Heating installations; air-conditioning installations; purification installations in the nature of air purification units; electric air refreshment systems for rooms, namely, air filtering installations; humidifying apparatus and humidifying installations in the nature of humidifiers; nebulizing apparatus and nebulizing installations, namely, fogging machines for food preservation; air treatment devices in the nature of ionization apparatus for the treatment of air; air treatment devices, namely, apparatus for disinfecting rooms, products or crops; air humidifying apparatus; air-humidifying installations; air-humidifying systems; replacement parts for the aforesaid goods, not included in other classes

Building construction; building construction services, installation, repair and maintenance of heating installations, ventilation installations, air-conditioning installations, purification installations, electric air refreshment systems for rooms, humidifying apparatus, humidifying installations, nebulizing apparatus, nebulizing installations, air treatment devices, air humidifying apparatus, air-humidifying systems and parts for the aforesaid goods; Technical consultancy relating to the use of heating installations, ventilation installations, air-conditioning installations, purification installations, electric air refreshment systems for rooms, humidifying apparatus, humidifying installations, nebulizing apparatus, nebulizing installations, air treatment devices, air-humidifying apparatus, air-humidifying systems and parts for the aforesaid goods; Consultancy and information regarding the aforesaid services, including via electronic networks such as the Internet