Do window insulation kits actually work? Yes! They seal off drafty windows so you can spend less on your home heating bills.

Attaching plastic window insulation film, meanwhile ... Neglecting to seal gaps on the exterior of the window assembly is a ...

window insulation kits lower drafts and increase your home's energy efficiency. 'Typically, these kits include a clear plastic film that is placed on the window frame and heated (either with a ...