How To Insulate Your Windows With Plastic

Go to your local hardware store and get an indoor window insulation kit. It will provide double-sided tape and sheets of shrink-wrap plastic that, when affixed to your windows according to the accompanying instructions, provide a weather seal you can see through.

Wash and dry your windows. The plastic wrap won’t cling as well to a dirty surface.

Measure your window frames, and then measure and cut the plastic to match, leaving a little wiggle room. You can always trim later with an Exacto knife.

Press double-sided tape on the outside edge of the molding. Take care not to stick the tape to the wall.

Firmly attach the edges of the plastic sheet to the tape, smoothing the sheet down as you go. Then run a hot blow-dryer back and forth over the plastic sheet so that the heat shrinks it, forming a tighter seal.

For an even easier insulator, try Bubble Wrap: Just mist your windows with water and slap it on; it will stick until you take it off.