News for hackers. Stuff that matters.

A comment on The Near Future of Electric Cars: Many Models, Few Buyers. Parent comment

Re:The Near Future of Electric Cars: Many Models, Few Buyers by sitkack on Friday December 29, 2017 @10:43PM (#16033741)
Not to be technically correct, but electric heat is 100% efficient.
[ Parent | on HN ]
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

[ Parent | on HN ]
Re:The Near Future of Electric Cars: Many Models, Few Buyers by sitkack on Saturday December 30, 2017 @01:41AM (#16034181)
I think you were looking for this, http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/heatpump.h...
[ Parent | on HN ]