Welcome to The EnerGuide Housing Glossary:
Your free online encyclopedia that explains, educates and clarifies everything you always wanted to know about home energy efficiency and energy performance. Just click on the alphabetized glossary below to find helpful terms and definitions. You can also visit Keeping The Heat In to learn more about building science and home retrofit projects such as insulation and air sealing improvements.
The EnerGuide Housing Glossary is created and maintained by the experts at Natural Resources Canada's (NRCan) Office of Energy Efficiency.