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How
it works
The cold water coming into your house runs through a series of copper coils that are tightly wrapped around a copper drain stack.
As hot drain water passes through the drain, cold fresh water passes up through the copper coils and heat is transferred, pre-heating the cold water before it gets to the water heater.
Drain water never mixes with the fresh water – it’s simply that heat from the drain water is used to pre-heat the incoming water so the water heater has less work to do. Warmer water going into the water tank requires less energy to heat, so energy costs go down.
Retrofit into existing homes
No moving parts so it’s maintenance free
Simple way to save money and help the environment
