San Francisco's mild climate makes it one of the most efficient places in the country to run a heat pump. Modern systems provide efficient heating and cooling in one system, with equipment and sizing tailored to your home's layout and microclimate.
Heat pumps work by moving heat from outside air into your home (for heating) or from inside your home to outside (for cooling). The technology's efficiency — expressed as a Coefficient of Performance (COP) — increases as outdoor temperatures rise. San Francisco's average winter low of 46°F places the city in an optimal zone for heat pump performance, where modern cold-climate units achieve COPs of 2.5–4.0. That means for every unit of electrical energy consumed, you get 2.5 to 4 units of heating output — far more efficient than electric resistance heating or gas combustion.
San Francisco's climate also aligns with California's broader electrification goals. The state is pushing residents to move away from gas appliances, and SF's mild temperatures make the transition particularly painless — you won't be asking a heat pump to work hard in extreme cold. The city's relatively stable year-round temperatures mean heat pumps here run at partial load capacity for most of their operating hours, which extends equipment life and maximizes efficiency.
SF HVAC Repair installs ducted and ductless heat pump systems from leading manufacturers: Mitsubishi Hyper-Heat (outstanding cold-weather performance, ideal for SF's coldest fog-belt nights), American Standard, Carrier Infinity, Daikin, Lennox Elite, Rheem, and Bosch. We match the system to your home's layout, electrical capacity, and existing HVAC infrastructure.
We calculate the heating and cooling capacity your home needs before selecting equipment.
We recommend the system configuration that fits your home's ducts, rooms, and access.
We coordinate the required mechanical permits and inspection scheduling for your project.
Review the equipment, installation scope, and pricing before any work begins.
We install heat pump systems in all 28 SF neighborhoods.