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Pastimes : Where the GIT's are going
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To: Ken Adams who wrote (171107)12/15/2008 3:55:22 PM
From: Oral Roberts  Read Replies (1) of 225578
 
Actually your furnace if properly sized will run about 50 minutes out of every hour at these temps. It's most efficient with the high efficiency jobs. Doesn't seem right that a bigger one that only runs 20 minutes will actually use more gas but that is what would happen.
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