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Old 02-15-2021, 03:19 PM   #5
LarryFlew
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Join Date: May 2019
Location: Young America, MN
Posts: 43
Heat pump alone keeps our 37 foot alpine good down to the 40's. Should actually blow more air inside but at lower temperature than say your furnace. Check filters in return air grills and possible filter in the ht pump itself. As mentioned make sure your compartments are sealed against cross flow in the ht pump itself. Check the coil input side for dirt as a wet coil in summer filters out any dirt filters don't catch and frequently cause exactly what you are experiencing.
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