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Old 11-01-2005, 12:01 AM
Brian Carlton Brian Carlton is offline
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Join Date: May 2002
Location: Blue Point, NY
Posts: 25,396
Quote:
Originally Posted by MedMech
my furnace was off for 6 hours and the outside temp was -6 and it was clody with light winds my house droped from 72 to 69 in that period of time...and thats with the workers going in and out. I have 110,000 btu 90% efficency furnace.
Something is not right. Are you stating that the house dropped three degrees in six hours, without any furnace in operation, with an ambient of -6F?

Either you have some unbelievable insulation in that house or there is some truth being stretched. 2 x 6 walls with R-19 would not be able to hold a house to a .5/hour temperature drop at -6F. ambient.

In fact, at this temperature, the average 2,000 sq. ft. house in MI would be sucking down somewhere around 70,000 BTU/hr. If you are losing 70,000 BTU/hr, the house is going to drop by much more than .5 per hour.
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