Look out for uneven heating or cooling, Weird noises from ductwork, increased Vitality bills, or rooms that gained’t warm up. These could mean your dampers will need fixing. Manual dampers are altered by hand and are typically Employed in older HVAC devices. They're much less frequent nowadays as a result https://aircontroldampersforengin89900.blog2freedom.com/36688876/helping-the-others-realize-the-advantages-of-air-control-dampers-for-hot-climates