[thinkcontext]

Elsewhere in this thread fastbeef says "They're very common in Sweden and can easily warm an entire house even at -20 C [-4F]." So, it can work though at -10F you would probably need supplemental heat.

Of course in Sweden residential natural gas prices are almost 4 times what they are in the US so its a very different economic decision. Shows what a carbon tax can do.

https://www.statista.com/statistics/702735/household-natural...

[fastbeef]

Keep in mind that 1 kW worth of gas gives out 0.9 kW, while 1 kW of electricity entered into a heat pump gives out AT LEAST 3 kW of heat.

Also, no one uses gas for heating in Sweden. Very old houses down town use it for cooking only.