Old HQCO: Help! Is it 80% or 90% efficient?


Old 11-11-08, 07:44 AM
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Question Old HQCO: Help! Is it 80% or 90% efficient?

My old HQCO (installed 1990) needs a squirrel cage and fan, but parts seem to be obsolete. My home warranty service may authorize a replacement of equal but not better, but one contractor said it was an 80% efficient furnace (new), while another says it was definitely 90% efficient, and thus should be replaced with 90% The HQCA is Model#NHGE075AF04 (if they are zeros not letter "O"s) and it also has this number 867.768463 Can anyone tell me which efficiency it is -- hopefully 90%!!
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Old 11-11-08, 08:21 AM
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It is possibly a 90%er. There are parts available and some pats may interchange with Tempstar. Also google hwacmechanic.com
Old 11-11-08, 06:27 PM
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Is it vented with metal or plastic pipe? If metal it's 80% & if plastic it's 90%.

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