Yellowjacket HVAC is on a mission to save the planet with heat pumps
Briefly

"Our mission is to change every single Bay Area home's gas furnace into a heat pump," Grimsich said. "We work to create the most enjoyable transition possible for local homeowners as they electrify their homes with heat pumps."
Highly efficient at heating and cooling indoor spaces, heat pumps are considered a critical technology for reducing global carbon emissions. Like air conditioners, heat pumps make use of a vapor-compression refrigeration system to extract heat from an environment and transfer it somewhere it's desired.
The key difference between heat pumps and gas or electric furnaces is that heat pumps move heat, rather than generating it. Because it takes less work to transfer heat than to create it, heat pumps are far more efficient.
Read at The Oaklandside
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