Update To Story On Geothermal Furnace Runs Off Well Water

Update To Story On Geothermal Furnace Runs Off Well Water ENERGY Alternative Fuels I thought the information in the story last issue called “Geothermal Furnace Runs Off Well Water” contained misleading statistics It claimed that it could produce 24 000 btu’s from 3 gal of well water per minute If the well water was at 48 degrees you would have to pull out 24 degrees of heat to get 24 000 btu’s meaning the water would exit at 24 degrees which is below freezing Frozen water won’t come out of a pipe Most geothermal units extract only 5 or 6 degrees which is why you have to pump so much water through them With a well water system you would have to consider wear and tear on your well pump and the electric cost of operating it Geothermal units that heat and cool homes must be properly engineered If they are then some savings are definitely possible Alan Linda retired HVAC instructor New York Mills Minn 56567

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