C02 heat recovery systems for potable water & water heating

For over 12 years DK have been supplying systems for energy harvesting of waste heat from transcritical CO2 refrigeration systems for potable water heating and heating system water.

Over 600 systems are now installed with more than 2,000 double-walled working heat exchangers

In addition to safety and performance through our twin wall design and build experience, DK offers a further guarantee of water safety.

The WESSLING seal confirms that the DK-Heat Recovery system operation is 100% safe and designed to prevent Legionella growth.

No other heat recovery manufacturer has been awarded this coveted Seal of Approval.
Our continuous development of heat exchangers has provided the driving force behind the availability of new highly efficient heat exchangers for modern high-pressure refrigeration