What You Need to Know A winter draft can be the reason why your heating bills are higher than expected. Several products can help lower your heating bill, including blackout curtains, door draft stoppers, and more. To help combat drafty windows and doors, we rounded up a selection of easy winter hacks to retain the warmth and help improve your home’s insulation. Magzo Door Draft StopperCredit: AmazonThe Magzo Door Draft Stopper is the perfect solution for that small space between a door and the ground. The magnetic door cover offers full coverage thermal insulation, blocking any unwanted breezes from coming inside.