Heat recovery ventilation unit HRU-PremAir is a modern device with 500 m³/h air flow @ 100 Pa and constant flow (CF) system. Unit is made from cutting edge materials – aluminium heat exchanger and EPP self-supporting casing. The device operation is controlled by an advanced PCB with wireless communication between control panels and sensors. In addition, the HRU-PremAIR can be connected to the Internet and controlled by a mobile application.