sure I was getting w...”
HVAC Services Available in Walnut Creek, CA
Local hvac companies in Walnut Creekoffer a range of services. Here's what you can expect:
Fast AC repair to beat the Sacramento heat
New AC installation with up to $3,000 in SMUD rebates
Energy-efficient heat pumps with $3,000+ in rebates
Same-day furnace repair to keep your home warm
New furnace installation with financing available
Annual tune-ups to prevent breakdowns and save money
Duct repair, sealing, and installation for better comfort
Ductless heating and cooling for any room
Smart thermostat installation for comfort and savings
Breathe cleaner air with filtration and purification
How to Choose a HVAC Company in Walnut Creek
Finding a reliable hvac company in Walnut Creek, CA doesn't have to be stressful. Here are the key things to look for when hiring a hvac service provider:
- Check licensing and insurance — California requires hvac companies to carry proper insurance. Verify their credentials before hiring.
- Read customer reviews — Look for hvac services in Walnut Creek with consistently high ratings (4+ stars) and detailed reviews from real customers.
- Get multiple quotes — Compare at least 2–3 hvac companies in Walnut Creek to ensure fair pricing. Be wary of quotes significantly below market rate.
- Ask about guarantees — Reputable hvac companies stand behind their work with satisfaction guarantees or warranties.
- Local expertise matters — Walnut Creek is known for upscale suburb with mid-century to modern homes and condos. Choose a hvac company familiar with local property types and conditions.
Frequently Asked Questions About HVAC in Walnut Creek
How much does AC repair cost in Walnut Creek?
How quickly can you come for an AC emergency?
How much does a new AC cost in Walnut Creek?
What SMUD rebates are available for AC replacement?
Are heat pumps worth it in Walnut Creek?
How much do heat pumps save on energy bills?
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