7 Zero-Cost Summer Hacks That Will Slash Your Energy Bills (And Keep You Cool Without AC)

3.Reverse Your Ceiling Fan

Look up at your ceiling fan: most manufacturers hide a tiny toggle switch on the motor base. If it is set to the wrong direction, your fan is actively drawing hot air from the ceiling and pushing it down.

Flip that switch to counter-clockwise. Running a fan counter-clockwise creates a direct breeze that makes any room feel 4 degrees cooler instantly, allowing you to lower your AC usage and cut your cooling bill by up to 30%.

4. Hang Damp Bath Towels

Transform a floor fan or window breeze into a passive cooling system using basic household items. Soak two large bath towels in cold water and wring them out until damp. Hang them on a drying rack directly in front of your fan or open window. As the air passes through, the evaporating moisture drops room temperatures by up to 5°F.

Continue reading for the zero-cost trick that blocks 70% of solar heat before it even touches your glass...