Author: Harry Mohr

Number of the month

5,000,000 Currently, around five million houses in Germany are older than 60 years. This corresponds to almost a quarter of the total number of approximately 19 million owner-occupied homes in Germany. Incidentally, according to data […]

Read more

Number of the month

25 kWh/(m²*a) – kilowatt hours per square meter per year – is the lowest and therefore most energy-efficient value on German energy performance certificates. It represents the minimum for the final energy demand as well as the primary energy demand of a house […]

Read more