Finding and Fixing Home Air Leaks

You've insulated and caulked, but your house still fills cold and drafty. It's time to search for the remaining home air leaks: Inspect bottom plates, electric outlets and switches, beam pockets and junctions, vanities and sinks.



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A blower door is installed in one of a home's entries so that the building can be pressurized to find air leaks.
PHOTO: DOUG LEE
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Instrumentation on the blower door allows the pressure to be adjusted inside the building.
DOUG LEE
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The energy auditor searches out air leaks by checking likely spots with a smoke pencil.
DOUG LEE

















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