Heat Recovery Systems

Drain water heat recovery systems uses the heat of the waste water to preheat the fresh water. 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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Name	Efficiency Class	Nominal Efficiency	Dead Time	Flow Rate	Pressure Loss	Drinking Water	Wastewater	Climate zones	Location/Avaliability	Date certified
Component Manufacturer
Easyfit 1200 Counter Flow Products B. V.	phB	50%	15 s	8 l/min	0.2 bar	Rp 1/2" male	DN 50	Independent	NL \| AT \| BE \| CZ \| DE \| ES \| FR \| HU \| LU \| NO \| SK	Dec 2023
ES-Drain Herwin-Energie BV	phB	50%	5 s	8 l/min	0.17 bar	1/2"	DN 50	Independent \| Cool, temperate	Netherlands (NL)	Mar 2018
HR tube 1-17 Technea	phA	63%	5 s	8 l/min	0.21 bar	Rp 1/2" female	DN 50	Independent	Netherlands (NL)	Dec 2023
HR tube 1-21 (Turbo Rotator) Technea	phA	68%	5 s	8 l/min	0.29 bar	Rp 1/2" female	DN 50	Independent	Netherlands (NL)	Dec 2023
Joulia Inline 5P-630 joulia sa	phC	41%	5 s	8 l/min	0.28 bar	1/2"	DN 50	Cool, temperate	CH \| NL \| BE \| AT \| DE	Dec 2020
Joulia Twinline 10P-830 LF joulia sa	phB	60%	5 s	8 l/min	0.26 bar	1/2"	DN 50	Cool, temperate	CH \| NL \| BE \| AT \| DE	Dec 2020
Recoup Easyfit+ Recoup Energy Solutions Ltd.	phB	50%	15 s	8 l/min	0.2 bar	Rp 1/2" male	DN 50	Independent	GB \| IE	Dec 2023
Recoup pipe HEX RD Recoup Energy Solutions Ltd.	phA	63%	5 s	8 l/min	0.21 bar	Rp 1/2" female	DN 50	Independent	GB \| IE	Dec 2023

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