WATCH: Learn How to Build a Simple Air Conditioner at Home for Only $8

Trying to keep cool this summer, but you’re on a major budget? You don’t have to shell out the big bucks for a new A/C unit to beat the heat, you can live in comfort during the hottest months for as little as about $8 and ten minutes.

Thanks to HouseholdHacker, who posted this nifty little life hack to YouTube. The homemade air conditioner uses simple materials—Styrofoam cooler box, which costs about $4, dryer vents which you can find for around $2, and frozen bottles of water.

It’s cheap, simple and fast, and it actually works!

Check out the video above to learn how to do this yourself.