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air pressure duct

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  • Duct sealing — is the sealing of leaks in air ducts in order to reduce air leakage, optimize efficiency, and control entry of pollutants into the home or building. Air pressure combined with air duct leakage can lead to a loss of energy in a HVAC system and… …   Wikipedia

  • Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated …   Wikipedia

  • Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …   Wikipedia

  • air-cushion machine — ▪ vehicle Introduction also called  ground effect machine,  or  hovercraft,         any of the machines characterized by movement in which a significant portion of the weight is supported by forces arising from air pressures developed around the… …   Universalium

  • Air conditioning — The term air conditioning refers to the cooling and dehumidification of indoor air for thermal comfort. In a broader sense, the term can refer to any form of cooling, heating, ventilation or disinfection that modifies the condition of air.… …   Wikipedia

  • Air purifier — An air purifier is a device which removes contaminants from air. Air purifiers are commonly marketed as being particularly beneficial to allergy sufferers and asthmatics, and at reducing second hand tobacco smoke. Use of purifiers Dust, pollen,… …   Wikipedia

  • duct losses — The friction losses that cause the air pressure to decrease in gas turbine engine …   Aviation dictionary

  • Pressure sensitive adhesive — (PSA, self adhesive, self stick adhesive) is adhesive that forms a bond when pressure is applied to marry the adhesive with the adherend. No solvent, water, or heat is needed to activate the adhesive.It is used in pressure sensitive tapes, labels …   Wikipedia

  • Air safety — is a term encompassing the theory, investigation and categorization of flight failures, and the prevention of such failures through regulation, education and training. It can also be applied in the context of campaigns that inform the public as… …   Wikipedia

  • Duct leakage testing — A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a… …   Wikipedia

  • Air Movement and Control Association — The Air Movement and Control Association International, Inc. (AMCA; pronounced Am Cah ) is a nonprofit organization that creates standards for, tests, and rates Heating, Ventilating, and Air Conditioning (HVAC) equipment. It is best known for its …   Wikipedia

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