Hot water – at less cost

About half the energy consumed in households is used to heat water for showers and baths.  

With energy prices soaring, the demand for innovative systems that can keep bills down is rising.  

That’s where our new Drain Water Heat Recovery system, commercialised in France, comes in.  

This ground-breaking solution was first invented by a tech company in Portugal with which we partnered to bring the solution to market.   

The system preheats cold water as it moves towards the mixer tap, using a type of radiator that captures heat from the warm drain water that would normally go to the sewage network. It’s a passive system using gravitation, without the need for additional energy, and the exchanger uses a double layer of copper tubes to make sure clean and drain water never mix.  

We estimate the system, already available in France and soon to go on the market in the UK and Spain, will save households enough on bills to pay back their investment in an average of five years, while contributing to a less carbon intense world. 

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