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Heating & Cooling

How to figure Furnace BTU's necessary

Formula to calculate BTU's for replacement forced air gas furnace
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Posted 2016-10-02T17:36:47+0000  by Ardie Ardie
 
The complete load calculations are contained in what's called "Manual J."  It's pretty complex and I have no idea if there is a free download available but you can use your favorite search engine and see what turns up.
Posted 2016-10-02T23:40:50+0000  by Adam444
 
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