Hilda G.
10/1/2025
David Burnett runs his business with integrity and offers a reliable, dependable and high quality service. He upgraded my house with a 90 percent efficiency system in my house, including the duct...
Grumpy's HVAC
Closed
(33)
Photos
493 Vine Ave
Sunnyvale, CA 94086
Grumpy's HVAC is a reliable heating, ventilation, and air conditioning contractor based in Sunnyvale, California, boasting over three decades of industry experience. The family-owned company provides comprehensive services, including AC and furnace repairs, replacements, and indoor air quality solutions, ensuring customers receive high-quality workmanship and exceptional customer service.
Dedicated to punctuality and practicality, Grumpy's HVAC takes pride in addressing a wide range of HVAC issues with a good attitude and expertise. The company emphasizes a strong commitment to its customers, offering benefits such as waived inspection fees with new purchases and personalized service to meet each client's unique needs.
Generated from the website
Reviews
5.033 reviews
Darren E.
7/19/2024
"Grumpy" is actually David, a seemingly nice man who blew off my first appointment and had to come back. He said he'd help me with my existing cooling system that uses Freon and then a few days...
Bill M.
8/16/2024
I had David install a heat pump for me last year, replacing 2 furnaces that had been added during remodels. It was a fairly crowded attic installation, but David did a fabulous job, was very...
M. K.
9/17/2024
Our AC unexpectedly stopped working, so I called David to take a look and to also give us a quote for a new AC if needed. He was prompt, professional, and courteous. He quickly diagnosed the...
Dave O.
5/14/2024
David was excellent to work with. I came to him needing a second opinion as another HVAC firm tried to push me to replace my unit claiming it needed a refrigerant that was not readily available....
See a problem?
You might also like
Partial Data by Infogroup (c) 2025. All rights reserved.