Drain Water Heat Recovery Efficiency

By transferring some of the heat from the drain water to the incoming water through a heat exchanger reduced energy is required.

Drain water heat recovery efficiency.

Dwhr systems operate on the principle of heat exchange between the incoming cold water supply. A significant portion of the heat from the drainwater is. The well known international focus on energy sustainability and the impact of climate change has. Without storage capacity you ll only have useful energy during the simultaneous flow of cold water and heated drain water like while showering.

Flexibility a drain water heat recovery system. Efficient drain water heat recovery in horizontal domestic shower drains 1. Drain water heat recovery saves energy simple systems have speedy payback the energy department estimates that energy losses in hot water amount to 80 to 90 a good argument for installing a drain water heat recovery dhr system. Benefits energy savings a typical drain water heat recovery system can reduce your water heater s energy consumption by up to 25.

Drain water heat exchangers can recover heat from the hot water used in showers bathtubs sinks dishwashers and clothes washers. Extend the life of your water heater since the cold water entering your water heater is pre heated by the drain water.