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

We can take care of your commercial HVAC project.

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!


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.

Diamond Certified logo
NATE logo
Neighborhood Favorite 2023 logo
Bayren Logo
Carrier logo