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Re:The Near Future of Electric Cars: Many Models, Few Buyers by sgc on Friday December 29, 2017 @11:37PM (#16033867)
A heat pump can be more than 100% efficient in the sense you seem to be talking about. It transfers heat from one area to another, and can bring in more heat to a space than the energy used could produce in heat through a resistive heating element.

https://en.wikipedia.org/wiki/Heat_pump

Re:The Near Future of Electric Cars: Many Models, Few Buyers by sitkack on Saturday December 30, 2017 @01:41AM (#16034181)