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New CSA standard for estimating building energy use in works

The CSA C873 Building Energy Estimation Methodology (BEEM) series of standards is open for Public Review until April 30. The series of 10 new standards provides a method for assessing the overall energy efficiency of buildings, and it takes...


The CSA C873 Building Energy Estimation Methodology (BEEM) series of standards is open for Public Review until April 30. The series of 10 new standards provides a method for assessing the overall energy efficiency of buildings, and it takes into account the interactive effects of energy flows.

The calculations enable all energy quantities required for the purpose of heating, domestic hot-water heating, ventilation, air conditioning, and lighting of buildings to be assessed.

The methodology outlined in the CSA C873 Series is suitable for determining the long-term energy needs of buildings or parts of buildings as well as for assessing the possible use of renewable sources of energy in buildings. The energy calculation procedure can be used for new or for existing buildings and for retrofit measures for existing buildings.

This Series of C873 Standards were prepared by the Subcommittee on Building Energy Estimation Methodology, under the jurisdiction of the Technical Committee on Heating, Ventilation, Air Conditioning and Refrigeration

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