Natural Resources Canada (NRCan) Energy Simulation Tools

Natural Resources Canada has developed and maintains energy simulation tools for low-rise residential buildings. The software was designed to support the EnerGuide Rating System, ENERGY STAR® for New Homes and R-2000 energy efficiency programs. NRCan also supported the addition of Canadian One-Day Ratings to most ICC-SRCC OG-300 system certifications. This value, which is based on the conditions established in the CAN/CSA F379 Series-09 (R2013) – Packaged solar domestic hot water systems standard.