Window insulation kits typically include a plastic film that is applied to the interior of your home's windows, creating an additional barrier against the cold air that can leak through.

Typically, these kits include a clear plastic film that is placed on the ... tasks to lower your energy bills, how well do window insulation kits work? According to Josh Mitchell, HVAC technician ...

But does bubble wrap as insulation actually work? Here’s what we found out. This hack is pretty simple: just cut a piece of bubble wrap to the size of your window and place the bubble side ...