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  • ventilation: infiltration of buildings
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    		Essay:

    Energy used by buildings 40% of total energy consumption in US

    In 2005, commercial and residential buildings accounted for 40% of total energy consumption in the United States (U.S. Department of Energy 2006). Yet according to the United States Department of Energy, 40% of the energy used to heat and cool the average building is lost to the phenomenon of uncontrolled air leakage through the building envelope. That means up to an astonishing 16% of our total energy consumption may be wasted ev ery year.

    Source:

    Improving the Building Envelope to Meet the

    Challenges of New Research and Regulation

    Tony Woods, Building X 2007

    Tony Woods is president of Canam Building Envelope Specialists Inc., Mississauga, Ontario, and serves on the board of directors of the Building

    Performance Institute.



    CRDBER, at CBS, BCEE, ENCS, Concordia,