Where is the air filter on my furnace?
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Studied at Princeton University, Lives in Princeton, NJ
1. On your new filter, find the arrow that indicates the proper air flow direction. This tends to confuse everyone more than anything else. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.Mar 16, 2015
2023-06-13 16:47:26
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Benjamin Baker
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1. On your new filter, find the arrow that indicates the proper air flow direction. This tends to confuse everyone more than anything else. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.Mar 16, 2015