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  2. Smoke exhaust ductwork - Wikipedia

    en.wikipedia.org/wiki/Smoke_exhaust_ductwork

    ISO6944 - 2008 Fire containment -- Elements of building construction -- Part 1: Ventilation ducts "Wisegeek" page on return air ductwork. Return air ductwork can be co-opted for cold smoke exhaust in North America

  3. Air-mixing plenum - Wikipedia

    en.wikipedia.org/wiki/Air-mixing_plenum

    An air handling unit used for the heating and cooling air: (1) supply air (2) fan section (3) vibration isolator (4) cooling coil (5) filter (6) mixed air duct. Air supply to a building is generally performed by an air handling unit. The process may include filtering, heating, cooling, humidification, or dehumidification, all of which consume ...

  4. Duct (flow) - Wikipedia

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

    The needed airflows include, for example, supply air, return air, and exhaust air. [1] Ducts commonly also deliver ventilation air as part of the supply air. As such, air ducts are one method of ensuring acceptable indoor air quality as well as thermal comfort. A duct system is also called ductwork.

  5. Forced-air - Wikipedia

    en.wikipedia.org/wiki/Forced-air

    The return plenum carries the air from several large return grills (vents) to a central air handler for re-heating. The supply plenum directs air from the central unit to the rooms which the system is designed to heat. Regardless of type, all air handlers consist of an air filter, blower, heat exchanger/element/coil, and various controls.

  6. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Warm air systems distribute the heated air through ductwork systems of supply and return air through metal or fiberglass ducts. Many systems use the same ducts to distribute air cooled by an evaporator coil for air conditioning. The air supply is normally filtered through air filters [dubious – discuss] to remove dust and pollen particles. [15]

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    Sonic X Shadow Generations Nintendo Switch game for $29.99 (save $20) ... Ninja Air Fryer for $123.48 (save $125) ... both of which are on sale for Cyber Monday. The queen pillows are 41% off ...

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