ᐅ Proper ventilation for the oil heating system must be ensured.

We are installing an oil heating system in our house. The chimney sweep has stated that regular ventilation from the outside to the inside must be ensured, meaning a hole in the exterior wall or the basement window. The heating installer says this is incorrect because cold air should not be introduced into the basement, as it increases the heating system’s energy consumption. He therefore suggested a connection, meaning a grille in the boiler room door so that the adjacent room is also used. For a heating system with 22 kW, this would be sufficient. The chimney sweep says this is not enough. Can anyone provide information on this, and where to find guidelines on such regulations? I have found out that these requirements vary from region to region. We are located in the Taunus area (Hessen).

You won’t be able to argue with the chimney sweep; they have full authority in their area. Try negotiating a compromise by arranging a duct.

What do you mean by a channel? From where to where?

Outdoor air supply for heating systems can be provided either through an opening with a fly screen in the glazing of the basement window (these glass panels are available as standard products) or via a ventilation duct, meaning a breakthrough through the basement wall to the outside and a duct (PVC pipe or similar) extending to ground level or led sideways into the window well. The end must be fitted again with a fly screen.