If you want to save your energy bill from soaring, the best window insulation kit is the 3M Indoor Patio Door Window Insulation Kit. The plastic film blocks all chilly drafts so you won’t get a chill ...

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This 3M insulator kit comes with enough film to cover up to five windows measuring 5 feet long by 3 feet wide. This ...

Add Yahoo as a preferred source to see more of our stories on Google. This window insulation kit will help keep out cold drafts this winter — and it's less than $35. (Photo via Amazon) For less than ...