EnerGuide Rating System Open Data

These datasets provide information collected through EnerGuide Rating System (ERS) residential energy efficiency evaluations. Data is provided by calendar year, at the Forward Sortation Area level (FSA, the first 3 digits of the postal code) for files since 2004. Home energy efficiency evaluations are performed by independent service organizations (SOs) and their registered Energy Advisors (EAs) using Natural Resources Canada’s (NRCan) HOT2000 software to simulate the annual energy consumption of a home, as well as the impact of recommended upgrades. EAs perform tests and collect data about the home to populate an energy model and create a HOT2000 file, which is submitted to NRCan. The ERS database includes existing housing assessments (pre retrofit (D files), post retrofit (E files)), and evaluations for new homes (plan files (P file) and as-built houses (N files)). This dataset includes over 400 fields of home specific information (e.g. heating equipment fuel type, number of doors, etc.) available at the FSA level. Note that NRCan initiatives (ERS for existing and new homes) are voluntary, and may be affected by self-selection bias. Data is based on homes that received an…

Publisher

Environment and Climate Change Canada

Resources

23

Updated

2026-08-29