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About Us

Family-Owned HVAC Company Proudly Serving San Francisco and the Bay Area

About Dennis's Heating & Cooling

Dennis's Heating & Cooling is a fully licensed (C-20 License #1137367), bonded, and family-owned company providing reliable heating and cooling services throughout San Francisco and surrounding areas. With years of experience, our goal is to deliver honest, high-quality HVAC solutions — from AC repair and furnace replacement to heat pump conversions and indoor air quality improvements.

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HVAC units outside home with tool bag

Why Choose Us for Heating and Cooling Services in San Francisco?

We take pride in our craftsmanship, safety, and customer satisfaction — always treating every home as if it were our own.

  • Licensed & Bonded (C-20 License #1137367) 
  • 24/7 Emergency Services
  • Family-Owned & Operated
  • Serving San Francisco & Bay Area
  • Over 30 Years Experience
  • Discounts for First Responders, Seniors, Military, and Veterans

Choose Us for Quality Heating & Cooling

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