Serving Alameda, Contra Costa, Marin, and Sonoma Counties!

AC System Inspections, Repairs, Replacements, & Installations

You Bay Area business depends on your heating and cooling systems for keeping your customers and employees comfortable. Our team at Hassler, can help you lower your high business energy costs and prevent the inconvenience of your AC units breaking down unexpectedly. With Hassler's maintenance agreements, your business can have the peace of mind knowing that your equipment is efficient and working properly. 

We understand it's of utmost importance to fix your heating and cooling units when they go down! You can depend on Hassler Heating and Air for emergency situations where you need rooftop HVAC unit service. 

  • Lease programs are available
  • Customize your maintenance agreement
  • System installations & inspections
  • Rooftop unit repairs and replacements
  • Emergency service
  • UV air purification
  • High energy efficiency filtration

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

Schedule a Rooftop AC Unit Inspection Today


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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.

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BayRen+ Home Rebate Program
BBB Accredited
diamond certified Hassler Heating
Nate Hassler Heating
angie's list super service award 2016
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