Member Knowledge Centre
member Knowledge centre
The Knowledge Centre provides CHBA members with access to information and resources. It is a growing resource that is currently focused on updating members about national building code information. Please note that this information is a benefit of your membership, and should not be shared beyond your company/organization.
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This information is provided by CHBA for informational purposes only and cannot be used as an official or authoritative document.
Task Group (TG) on Energy and Emissions Performance of Small Buildings
Task Group (TG) on Energy and Emissions Performance of Small Buildings
January 14, 2026
As this was the first meeting of this TG, administrative tasks were covered (definition of consensus, work plan, etc.)
A technical overview of the NBC 2025 and NECB requirements was presented. A question raised was whether having two paths (NBC and NECB) creates unnecessary complexity or whether it appropriately accommodates diverse building types and equipment. CHBA noted that having both options was favourable for code users and builders, especially for residential builders who are familiar with the NBC. Other participants noted the fact that some jurisdictions (e.g., Yukon, NWT) do not adopt NECB at all, which complicates any shift toward a single path.
NRC presented modelling comparing NBC 2015 with NECB 2017. The earlier work developed twelve archetypes representing different small-building forms. While useful, the results are outdated because the 2025 code cycle has introduced new requirements (including operational GHG provisions). The earlier modelling also did not account for HVAC and water-heating variations, which will be essential this cycle. For the next meeting, members were asked to prepare suggestions for archetypes and key variables to be modelled.
For more information, please contact alex.bols@chba.ca