Serving Berkeley, Oakland, and Alameda, Contra Costa, and Marin Counties!
Nate Hassler HeatingA NATE Quality Circle Contractor has at least 80% of their total technicians NATE certified. This high level of certification means they are ensuring their technicians are capable of providing the highest-quality service to their customers.
With All Water Heater Installations
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When installed during general maintenance appointment
BBB Accredited
diamond certified Hassler Heating
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angie's list super service award 2016
energy upgrade ca logo
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BayRen+ Home Rebate Program