Serving Berkeley, Oakland, and Alameda, Contra Costa, and Marin Counties!

Hassler Heating and Air Conditioning service truck

Hassler Heating and Air Conditioning expert staff are always ready to provide a fast and efficient response to your heating and air conditioning needs in the following East Bay areas.

Alameda County: Alameda AlbanyBerkeleyEmeryvilleHaywardMontclairOaklandPiedmontRockridge,  San Leandro, Castro Valley

Contra Costa CountyAlamo, Blackhawk, Camino Tassajara, Canyon, Clyde, Concord, Crockett, Danville, Diablo, El Cerrito, El Sobrante, HerculesLafayetteKensington, Martinez, MoragaOrinda, Pacheco, PinolePleasant Hill, Port Chicago, Port Costa, RichmondRodeoSan RamonSan PabloWalnut Creek

Marin County: Belvedere, Corte Madera, Fairfax, LarkspurMill Valley, Novato, Ross, San Anselmo, San Rafael, Sausalito, Tiburon, Kentfield, Marin City


Want to know if we can provide service in your area?

Contact Hassler Today!


Schedule Service

Get Started!
Keep Everything Running Smoothly to Save You $$$ Down the Road
Convert both your gas furnace and gas water heater to a heat pump and heat pump water heater at the same time and get $2,500 for your old equipment.
Keep Your Home Healthy!
Home energy audit credited upon installation with Hassler
with Heat Pump or Heat Pump Water Heater Conversion
Apply for financing today!
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