Hassler Heating and Air Conditioning, LLC

Hassler Heating & Air Conditioning is a full-service HVAC company proudly leading California’s electrification movement. We specialize in helping homeowners transition from gas to electric systems, while providing top-tier heating and cooling solutions that enhance energy efficiency and comfort.

At Hassler, we use only premium equipment and materials that exceed industry standards, ensuring long-lasting performance and reliability. We’re proud to serve Alameda, Contra Costa, and Marin Counties with expert service and a commitment to sustainable, efficient home comfort.