Brofer BRK 800 heat recovery unit with raised lid and lit interior

Photo: Mariusz Młynarczyk / CloudAir.tech

A Brofer "broferpura" BRK 800 ventilation unit stands on a black plinth with its top panel lifted on posts, exposing a violet-lit interior. A wall-mounted controller sits on the lid, "making air better" brochures lie in front, and a blue LED wall with data graphics fills the background.