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30 Years Ago

Posted by Dodgeman on May 8th, 2001 01:12 PM
In reply to Furnace Replacement - 2 stage furnace vs standard by Kate on May 8th, 2001 12:02 PM [Go to top of thread]

A lot of the gas furnaces were 80% efficient. With age, that efficency probably has dropped, but not to 50%. If the 2 stage furnace is one of the high efficiency (90 plus %), I would go for it. However if what they mean is a two stage blower for heating and cooling, and the furnace is still 80% efficient, I would forget it and get new quotes for 90+%. With the "new age" of gas prices, you can't be too efficient, and the payback will be quick.

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