Serving Berkeley, Oakland, and Alameda, Contra Costa, and Marin Counties!
light bulb with model house, home electricity concept

California is moving towards all electric homes—so what is the solution to keeping your East Bay home comfortable without fossil fuels? Learn how mini splits provide versatile heating and cooling, while using only a fraction of the energy of traditional heating and cooling systems. Hassler offers mini split installation throughout Alameda County and more.

hassler energy assessment infographic header

This handy visual guide will help you determine if you can benefit from an energy assessment and learning how your home is performing. Hassler offers professional energy assessments, also known as energy audits, throughout Marin, Contra Costa, and Alameda counties.

happy family at home together on couch

Learn what makes the air indoors more contaminated than the air outside, and how you can breathe healthier in your own home this year, especially as we all spend more time inside. Hassler offers a wide range of home air quality services including air sealing, air filter replacement, air purifier installation (including UV light), & more.

heat pump blowing air into living room

Learn what makes a heat pump an effective alternative to central air conditioning, and how a heat pump moves heat from one place to another to provide hot and cold air. Hassler Heating is the trusted heat pump installation contractor throughout Contra Costa and Marin Counties. Ask about heat pumps today.

summer comfort prep checklist hassler

Get your air conditioner ready for the summer temperatures by following this summer prep checklist. Schedule AC maintenance with Hassler Heating and Air before the big rush, and keep your cooling costs low throughout the hot months here in Contra Costa, Marin, and Alameda Counties.

natural gas burner on stove up close

Does Berkeley's ban on natural gas affect the appliances in your home? Learn how you can replace your natural gas or propane appliances with all electric heat pumps, mini splits, heat pump water heaters/dryers, and more. Hassler Heating & Air specializes in energy efficient, all electric appliance installation.

woman at home fanning herself, hot summer house

It isn't uncomfortably hot every day in the Bay Area, but each summer and in early fall has days when you really wish you had AC. Hassler Heating explains how air conditioning can ensure you never have to suffer through another heat wave, and how different AC options can keep you cool and lower your energy bill at the same time!

Model house back lit by electric light bulb, home electrification concept

Learn why California is asking homeowners to switch to all electric appliances, and how you can save up to $1,150 on your ductless mini split of heat pump water heater installation. Hassler specializes in helping homeowners throughout Berkeley and Marin County with their electrification.

marin county ca beach view

As the COVID-19 pandemic causes significant changes in our lives, we at Hassler Heating and Air Conditioning (Hassler) have implemented a new safety policy to maintain a safe and healthy environment for all team members, customers and the community at large.

5 Common Heating Issues header image

You depend on the furnace of your HVAC system to provide you with the heat you need all winter long. But before the winter temperatures arrive, the experts at Hassler recommend taking this transition period to fix any of the HVAC issues that are spiking your energy bills or undermining your overall home comfort.


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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