Bubble wrap, huh? I've heard that before, but doesn't it block out a lot of natural light? I usually prefer clear plastic film—it's fiddly too, sure, ...

Good points there, but have you noticed much difference with triple-pane windows? We went that route at our cabin, and honestly, it made a bigger diff...

We had single-pane windows in our old house, and honestly, no amount of caulking or weatherstripping seemed to fully fix the chill we felt near them i...