11
Air purifying apparatus and machines; Air purification installations; Air purifying units for commercial use; Air purifying units for household use; Separators for purifying air; Air filtering installations; Air freshening apparatus; Air deodorizing apparatus; Air humidifying apparatus; Air humidifying installations; Filters for air purifiers
37
Installation, maintenance and repair of air-conditioning apparatus; Installation of environmental control systems; Installation of environmental engineering systems; Repair of air filtering apparatus; Installation, maintenance and repair of air purification apparatus and machines; Installation, maintenance and repair of air purifying units; Providing information relating to the repair or maintenance of air conditioning apparatus; Providing information relating to the repair or maintenance of air purification apparatus and machines
40
Air treatment; Air purification; Air freshening; Air deodorizing; Regeneration of air; Rental of air purification apparatus; Rental of air-conditioning apparatus
42
Environmental assessment services; Environmental hazard assessment; Environmental monitoring services; Environmental testing; Compilation of information relating to environmental conditions; Technical consulting in the field of environmental engineering; Consultancy services relating to environmental planning; Space planning [design] of interiors; Services for the planning [design] of offices; Monitoring of activities which influence the environment within buildings; Technical air quality monitoring services including analysis and testing of air quality; Analysing of air in building environments; Air flow measurement services; Air flow biochemical analysis services; Air flow component testing services; Air quality data collection services; Providing temporary use of online, non-downloadable computer software for use in air quality monitoring applications; Providing temporary use of online, non-downloadable computer software for remote control of air purifying apparatus