A Guide to Get Started With HVAC Dampers
Updated August 23, 2024 An HVAC damper is a device that regulates the airflow in and out of your home. It’s used in heating, cooling, and ventilation systems. It’s important to understand how they work and what they’re used for to maintain your system and keep it running efficiently. A damper is usually placed near the end of each duct run and has three positions: closed, half-open, and fully open. The closed position blocks airflow completely, while the half-open allows only partial airflow. The fully open position allows maximum airflow out of the ductwork. Contact Us for AC Service Today! When Can You Open and Close the HVAC Damper? The short answer is that you can open and close anytime the temperature in your home or building needs to be altered, according to in O’Fallon, MO, where the temperature fluctuates dramatically. The longer answer is that you should open or close your HVAC damper when the outdoor air temperature is higher or lower than the indoor air. Opening the damper allows more fresh air, lowering its temperature as it passes through the building’s ducts. Closing down the damper restricts airflow outside, forcing your heating or cooling system to work harder....
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