Ceiling fans don’t just keep you cool. Reverse the blades in the winter to circulate warm air throughout the room. Running the blades clockwise at a low speed will create a gentle updraft, pushing warm air down along the walls and back to the floor. This will make the room feel warmer, so you can lower the thermostat temperature. According to the EPA, this can save as much as 15 percent off your heating bills. If you adjust the rotation on a remote or with a switch on the wall, choose “reverse” to set the blades in clockwise motion. Or, look for a toggle-switch on the motor housing just below the blades and flip the switch up or to the right.