Heating installations, ventilation installations, air-conditioning installations and purification installations (environment); electric air refreshment systems for rooms; humidifying apparatus and humidifying installations; nebulizing apparatus and nebulizing installations; air treatment devices; air treatment devices for disinfecting rooms, products or crops; air-humidifying apparatus; air-humidifying installations; air-humidifying systems; parts for the aforesaid goods, not included in other classes.

Building construction, construction services, installation, repair and maintenance of heating installations, ventilation installations, air-conditioning installations and purification installations (environment), electric air refreshment systems for rooms, humidifying apparatus and humidifying installations, nebulizing apparatus and nebulizing installations, air treatment devices, air treatment devices for disinfecting rooms or products or crops, air-humidifying apparatus, air-humidifying installations, air-humidifying systems and parts for the aforesaid goods; technical consultancy relating to the use of heating installations, ventilation installations, air-conditioning installations and purification installations (environment), electric air refreshment systems for rooms, humidifying apparatus and humidifying installations, nebulizing apparatus and nebulizing installations, air treatment devices, air treatment devices for disinfecting rooms or products or crops, air-humidifying apparatus, air-humidifying installations, air-humidifying systems and parts for the aforesaid goods; consultancy and information regarding the aforesaid services, including via electronic networks such as the internet.