Newly certified Manufacturers Certification criteria
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Heat recovery systems

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Drain water heat recovery systems use the heat of outgoing wastewater to preheat incoming freshwater. This is one of the few ways to reduce the energy needed to heat water without sacrificing comfort. For more on passive heat recovery from wastewater, see Passipedia.
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Nominal efficiency

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ShapeEfficiency classNominal efficiencyDead timeFlow ratePressure lossDrinking waterWaste waterClimate zonesDate certified

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