Air-conditioning and ventilation device for use in building, has base plate and covering plate composed of frame, openings or slots formed on lower frame wall as air passages, and connection opening formed in base plate

摘要

The device has a base plate (10) on which a light-absorbing layer is applied, and a covering plate arranged at a distance from the base plate by bars or by an intermediate plate with curved or polygon-shaped profile. The covering plate is manufactured from translucent material. The base plate and the covering plate are composed of a frame including side walls, an upper frame wall and a lower frame wall. Openings or slots are formed on the lower frame wall as air passages. A connection opening (13) is formed in the base plate.