1. Maintaining a constant temperature
Cause: A persistent myth suggests that you can save energy by leaving the house at a comfortable 68 degrees (a widely recommended winter setting), even when you are sleeping or away at work.
Effect: You could miss out on significant potential energy savings by not using a programmable thermostat and adjusting the temperature overnight and during the workday.
2. Closing off vents in unused rooms Cause: You don't want to waste energy heating rooms you aren't using. Effect: Again, this just wastes energy and makes your furnace run inefficiently because it changes the air pressure in the whole system. Experts recommend never