Airfi Model 53 mini and Model 150 heat recovery units on a blue plinth

Photo: Mariusz Młynarczyk / CloudAir.tech

White residential heat recovery units from Airfi line up on a navy plinth, including the "Model 53 mini", the "Model 150" with an energy label and an opened unit exposing its heat exchanger and controls. "2+4 warranty" stickers, a brochure rack showing the Airfi C5 and wooden slats frame the display.