Save yourself hundreds of dollars and get this! My bed is next to my ginormous window SO this window insulator kit will work wonders! Print this $3.00 3M Window Insulator Kit coupon and head to Walmart

3M Indoor Window Insulator Kit $10.87
Use $3.00/1 – 3M Window Insulator Kit, any  (coupons.com)
Total: $7.87