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

Unfortunately, it was difficult to remove the existing wrinkles ... so it’s a good kit all around. Get the 3M outdoor window ...

Simply slide the insulation around the existing pipe and you’re all set. Shop Now Damaged window and door seals are among the leading causes of heat loss. A smoke leak detector shows exactly ...