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Green Star FAQs


FAQ F-00098
How is the conditional requirement for the BASIX pathway calculated?

The Conditional Requirement (15C.0) for the BASIX Pathway is calculated as a 10% reduction relative to the maximum allowable aggregate heating and cooling energy for the project climate regions as per the BASIX thermal comfort compliance criteria. A graphical explanation has been attached to this FAQ.

For example, if the BASIX energy target for a project in a climate region is 15,

  • then the maximum allowable aggregate heating a cooling energy is 85 (or 100 - 15)
  • a 10% reduction relative to the above would be 76.5 [or 85-(10% x 85)]
  • the Conditional Requirement would be a 23.5% reduction (or 100 - 76.5)


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Rating Tools

This FAQ is related to the following Rating Tools, Categories or Credits:

  • Green Star - Design & As Built v1.1 / Energy / 15 Conditional Requirement - Greenhouse Gas Emissions
  • Green Star - Design & As Built v1.2 / Energy / 15 Greenhouse Gas Emissions - Conditional Requirement


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