In 1989 the "Advanced House" was constructed in Brampton, Ontario as an example of leading-edge energy-efficient and environmentally responsible housing . It is part of Canada's contribution to the International Energy Agency Task XIII Advanced Solar/Low Energy Residential Buildings, which examines innovative methods of reducing residential energy consumption.
The energy consumption for heating has in many countries been greatly reduced over the last few years. This is mostly achieved by the use of traditional energy conservation and solar technologies. The total energy consumption, especially in residential buildings, is, however, still large and warrants considerable effort. To obtain a significant further reduction in the energy consumption for heating, and also to reduce the consumption for cooling, ventilation, and lighting, it has become necessary to develop new building concepts.
As part of a project financed by the National Foundation for Energy Research (NEFF), the Building Services Section at the EMPA examined the thermal behaviour of one building, with zero energy demands, located in a low energy housing estate in Waedenswil on the border of the lake of Zuerich. The estate was initiated by Dr. R. Kriesi who also made the energy concept. The architect was R. Fraefel and the estate was financed also by the government of Zuerich. The measures taken in order to reach a minimal heating demand in the chosen zero energy test house were as following:
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