 After this weekend's heat wave, officials are giving tips on how to save energy. Xcel Energy's Theo Keith says one way to save on air conditioning costs is to install a programmable thermostat. Raises the temperature when the house is empty, lowers it back down to a comfortable level when everyone comes home. Another thing people can do is turn their ceiling fans counterclockwise. That'll circulate cool air from the bottom of the room up to the top. Keith says it makes the room feel up to 8 degrees cooler without running air conditioning.