Don, if you have an electric heater or two, that really cuts down on propane usage during the day. At night we reduce propane usage by setting the furnace on about 58, closing the door between upstairs and downstairs, then use an electric heater upstairs. That keeps you toasty upstairs but cold enough downstairs to force the furnace to run enough to keep the pipes from freezing. Also, at 25 degrees you will not likely freeze the pipes in the enclosed belly even if the furnace doesn't run much, in my opinion. At least not from our experience. And your 2006 model is much better protected in the belly than is our 2003 model.
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