Serving Alameda, Contra Costa, Marin Counties and Beyond!
commerical hvac el cerrito

You depend on your heating and cooling systems for the comfort of your customers and your employees. We can help you lower your energy costs and avoid inconvenient breakdowns with maintenance agreements designed to keep your equipment in top working order.

We know that when your heating or cooling system is down – you need it fixed fast! You can depend on Hassler Heating and Air Conditioning for emergency service and replacements.

  • Leasing programs available
  • Customizable maintenance agreements
  • System replacements
  • Emergency service
  • UV air purification
  • High efficiency filtration

Contact Hassler today to learn how our experienced team can help you lower your energy costs.

Contact Hassler today for commercial HVAC projects


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Receive a $499 value for only $100 with this limited time offer


Carrier 2015 President’s Award

Carrier 2015 President’s Award
Friday, April 24, 2015

Congratulations to Team Hassler for winning this year’s President’s Award through Carrier Corporation. It is an honor to receive this award and we are all very proud of what we have accomplished.

Nate Hassler Heating
angie's list super service award 2016
2017 Carrier Presidents Award Hassler Heating
hassler, california, ca
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BBB Accredited
diamond certified Hassler Heating
Carrier Factory Authorized Dealer