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Based on our patent pending technology, the Power-Pipe™ brings you high performance energy savings with ultra-low pressure loss. Few, if any other manufacturer of drain-water heat recovery technology can say that! For several years, we distributed the type of unit that is made by other manufacturers and had too many customer complaints because those units caused pressure problems in homes. This set us on the course to develop the Power-Pipe™.
Now, you or your organization can put the Power-Pipe™ to work for you with confidence!
How the Power-Pipe™ Works
Drain-water clings to the inside pipe wall and falls quickly creating a thin “falling-film” which quickly imparts its heat to the pipe wall. Copper is used for both the inner pipe and outer tube, and its conductivity has a heat transfer rate that is 4-6x greater than other classes of heat exchanger on a surface area basis.
The Power-Pipe™ is an all-copper section of drainpipe. As water falls down a vertical section of drainpipe, it clings to the inner surface in a very thin film. The heat from this film is transferred easily and efficiently to the cold water circulating in the Power-Pipe™ around the outside of the drainpipe.
The incoming cold water is preheated before going into the water heater and plumbing fixtures, saving money and energy while increasing shower-capacity. A sixty inch Power-Pipe™ unit can bring the cold water temperature up from 10 degrees C to as much as 24 degrees C, under equal flow conditions. If it is connected to only the water heater or only the cold water fixtures, the savings is less but the temperature rises up to about 28 degrees C.
Power-Pipe™ raises the temperature of incoming cold water by recycling free heat from wastewater going down the drain. About 90% of all hot water energy goes down the drain, allowing the Power-Pipe™ to recycle as much as 60% of the wasted heat. The more hot water you use, the more energy you save.
The Power-Pipe is completely passive, having no moving parts or heating elements so there's nothing to wear out. Its self-cleaning design assures maintenance-free operation. It will fit into almost any house, replacing a section of drainpipe usually in the basement.
Across all sectors in the Canadian Economy, REI conservatively estimates that DHR can reduce GHG emissions by 10 MegaTonnes/year. Unfortunately, Drain-water (or waste water) has largely been ignored as valuable resource.
Benefits of the Power Pipe include:
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Maintenance FREE and has no moving parts - so there is nothing to break down |
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Will keep you from running out of hot water while showering |
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Will pay for itself in 2 to 5 years |
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Easy to retrofit into almost any home |
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Great for the Environment reducing your home energy consumption by 5-10% |
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Reduces Greenhouse Gas Emissions |
Approvals
The Power-Pipe™ has received government and industry approvals, and it may also be eligible for a variety of utility and government energy conservation incentives.
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ULC approved for use with potable water on the coil side and for black water on the drain side |
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BMEC of Ontario approval with potable water in commercial applications |
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DHR Effectiveness verified by DOE, NRCan and independent university studies |
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Eligible for utility and government energy conservation incentives |
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Applications
The Power-Pipe™ can be used for drain water heat recovery in a multitude of applications. Please follow the links below to find out more about this product.
