At 1st Class Heat and Air, we are true to our name and are dedicated to providing a first class experience when it comes to air conditioner and heating services and repairs. Our expertise is second to none, making us Sunnyvale’s premiere choice for any and all servicing needs. Whether your issues are routine or more complex, we can handle it all. Our technicians are thoroughly trained to service all makes and models of air conditioner and heating equipment and perform all facets of maintenance, ranging from simple AC and heating check-ups to more substantive tasks, including:

  • Heat Pump, Compressor, Air Handler, and Thermostat Installations and Repairs
  • Blown in Cellulose Insulation and Fiberglass Attic Insulation
  • Evaporator Coil Cleaning and Freon Charges

Whatever your issue, we have the tools at our disposal to resolve it. We recognize that faulty or damaged equipment can have a profoundly negative impact on a household’s general comfort and well-being. For that reason, we are available seven days a week and perform evening and weekend repairs and replacements to make certain your discomfort is as fleeting as possible. We pride ourselves on our commitment to our customers and are regarded as a preeminent AC and heating provider in the Sunnyvale area. Give us an opportunity to address your needs or concerns, and you’ll understand why.

Angie's List Super Service Award Winner
Our customers are important to us.  We earned the Angie's List Super Service Award.  It is our goal to do the right job and earn your approval and referral.
Our Customer Lobby Reviews
We work hard to earn your positive reviews.  We understand that if you are happy, you will call us back and also tell your neighbors and friends.
1st Class Heat and Air is a member of the Better Business Bureau
1st Class Heat and Air is a member of the BBB.  We work hard to earn satisfied customers.  You can count on our company to stand behind our work.