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Old 01-29-02, 08:49 PM
Mike134 Mike134 is offline
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Join Date: Jan 2002
Location: Illinios
Posts: 264
Heating rule of thumb

Hello,

I'm sure this has been asked before but here goes...

What's the rule of thumb for sizing a furnace in a 2000 sq. ft. home located were it could get to -10 below. Thanks in advance.
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