Whether you live in an apartment or a house, chances are there's more than a bit of air coming in around your electrical outlets and switches--especially the ones in exterior walls. The technical term is air infiltration; that link from the EPA explains why it's so important to seal up your house.
A quick and easy way to cut down air infiltration (what most people simply call drafts) is to turn off the power, grab a screwdriver, and order some of these foam outlet and switch sealers.




i'm super cheap, i make mine out of the styrofoam trays under the meat i buy at the supermarket...
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