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About This Item


Full Description

The purpose of this Standard is to provide a consistent method of measuring and expressing the energy performance of buildings and to provide minimum requirements for and aid in the formation of a building energy performance data base. This Standard is intended to foster a commonality in reporting the energy performance of existing or proposed buildings to facilitate comparison, design and operation improvements, and development of building energy performance standards.

Placed in Document Download: November 1999

Units: Dual


Document History

  1. ASHRAE 105-2014

    Expressing, and Comparing Building Energy Performance and Greenhouse Gas Emissions (ANSI Approved)

    • Most Recent
  2. ASHRAE 105-2007

    Expressing, and Comparing Building Energy Performance (ANSI Appproved)

    • Historical Version
  3. ASHRAE 105-1984 (RA 99)


    Standard 105-1984 (RA 99) -- Standard Methods of Measuring and Expressing Building Energy Performance (ANSI approved)

    • Historical Version