Rooftop Unitary Air Conditioner with Integral Dedicated Outdoor Air System

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Description

Energy use of rooftop and other unitary air-conditioners in commercial applications accounts for about 1 quad (10{sup 15} Btu) of primary energy use annually in the U.S. [Reference 7]. The realization that this cooling equipment accounts for the majority of commercial building cooled floorspace and the majority also of commercial building energy use has spurred development of improved-efficiency equipment as well as development of stricter standards addressing efficiency levels. Another key market driver affecting design of rooftop air-conditioning equipment has been concern regarding comfort and the control of humidity. Trends for increases in outdoor air ventilation rates in certain applications, ... continued below

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TIAX LLC February 28, 2006.

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  • TIAX LLC
    Place of Publication: United States

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Description

Energy use of rooftop and other unitary air-conditioners in commercial applications accounts for about 1 quad (10{sup 15} Btu) of primary energy use annually in the U.S. [Reference 7]. The realization that this cooling equipment accounts for the majority of commercial building cooled floorspace and the majority also of commercial building energy use has spurred development of improved-efficiency equipment as well as development of stricter standards addressing efficiency levels. Another key market driver affecting design of rooftop air-conditioning equipment has been concern regarding comfort and the control of humidity. Trends for increases in outdoor air ventilation rates in certain applications, and the increasing concern about indoor air quality problems associated with humidity levels and moisture in buildings points to a need for improved dehumidification capability in air-conditioning equipment of all types. In many cases addressing this issue exacerbates energy efficiency, and vice versa. The integrated dedicated outdoor air system configuration developed in this project addresses both energy and comfort/humidity issues.

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  • Report No.: None
  • Grant Number: FC26-03NT41949
  • DOI: 10.2172/920385 | External Link
  • Office of Scientific & Technical Information Report Number: 920385
  • Archival Resource Key: ark:/67531/metadc896672

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Creation Date

  • February 28, 2006

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • April 11, 2018, 1:46 p.m.

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TIAX LLC. Rooftop Unitary Air Conditioner with Integral Dedicated Outdoor Air System, report, February 28, 2006; United States. (digital.library.unt.edu/ark:/67531/metadc896672/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.