The VENTEK 50 recuperator  provides decentralized ventilation with flow rate 15-50m3/h and variable COP  62-75% in dependence of the flow rate.

The unit consists 2 low noise fans, patented heat exchanger made out of polypropylene and assembly body made out of XPS. It is covered by aluminum plate cups.  It can be installed under or over the window structure. The distance between the inlet and outlet openings is 1800mm. Only 24mm gap between the window frame and the wall side is needed for provision of the flow tubes.

The outside cap is designed to split the inlet and outlet air in a distance. It is provided with the width of the window space.