HVAC dampers are tiny steel plates or valves mounted in your ductwork. They determine which percentage of your house or business enterprise gets heated or cooled until finally the desired temperature environment is achieved. Guide dampers are modified by hand and are usually used in older HVAC programs. These are https://garretttjwkx.59bloggers.com/37177650/the-greatest-guide-to-air-control-dampers-for-engine-sheds