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12-15-2011, 08:50 PM #1
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- Dec 2011
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Need efficiency rating on Bard furnace
Hi, I'm looking for the efficiency rating on a old Bard furnace from 83' I believe. Model No. IH60D36A it's a gas furnace. I was told it was 40% and another tech told me it was 70%. That's quite a difference. I can't find the info anywhere.
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12-15-2011, 09:39 PM #2
From that year the 70% answer would be the correct one especially if it is just a builders grade system.
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12-15-2011, 09:54 PM #3
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