Duct (flow)

（重定向自Air conditioning duct）

A round galvanized steel duct connecting to a typical diffuser

Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as

An air handling unit with vibration isolator (3)

An opposed-blade, motor-operated zone damper, shown in the

Ducts are used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust air.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.

单词	Air conditioning duct
释义	Air conditioning duct 英语百科 Duct (flow) （重定向自Air conditioning duct） Ducts are used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust air.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.
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