Celebrating 25 years of exceptional service, Hassler Heating & Air Conditioning is a full-service HVAC company, specializing in leading California’s electrification initiative. Hassler provides full-service transition from gas to electric, as well as providing exceptional residential heating and cooling services with a focus on improving your home’s energy efficiency. Whatever your home needs are, Hassler uses equipment and materials above industry standards. Proudly serving Alameda, Contra Costa, and Marin counties.

Monday: 7:30AM–6:30PM
Tuesday: 7:30AM–6:30PM
Wednesday: 7:30AM–6:30PM
Thursday: 7:30AM–6:30PM
Friday: 7:30AM–6:30PM
Saturday: 8AM–4PM
Sunday: Closed

Rating: 4.9 Stars

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