General/standards/laws
Legal aspects of room ventilation, the German Energy Savings Regulation (EnEV), DIN standard and regulations.

Since the first Energy Saving Regulation (EnEV) came into force in 2002, residential buildings have been considered in a holistic manner: building and installation engineering are supposed to form a reasonable whole. The primary energy demand required for heating, ventilation and drinking water heating has been restricted by the lawmaker and the limiting values have been tightened several times in the meantime. Details

According to the Energy Savings Regulation (EnEV), en terms of convenience ventilation systems with heat recovery via a cross counterflow heat exchanger, for example, a heat supply rate of 80% can generally be taken into account. Details

The amount of air to be supplied to the house and discharged from it is defined in compliance with DIN 1946-6, depending on the surface area and the number of persons. An air exchange rate of 0.4 can always be applied as a general value for the design of the ventilation unit for flats and detached houses. Details

The supply air usually flows from the “supply air room� through the hallway, entrance or corridor (cross section rooms) to the exhaust air rooms, such as bathroom, WC, kitchen. Details


Pluggit, the German specialist and technological leader for residential ventilation with heat recovery has experienced solid development in recent years, which has led to a significant increase in market share. Key success factors contributing to Pluggit’s market leadership position are its innovative strength and excellent access to the market. In order to further enhance growth and to ensure a winning position in the race for innovation, the shareholders of Pluggit entered, advised by Altium Capital AG, into a process to find a new but strategic partner.
DetailsThe Pluggit room ventilation systems. With Pluggit refresh, you can install the entire fresh air system in an existing flat.
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