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Drain water heat recovery (DWHR) is an established energy-saving technology. It consists of copper tubes wrapped around a copper drain pipe. The waste water from your shower flows down the copper drain pipe, clinging to the inner surface as a very thin film. At the same time, cold fresh water travels up through the wrapped copper tubes. The heat in the waste water travels safely and efficiently through the copper and into the cold fresh water. Numerous utilities and governments across North America offer financial incentives for home-owners who purchase DWHR systems.
The Power-Pipe® is manufactured and sold by Renewability Energy. It has been extensively tested by Natural Resources Canada (CANMET) and the University of Waterloo. Power-Pipe® delivers top performance with no noticeable loss in water pressure.
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