"It worked so great." Woman shares clever hack using empty water bottle: 'That's genius' first appeared on The Cool Down.

Hot summer weather can make the temperature of your home unbearable. Most people rely on their home's AC unit to blast cool air through their vents and keep their living space feeling comfortable.

Filling a reusable water bottle with ice before airport security is a TSA-approved hack that keeps water cold and avoids buying pricey bottled water. Once past security, you can fill your bottle at a ...