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For heating the promise of heat pumps is even greater, with "efficiency" of over 300% (possible since the heat energy is transferred from outside). This means it's even more efficient to just burn gas for electricity and use a heat pump for heating.

There are currently quite a few limitations for heat pumps, especially for retrofitting, but for new homes the main argument is initial investment price. A heat pump is initially usually much more expensive than the alternatives (although cheaper over time).

I'm not aware of any health arguments in regards to gas vs. heat pumps.




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