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sidewndr46
on Jan 17, 2023
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Heat pumps of the 1800s are becoming the technolog...
You do realize that burning natural gas for heat produces light as well right?
elil17
on Jan 17, 2023
[–]
Natural gas furnaces are designed to not let that light out. Instead, the light is absorbed by the surfaces of the furnace and turns into heat. The inefficiency in gas furnaces is heat leaving in the exhaust.
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