Bulletin
![Builder Insight 07 - Energy Performance Requirements](https://www.bchousing.org/sites/default/files/styles/mobile_x1_560px_/public/rc-guide/2022-04/Builder-Insight-07-Energy-Performance-Requirements-Building-Enclosure.png?itok=jWU1T0Te)
This bulletin describes the energy performance requirements for a building envelope in accordance with either ASHRAE 90.1-2010 or 2011 NECB standards for new multi-unit residential buildings. It gives building designers a range of approaches, options, and design tools to address the energy performance of buildings.