Should I leave my furnace blower on all the time?
Should I leave my furnace blower on all the time? Furnace fans are designed to run all the time, so there's no need to worry about it failing prematurely. Much of a furnace fan's wear and tear comes from the starts and stops of the motor; keeping it running can eliminate this type of stress. Should the fan be on when the heat is off? Your HVAC fan should turn on and off with the rest of your heating and cooling system. It's normal for the fan to kick on a couple of minutes before heating starts or to stay...