Tag Archive: air infiltration

Cold Air Infiltration Into House Under Subfloor

Over the last couple years, I’ve wondered why our master bedroom was on average about 10°F cooler than the rest of the house during the winter. At first, I thought it had to do with poor insulation or that the central air registers in that bedroom were not supplying enough warm air from the furnace. Turns out cold air infiltration was the culprit and it was seeping into our bedroom from two locations. Air infiltration is a bad thing. No matter how much insulation you have, cold air infiltration leaking…
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