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State-of-the-Art Review of CO2 Demand Controlled Ventilation Technology and Application.


pdf icon State-of-the-Art Review of CO2 Demand Controlled Ventilation Technology and Application. (492 K)
Emmerich, S. J.; Persily, A. K.

NISTIR 6729; 47 p. March 2001.

Sponsor:

Architectural Energy Corp., Boulder, CO

Available from:

: National Technical Information Service (NTIS), Technology Administration, U.S. Department of Commerce, Springfield, VA 22161.
Telephone: 1-800-553-6847 or 703-605-6000;
Fax: 703-605-6900; Rush Service (Telephone Orders Only) 800-553-6847;
Website: http://www.ntis.gov
Order number: PB2001-108141

Keywords:

carbon dioxide; energy efficiency; indoor air quality; ventilation; energy consumption; climate; field tests; simulation; sensors; standards; building codes

Abstract:

The control of outdoor air intake rates in mechanically ventilated buildings based on indoor carbon dioxide (CO2) levels, often referred to as CO2 demand controlled ventilation (DCV), has the potential for reducing the energy consumption associated with building ventilation in some commercial and institutional buildings. Carbon dioxide DCV has been discussed, promoted, studied and demonstrated for the last twenty years, but questions remain regarding the actual energy savings potential as a function of climate, ventilation system features, and building occupancy. In addition, questions exist as to the indoor air quality (IAQ) impacts of the approach best way to implement CO2 DCV in general and in a given building. This report presents a state-of-the-art review of CO2 DCV technology and application including discussion of the concept and its application, and a literature review. In addition the regulatory and standard requirements impacting CO2 DCV are also examined.