1. A customizable door draft stopper because you're paying top dollar for AC and not about to let any of that money go to waste. This works to plug up gaps that prevent your home from being cooled or heated as efficiently as possible.

Simply cut to size, slide under your door, and enjoy a little extra $$$ in your pocket. Promising review: " It’s saved us so much money on our energy bill. We’re definitely buying more, and I encourage you to buy more if you want to save on your energy bills.

" — Kellykelly Get it from Amazon for $16.99 (also available in multipacks). 2.

Plus, some self-adhesive insulating weather strips for applying to the edges of drafty windows and doors that'll help keep cold air in and hot air out and even dampen the sound of your roommate's three-hour-long Zoom meeting. Promising review: "Can't beat the price! Great adhesive strength. Using in Texas weather on doors to seal air leaks.

The weatherproofing material itself is very pliable and soft, presuming it weathers the heat and humidity. Can split a roll into two thinner strips doubling your coverage or can double insulate using the entire roll offering a lot of flexibility." — Paul K.

Get it from Amazon for $7.97+ (available in two sizes and four colors). 3.

A rechargeable 3-in-1 handheld fan to beat the heat no matter where it strikes. It's the perfect size to keep stashed in your bag *and* it doubles as a power bank for on-the-go charging. Did I mention the built-in flashlight? Just in case it .