This $1 Sheet Behind Your Curtains Insulates Like Triple-Pane Glass. Why Doesn't Anyone Tell You?
Colt ArchivesAbout 30% of every dollar you spend heating and cooling your home leaves through your windows. The U.S. Department of Energy measured it. And the curtain you already own is blocking less than a third of that loss, even though there's a $1 fix, sold at every dollar store in the country, that pushes t