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  2. Damper (flow) - Wikipedia

    en.wikipedia.org/wiki/Damper_(flow)

    A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control - for example, in the case of ...

  3. Variable air volume - Wikipedia

    en.wikipedia.org/wiki/Variable_air_volume

    Variable air volume (VAV) is a type of heating, ventilating, and/or air-conditioning system. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant or varying temperature.

  4. Air-mixing plenum - Wikipedia

    en.wikipedia.org/wiki/Air-mixing_plenum

    The mixing plenum normally combines two air streams, and includes for three sets of dampers: one for the fresh air, one for the exhaust air, and a mixing damper between the two air streams. The mix of fresh air and recirculated air can thus be adjusted to suit the needs of the building's occupants.

  5. Glossary of HVAC terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_HVAC_terms

    outside air damper An automatic louver or damper that controls the fresh air flow into an air handler and modulates to the most energy efficient setting. outside air temperature A measure of the air temperature outside a building.

  6. Fire damper - Wikipedia

    en.wikipedia.org/wiki/Fire_damper

    Air transfer fire dampers in facades are vents applied in wall, eave soffit, gable or foundation. In the US, these are used to protect from exterior fire exposure from neighboring structure or via window-, arson- and wildfire (ASTM E2912 plus ASTM E119) or against wildfire only (ASTM E2886).

  7. Air Movement and Control Association - Wikipedia

    en.wikipedia.org/wiki/Air_Movement_and_Control...

    The Air Movement and Control Association International, Inc. ( AMCA) is an American trade body that sets standards for Heating, Ventilation and Air Conditioning ( HVAC) equipment. It rates fan balance and vibration, aerodynamic performance, air density, speed and efficiency. AMCA was formed in 1955 from several earlier trade associations which ...