Don’t Shut Unused Vents! HVAC Experts Warn of Costly Damage — and See Why Comfort Systems Stock Just Went Through the Roof
Why “Saving” Energy by Closing Vents Can Backfire It seems logical: Why cool or heat an empty room? But HVAC experts say closing vents in unused rooms creates a problem, not a solution tomsguide.com tomsguide.com. Tom’s Guide reports that shutting vents raises static pressure in the ductwork, making the blower motor and compressor work far harder tomsguide.com tomsguide.com. “The air ends up building up at those vents and causes extra pressure, which can actually damage your system,” explains Eli Zimmer of Luxaire HVAC tomsguide.com. Micah Sherman (American Home Shield) agrees: “Closing vents in unused rooms can create pressure issues… forcing