Fenestration Review

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Energy Star proposed changes available for comment

March 27, 2018  By Patrick Flannery

Natural Resources Canada is circulating proposed changes to the Energy Star standards for residential windows and doors. The changes would constitute a signficant tightening of the standard resulting, NRCan says, in the disqualification of 75 per cent of the Canadian products that presently qualify. 

If approved, the changes would come into effect Jan. 1, 2020.

The two compliance paths, U-factor and ER rating, would remain in place. 

The changes are being proposed as part of NRCan’s efforts to bring the industry into line with the federal government’s Paris Accord commitments to reduce carbon emmissions across the country. 


The deadline to comment is March 30. Comments can be submitted by contacting Steve Hopwood, NRCan account manager for fenestration products at 613-995-6741 or steve.hopwood@canada.ca.

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