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Green Star FAQs

FAQ F-00295
Can projects claim an innovation point for rectifying air leaks identified during air permeability testing?


Projects may target one (1) point through 30B Market Transformation under Green Star - Design & As Built by conducting additional leakage diagnostics to document leaks found during testing, rectifying and reporting at least one major defect identified during air permeability testing to all stakeholders, in addition to targeting and meeting or exceeding the air permeability rates as part of achieving the Building Commissioning point in the Commissioning and Tuning credit. 

Stakeholders include, but are not limited to, the building designer, developer, head contractor, ATTMA or AIVAA, GSAP and the relevant subcontractors.

A major defect is defined as one in which it is necessary for the design team to provide input for proper remediation.

Documentation Requirements:

Project teams wishing to pursue this Market Transformation point are required to provide the following documentation:

  • Evidence that additional leakage diagnostics were conducted to document air leaks found during testing
  • Evidence that air leaks were traced back to the design and reported to either an ATTMA or AIVAA catalogue for publication for industry advancement.  Report contributions to include:
    • Photographs of defects, and
    • Design details 
  • Evidence that at least one major defect was rectified
  • Record of acknowledgement of the rectification process by the designer, builder, and relevant subcontractors
  • All compliance requirements to meet credit requirement 2.2 Building Commissioning
  • A copy of this FAQ

Rating Tools

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

  • Green Star - Design & As Built v1.1 / Innovation
  • Green Star - Design & As Built v1.2 / Innovation
  • Green Star - Design & As Built v1.3 / Innovation


These FAQs are:

  • provided as additional technical assistance for Green Star users.
  • optional and free to use on Green Star projects.

When used on Green Star projects, make sure to:
  • state the FAQ number on the Submission Template.
  • click on "Download" to save the FAQ.
  • include the PDF in the submission.

The GBCA reserves the right to add or remove FAQ at our discretion.

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