shutting a vent

November 1, 2016

Should You Shut a Room to Save Energy?

Many homeowners fall for the urban myth that closing air vents in infrequently-used rooms can save energy. In reality, shutting a room can increase your energy bills, and cause a number of other issues in your home, including: Diminished comfort. In a system with a single-speed blower fan, shutting vents can make it difficult to maintain comfort. That’s because closing vents restricts airflow in the ductwork, which causes a pressure increase in the HVAC system. The fan speed drops as […]