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Energy Upgrade California
Hassler offers services in retrofitting older homes with new and more energy efficient heating...
With excessively hot temperatures during the summer months, having an air conditioning system...
Poor indoor air quality (IAQ) impacts your health and can make you sick or uncomfortable...
A home energy assessment is a diagnostic test that evaluates the efficiency of your El Cerrito,...
Have you experienced a breakdown with your home heating or AC system and need professional...
Like regular oil changes and service checks for your car, your heating and cooling system...
Hassler provides installation, repair, and maintenance services for programmable thermostats,...
Heating a home’s water is among the top household energy burdens, second only to heating...
Why Choose Hassler
Hassler is your local, full service, trained and certified home performance experts.
There are many advantages to choosing Hassler as your source for heating and cooling installation and service, including the fact that we are locally owned and operated.
At Hassler, we are offering our customers a furnace and AC safety check for just $99. When you call us to evaluate your furnace, we’ll throw in an AC evaluation at no charge.
Save $25 off your next heating or cooling repair. Any make, any model, Hassler is prepared to repair your heating and cooling equipment.
The latest from the Hassler Blog
Winter is right around the corner, so don't wait until it hits to get prepared. Schedule heating maintenance to get ready for winter and start benefiting today!
In Bay Area neighborhoods, many of us have really been enjoying the recent weather.