Hassler is committed to delivering safe and reliable service to our customers during this current COVID-19 shelter-in-place order, and we are currently open to serve our community's heating, cooling and home comfort needs!
Please click here to learn more.
Help reduce airborne viruses and other pathogens in the home.
Please contact us for more information at 510-848-3030 or using the form below.
Contact Hassler Today!
(510)848-3030

Receive a $499 value for only $100 with this limited time offer.
Reduce Your Home Energy Costs
Learn More About Heat Pump Water Heater and Tankless Hot Water Heater InstallationOur Services
-
Hassler specializes in cost-effective, energy efficient heating services, including furnace...
-
Want to achieve maximize indoor comfort, energy efficiency, and energy bill savings with your...
-
Are you suffering from allergy like symptoms in your own home? Hassler's indoor air quality team...
-
Looking for an energy audit company near you? An energy assessment from the team at Hassler will...
-
Preventive maintenance and fast repairs are essential if you want to get the most from your...
-
Just like your car, your heating and AC systems need regular maintenance and repairs to operate...
-
With features like smartphone control and custom temperatures for different times of the day, a...
-
An efficient water heater can have a major impact on home energy consumption, providing...
-
Heat pumps are a cost effective way to heat your home in the winter months — and they can cool...
-
Keep your employees comfortable, & your monthly heating and cooling expenses at a minimum...
-
Protect your home from outside contaminants, and uncomfortable temperatures when you seal up the...
-
Traditional water heaters use electricity or combustion to create the heat that is then...
Results
The latest from the Hassler Blog
Learn what makes mini splits well-suited for northern California's climate, and how investing in mini split installation now can save you money and future headaches. Hassler Home Services offers mini... Read more
Learn what makes indoor air more contaminated than the air outside, and how to make the air in your East Bay home healthier this winter. Hassler Heating specializes in improving indoor air quality in... Read more