Heating, ventilating, and air conditioning and purification equipment (ambient); Air treatment equipment; HVAC systems (heating, ventilation and air conditioning); Personal heating and drying implements; Drying installations; Burners, boilers and heaters; Refrigerating and freezing equipment; Filters for industrial and household use; Flues and installations for conveying exhaust gases; Gas cleaners and purifiers; Heating apparatus; Heating apparatus and installations; Anti-fog heating devices; Residential heating units; Heating units; Industrial heating apparatus; Industrial heating installations; Combined heating and air conditioning apparatus; Air heating installations; Domestic heating utensils; Refrigerating apparatus; Refrigerating installations; Commercial refrigeration units; Installations for the cooling of air; Heat exchangers for central heating purposes; Heat exchangers, other than parts of machines; Apparatus for ventilating; Aeration apparatus; Ventilating installations; Industrial ventilation apparatus; Ventilation terminals; Residential ventilating units; Extractors; Ventilation installations and apparatus; Filters for use with apparatus for ventilating; Air conditioning apparatus; Air conditioning installations; Central air conditioning installations; Residential air conditioning units; Air conditioning apparatus for industrial use; Air conditioning installations for industrial purposes; Central air conditioning installations

HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Building, construction and demolition; Rental of tools, plant and equipment for construction, demolition, cleaning and maintenance; Repair of heating apparatus; Installation of apparatus for heating; Maintenance and repair of heating apparatus; Installation of heating and cooling apparatus; Advisory services relating to the installation of heating and cooling apparatus; Maintenance and repair of heating; Services for the repair of heat exchangers; Installation of apparatus for ventilating; Maintenance and repair of ventilating apparatus; Installation of apparatus for air-conditioning; Installation and repair of air conditioning apparatus; Refurbishment of air conditioning plant; Installation of air conditioning apparatus for use in clean rooms

Science and technology services; Engineering services; Engineering consultancy services; Engineering design; Testing, authentication and quality control; Design services; Technical design services relating to cooling appliances and installations; Technical design services relating to heating installations; Industrial design; Design of heating; Technical design and planning of heating installations