To save on cooling costs, is it recommended to shut the air-conditioner vents in rooms that are unused and closed?
If designed correctly, the air delivery system in your house has been sized according to the flow requirements of the unit and each room. Closing off vents can create a pressure imbalance within the system that can reduce the effectiveness of your cooling system. By closing off registers, the increased pressure within the ducts can also cause increased duct leakage, especially in a duct system that is not properly sealed. Give us a call if you think you have duct leakage.
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