11
Heating, ventilating and steam generating apparatus and installations, and components therefor, included in class 11; Heating systems and installation using alternative kinds of energy; Air-conditioning apparatus and installations; Refrigerating apparatus; Drying installations; Water supply and sanitary apparatus and installations; Heat storage apparatus; Air filtering installations; Filters for ventilating, air conditioning and air purifying apparatus; Filters for air conditioning; Air humidifying installations; Air dehumidifying apparatus; Driers (Air -); Ventilation apparatus and installations; Systems, apparatus and installations for ventilating, air conditioning, air purifying, heat recovery, humidifying and dehumidifying purposes; Radiators; Heating/cooling radiators, heating/cooling convectors; Panel radiators; Heated towel rails; Solar collectors and heating systems; Installations for generating thermal energy from solar collectors; Heat exchangers, not parts of machines; Exhaust gas, air and water heat exchangers and systems; Heat pumps; Heat regenerators; Heat/moisture exchangers (enthalpy exchangers); Hot water cylinders; Pressure water tanks; Water heaters; De-icing apparatus and installations; Electric heating apparatus and installations, electric heating cartridges and cartridge heaters; electrical installations for refrigerating; Electric cooling cartridges; Electric cartridge coolers