1. Energy efficiency trends in Canada, 1990 to 2007;Natural Resources Canada's Office of Energy Efficiency,2010
2. Energy use data handbook, 1990 to 2007;Natural Resources Canada's Office of Energy Efficiency,2010
3. Comprehensive energy use database tables: residential sector British Columbia – table 2: secondary energy use and GHG emissions by end-use (2003–2009);Natural Resources Canada's Office of Energy Efficiency,2010
4. Comprehensive energy use database tables: residential sector British Columbia – table 5: space heating secondary energy use and GHG emissions by energy source (2003–2009);Natural Resources Canada's Office of Energy Efficiency,2010
5. Comprehensive energy use database tables: residential sector British Columbia – table 5: space heating secondary energy use and GHG emissions by energy source (1990–1996);Natural Resources Canada's Office of Energy Efficiency,2010