Drain water heat recovery (DWHR) is a relatively simple technology to reuse household hot water energy and to prolong the availability of hot water during periods of high demand or continuous use. In 2007, CMHC completed a study (07-116 Canada Mortgage and Housing Corporation, 2007) on this technology. CMHC explains that DWHR units take advantage [...]

The following post is from Rob Cradock (cradock@shaw.ca) This article talks about the personal experience of the author with a tankless water heater over the last ten years. What is a tankless water heater? As the name suggests, a tankless water heater provides hot water without the use of a storage tank. Also called an [...]

When analyzing home energy use, we always look in three areas: Domestic hot water – energy used to heat water for day to day use in baths, showers, washing, etc. Space heating/cooling – energy used to heat or cool the home. Appliances – energy (usually electric) used for lighting, appliances, and mechanical. A typical Canadian [...]