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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...
The Environmental Protection Agency (EPA) says our exposure to air pollution indoors may be 2-5...
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 and air...
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
Does it seem like temperatures are ever-changing in your Bay Area home, with one room feeling warm and stuffy and the next room making you reach for a sweater? Achieving the perfect indoor... Read more
How has the furnace in your home been running these last few winters? Is it approaching that 15-year mark, barely able to deliver enough heat to your home? Is it somewhat newer, yet it never seems to... Read more