As of January 1st, 2022 for Part 9 buildings (≤600 m² 4 storeys or less)
*Residential windows and sliding glass doors manufactured after January 1, 2022, to have a minimum rating of:
- USI-value ≤ 1.61 W/(m2K)
BC_ New Energy Performance Standards for Windows Manufactured after January 1, 2022 (letter to Fenestration Canada from the BC Energy Efficiency Standards Branch
Click HERE to read the regulatory bulletin from the BC Energy Efficiency Standards Branch