I think one reason heat pumps have become more practical is that homes are now b... | Hacker News

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titanomachy on Jan 21, 2019 | parent | context | favorite | on: On whether changes in bedroom CO2 levels affect sl...

I think one reason heat pumps have become more practical is that homes are now better insulated, making 85kBTUs of heating capacity excessive for all but the largest houses.

SketchySeaBeast on Jan 22, 2019 [–]

We've got an old, poorly insulated home which is why our requirement is so high.

The average is 30 BTU / 1000 sq feet. That's 10 kW / 1,000.

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