Building services, including property drainage
- Balanced flue systems
- Catalysts for firing systems
- Central heating appliances
- Chimneys
- Chimneys for liquid and gaseous fuels
- Cross-sectional reductions for chimneys
- Dust separators for firing systems
- Fittings, components and thermal insulation products for chimneys
- Flue gas heat exchangers
- Heating appliance accessories
- Single-room heating appliances
- Thermal insulation products for heating appliances
- Safety devices with differential pressure monitoring for combined operation of ventilation systems and non-room-sealed heating appliances
- Safety devices with position monitoring for combined operation of ventilation systems and non-room-sealed heating appliances
- Single-room ventilation units in accordance with DIN 18017-3
- Supply and exhaust ventilation units
- Ventilation units with heat pump
- Ventilation units with heat recovery