stale air


Ventilation to combat "stale" air

The German Energy Saving Ordinance (EnEV) has been in force since 2002, and it requires comprehensive planning and construction measures to significantly reduce the primary energy demand for heating in newly constructed buildings and extensively renovated older buildings. This goal is to be achieved primarily by means of energy-saving heating technology and hot water generation, as well as i... read more

The Umweltbundesamt

For our environment