ENERGY STAR Confirms Version 4.0 Light Commercial HVAC Specification

As members may be aware, on February 16, 2022, Natural Resources Canada invited industry stakeholders to submit comments on the final draft specification for cold climate criteria for light commercial HVAC products.

No comments were received during the comment period and on May 2, 2022, NRCan sent a communiqué confirming the ENERGY STAR Version 4.0 Light Commercial HVAC Specification.  The Version 4.0 requirements will be effective on January 1, 2023.

Members can read the updated specification and related materials on the ENERGY STAR Light Commercial HVAC Specification Development website.

If you have any questions specific to the Version 4.0 requirements, please direct them to Caroline Côté, Senior Account Manager, at

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