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Approaching Net-Zero Energy in Existing Housing
CMHC defines "net-zero energy housing" as a home that produces as much energy as it consumes annually. This research looks at existing homes of different types and ages in various climatic regions across Canada in an effort to determine the technical feasibility of retrofitting to achieve net-zero energy consumption. Building envelope upgrades are critical, with photovoltaic (PV) systems, high-performance windows, and high-efficiency heating and ventilation equipment also contributing to savings. Some existing houses could be transformed to net-zero energy. The methods and costs are outlined in the report.
Vers une consommation énergétique nette de zéro dans les maisons existantes
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