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Furnace MODEL Number Decoder

Richard Moore

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I just found a rather nifty furnace model number decoder. My photo of a York furnace label today didn't quite turn out but I did have the model number. I like to report size (input BTUs) and so, went off in search of a decoder. I ended up at the Dept of Energy (EERE) site and discovered this PDF.

http://www1.eere.energy.gov/buildings/a ... g_0906.pdf

I have also uploaded it to the library under "Heating Systems/Gas Furnaces".

Besides BTU rating it also shows where orientation, CFM, etc is located. The site listed it as a 2008 document, so it should be fairly up to date and it covers most popular brands.

One word of caution...the York numbers list output BTUs. You have to do a little math to get back to input BTUs. In my case the number 64 divided by 80(%) x 100 gave me 80 (80,000).

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