You don't need to call an electrician. Gradient's 120-volt All-Weather Heat Pump is easy to install on your own and plugs into a standard outlet. Jon covers ...
Heat pumps have annually outsold gas furnaces for several years now, and with the recent introduction of more high-efficiency, cold-climate, air-source heat pumps, that trend is likely to continue.
New research from Germany’s Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) has shown that combining rooftop PV systems with battery storage and heat pumps can improve heat pump ...
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