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VAV Terminal Units: Looking Back, Ahead.

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  • معلومة اضافية
    • نبذة مختصرة :
      The article discusses the use of variable air volume (VAV) terminal units in commercial office buildings in the U.S. Topics covered include the evolution of commercial air conditioning system in the U.S., importance of pressure independent control to VAV systems, and the introduction of programmable direct digital controls (DDC). Also mentioned are the VAV unit standards implemented by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).