We think of our homes as refuges from the outdoors. Sequestered away from the wildfire smoke and the pollution outside, we tailor our indoor environments right down to the degree as if we were all weather forecasters with magic wands. But homes leak an incredible amount of air. All that expensive heating you pay for during fall and winter mingles with the cold air continuously spilling in through windows, doors, floors, and electrical sockets. Buildings—even new ones—are a lot draftier than one would expect, and the volume of cold winter air that can seep through the tiniest crack or pinhole is mind-bogglingly significant.
There are ways to mitigate it with