How many BTU do I need per square foot?
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Multiply the total square footage to be heated by the heating factor. If you live in a 2,500 square foot home and a climate zone with a heating factor of 40 BTUs per square foot, you need a furnace with an output of 100,000 BTUs per hour.
2023-04-20 16:35:12
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Emma Johnson
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Multiply the total square footage to be heated by the heating factor. If you live in a 2,500 square foot home and a climate zone with a heating factor of 40 BTUs per square foot, you need a furnace with an output of 100,000 BTUs per hour.