Simple solutions to energy calculations - Vaillencourt, Richard (Fairmont Press, 2001)
The Walk Through Audit -- - Lighting -- - Pumps -- - Fans -- - Motors -- - Insulation -- - Fuel Switching -- - Heat Recovery -- - Heating, Venting, and Air Conditioning -- - Summary of Calculations -- - Energy Myths and Magic: An Examination of Conservation Measures and Calculations -- - Richard's Retrofit Rules