Turn it off or turn it up? How to save on that A/C bill

opening the windows at night when the air is cooler. While that will help in those drier climates, the wetter ones still have to keep in mind the humidity. That cooler, damper air is just more moisture the A/C will need to take out later.

Hewitt also noted that simply closing the blinds can make a several-degree difference, a fact echoed by Phelan. continue reading …