Alberta releases variance on EnerGuide Rating System
February 9, 2018
The Alberta government has released a building code variance related to the Natural Resources Canada (NRCan) EnerGuide Rating System (ERS) for new homes.
Due to similarities between ERS version 15 and the 2014 Alberta Building Code Subsection 9.36.5 – energy modeling for code compliance – Alberta Municipal Affairs will allow the rating system to be used for code compliance.
The use of ERS v15 applies only to single detached, semi-detached, row houses and houses with secondary suites. Reduction in process/plug loads is not permitted in modelling.
Annual energy savings must amount to no less than five per cent. Those calculations must be based on Rated Annual Energy Consumption, and any on-site renewable energy contribution is excluded.
Prior to occupancy, the following must be submitted:
- Drawings including envelope assemblies and air barrier details.
- HOT2000 modeling reports for a House with Standard Operating Conditions performed by an NRCan qualified energy advisor.
- An EnerGuide Label and Home Owner Information Sheet (HOIS) approved by NRCan.
According to Alberta Municipal Affairs, allowing ERS v15 certification as a compliance path aligns with the province’s Climate Leadership Plan and the Pan-Canadian Framework on Clean Growth and Climate Change. www.municipalaffairs.gov.ab.ca