puppy walking up stairs

Find solutions to the inconsistent temperatures in your Marin, Contra Costa, or Alameda County home and stay comfortable all year round with home performance services from Hassler!

home energy audit

Learn about the benefits of a home energy assessment and why it's worth scheduling one with Hassler Heating and AC. Get recommendations for improvements that will result in long-term benefits like lower energy costs, consistent temperatures, and healthier indoor air quality.

person fixing a heat pump

Go with the pros and get the most out of your HVAC replacement with Hassler Heating and Air Conditioning in the Bay Area.

heat pump head illustration

Improve the performance of your Marin County home with a high-efficiency AC from Hassler and enjoy lower heating & cooling costs along with these other benefits.

featured image of the video "questions answered about heat pumps"

Get answers to the most common questions homeowners have about heat pumps and their home comfort. Hassler Heating and AC offer heat pump and ductless mini-split installation, repair, and maintenance throughout Contra Costa, Alameda, and Marin counties. Watch the video here.

man fixing his heat pump

Caring for your AC should include air filter replacement, clearing out the area around your compressor, checking your condensate drain line, and inspecting your vents and ductwork. For a complete check-up of your HVAC system, schedule a spring AC tune-up with Hassler Heating and AC.

man replacing an air conditioner

Learn why spring is the time to replace your AC unit for optimal efficiency and comfort. Hassler Heating and AC recommends replacing your system in the spring to beat the summer rush and save on energy costs.

someone using a calculator

Learn how you can save money when upgrading your home with new heat pumps, water heaters, and more with tax credits equal to a percentage of the associated costs. Maximize your tax savings and improve your home's energy efficiency with comprehensive solutions from Hassler.

Carbon monoxide alarm for rooms heated by furnaces

Aging and broken furnaces are prone to carbon monoxide leaks that could be harmful to your health. Are you in need of a furnace replacement? Call Hassler Heating in Alameda County.

space heater on the floor of a living room

Stay safe and warm this winter with our expert tips on the dangers of space heaters. Learn why they can be a fire hazard and how to properly use them. Hassler Heating and AC is the heating and cooling professional in the East Bay area.


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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