Body and mind are already longing for the warming rays of the sun. In his blog entry Mr Michael Herbek explains what to keep in mind while ventilating heated rooms.

Lately the weather has done nothing but kick up the wind, with the stormy days scarcely an invitation to spend time outdoors.Healthy air is an essential factor for our well-being, our health and, consequently, for a high quality of life.

That’s why it is especially important to ensure good quality and healthy air within your own four walls

With a few cleverly implemented measures, in the cold months you can thoroughly save on energy in older residential buildings as well.

Doing something together for climate protection is very easy; get involved and reduce your CO2 output by 1 kg per week.