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ASHRAE 105 Helps Compare Buildings’ Energy Performance

Linda Hardesty

ASHRAE Energy ManageThe newly revised ANSI/ASHRAE Standard 105-2014, Standard Methods of Determining, Expressing, and Comparing Building Energy Performance and Greenhouse Gas Emissions, supports commonality in reporting the energy performance of existing or proposed buildings.

The new edition of Standard 105 now includes procedures for going beyond site energy to calculate the impact of building energy use on primary energy and greenhouse gasses. It also provides a common basis for reporting building energy use in terms of delivered energy forms and expressions of energy performance; for comparing design options; and for comparing energy performance in terms of energy resources used and greenhouse gas emissions created, both across buildings and for energy efficiency measures within buildings.

The standard has also been upgraded to code enforceable language.



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