For today's insulating and sealing values of buildings and windows, proper ventilation is very important, for changing the used air and reducing air humidity.

In order not to waste energy unnecessarily during ventilation, you should follow a few important rules or use innovative window technology. With the targeted application of a window gutter fan, the humidity in the rooms can be controlled and directed to the outside. A smart way to save energy.
The ClimaTec 76 ventilation mechanism, designed for the Kömmerling 76 centre-seal PVC window system, sits concealed in the frame rebate. Almost imperceptible, yet effective: it provides controlled air exchange without manual ventilation and requires no power supply. With ClimaTec 76 the humidity in the room can be regulated. The risk of mould forming is reduced to a minimum. At the same time, the ClimaTec 76 ventilation system automatically adjusts to the pressure that arises during strong gusts of wind. Furthermore, it goes without saying that it complies with energy-saving requirements as well as DIN and EU regulations on living-space ventilation, noise protection and protection against driving rain.
Our greenline principle: energy-efficient window systems, stabilizers in fresh material without the participation of lead and an intelligent recycling concept, provide an additional plus for the longevity of the profile.