The HeatSnagger

  The HeatSnagger is a basic drain water heat recovery unit for a shower cabinet. The focus of the design has been a good price-performance ratio. Inside the HeatSnagger you …

DWHR Test Lab

To verify the performance of the first prototypes of our DWHR product, we built a test setup in the basement of Arthur’s house. Its main components are an electric hot …

Filed for DWHR Patent

Before the summer we found the time right to send in our patent application to the Patent Office. It will be some time before we can anticipate the approved Patent. …