Green Core Heating & Air

Green Core Heating & Air is a locally owned HVAC company based in Petaluma, serving homeowners across Sonoma, Marin, and Napa counties and San Francisco. We specialize in efficient heat pumps, ductless mini splits, and furnaces, plus heat pump, gas, and tankless water heaters. From repairs and maintenance to full system replacements, we design right-sized systems for each home and install them with care. As a registered contractor with Sonoma Clean Power, BayREN, MCE, and TECH Clean California, we help homeowners find rebates that lower the cost of going electric. We serve Petaluma, Santa Rosa, Rohnert Park, Sonoma, Sebastopol, Windsor, Cotati, Novato, San Rafael, Mill Valley, San Anselmo, Fairfax, and nearby towns.