The chamber is built with a load bearing galvanised profiles structure; floor is composed of MDF panels with linoleum covering, gypsum plasterboard walls, safety glass and a moving plasterboard ceiling. Its exterior measurements are 4,78 metres width, 6,00 metres length and 3,55 metres height. 

It is lifted 0,55 metres over the floor and the interior free height can vary from 2,00 metres to 3,00 metres. Two of the walls are transparent and it has two entrances located in opposed corners. It is accessible from the outside on two sides with the aid of a footbridge. 

Its main use is the support of ventilation in residential buildings researches. It is capable of calculating and solving different real design problems and it is the basis for numerical studies.