Best HVAC Companies in Sunnyvale, CA (2026)
Looking for a trusted hvac company in Sunnyvale, CA? We've compiled 12 verified hvac service providers in the Sunnyvale area. Average rating: 5.0 stars across 278 customer reviews. Compare hvac companies, read real reviews, and get free quotes from local pros.
1055 Manet Dr, Sunnyvale, CA 94087, USA
“Great HVAC contractor that offers installation services. They did a great job installing the new system in my house. The group worked together with great decoru...”
1159 Sonora Ct, Sunnyvale, CA 94086, USA
“We are very pleased with the HVAC services provided by United. They come to help immediately and offers professional advice based on assessed situations. Specia...”
848 W Evelyn Ave suite A, Sunnyvale, CA 94086, USA
“When our heating system started acting up, it was a major hassle, but they treated our situation like a priority. They gave us a clear, reasonable estimate befo...”
917 Quercus Ct, Sunnyvale, CA 94086, USA
“From now on, I will recommend them to friends and acquaintances! Jim coordinated everything, chose the optimal time and performed the service without haste, bu...”
“During the cold snap, I needed emergency heating repair. The technician arrived quickly and found the issue with the igniter. They got it fixed in no time, and ...”
“We have been so pleased over the years with Eugene's expertise regarding any kind of appliance repair. He just knows how to fix things, and he is so conscientio...”
“The technician from ClearVent HVAC Solutions did a great job. He worked efficiently and kept everything clean. The repair was completed without delay. Everythin...”
100 S Murphy Ave Suite 200, Sunnyvale, CA 94086, USA
“We've been using The HVAC network for years now for marketing and customer service. They are doing a great job for us!”
10130 Parkwood Dr Apt 7, Cupertino, CA 95014, USA
“Jim at Ampereca is fantastic! We've used him twice to come out and fix our subzero refrigerator. He's very knowledgeable, explains everything, does a thorough...”
“Excellent and quality-oriented work on a tricky job. Removed old hydronic (water based) heating system and replaced with a modern heat pump. David got a license...”
1385 La Bella Ave, Sunnyvale, CA 94087, USA
“Frank has been great for us, always there when ever a cooler goes down in either our Belmont fine wine & spirits or Menlo Park fine wine & spirits. Great servic...”
What Sunnyvale Customers Say About Local HVAC Pros
“Great HVAC contractor that offers installation services. They did a great job installing the new system in my house. The group worked together with great decorum and efficiency. Th...”
“This HVAC professional built a new system in our house beautifully. The squad was well-organized and talented. They clarified our alternatives and guided our selection. Installatio...”
“We are very pleased with the HVAC services provided by United. They come to help immediately and offers professional advice based on assessed situations. Special shout out to techn...”
“United HVAC & Plumbing’s technicians were professional and good communicators. They came when scheduled and diagnosed our plumbing issues quickly and thoroughly. The team worked qu...”
HVAC Services Available in Sunnyvale, CA
Local hvac companies in Sunnyvaleoffer 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 Sunnyvale
Finding a reliable hvac company in Sunnyvale, 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 Sunnyvale with consistently high ratings (4+ stars) and detailed reviews from real customers.
- Get multiple quotes — Compare at least 2–3 hvac companies in Sunnyvale 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 — Sunnyvale is known for major tech hub with mid-century eichler homes and newer townhouse developments. Choose a hvac company familiar with local property types and conditions.
Frequently Asked Questions About HVAC in Sunnyvale
How much does AC repair cost in Sunnyvale?
How quickly can you come for an AC emergency?
How much does a new AC cost in Sunnyvale?
What SMUD rebates are available for AC replacement?
Are heat pumps worth it in Sunnyvale?
How much do heat pumps save on energy bills?
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