11
Air cooling apparatus; Air-conditioning installations; Air-conditioning apparatus; Cooling installations for water; Cooling installations and machines; Cooling appliances and installations; Fans [air-conditioning]; Fans for ventilating; Air conditioning fans; Ceiling fans; Fans [parts of air-conditioning installations]; Heat pumps; Heating apparatus; Heating installations; Heating installations [water]; Hot water heating installations; Heating apparatus, electric; Refrigerating appliances and installations; Ventilation [air-conditioning] installations and apparatus; Water chillers; Chiller units being parts of water cooling installations; Convectors [radiators]; Convector heaters; Convection heaters
37
Repair and maintenance of Air cooling apparatus; Repair and maintenance of Air-conditioning installations; Repair and maintenance of Air-conditioning apparatus; Repair and maintenance of Cooling installations for water; Repair and maintenance of Cooling installations and machines; Repair and maintenance of Cooling appliances and installations; Repair and maintenance of Fans [air-conditioning]; Repair and maintenance of Air conditioning fans; Repair and maintenance of Fans for ventilating; Repair and maintenance of Ceiling fans; Repair and maintenance of Fans [parts of air-conditioning installations]; Repair and maintenance of Heat pumps; Repair and maintenance of Heating apparatus; Repair and maintenance of Heating installations; Repair and maintenance of Heating installations [water]; Repair and maintenance of Hot water heating installations; Repair and maintenance of Heating apparatus, electric; Repair and maintenance of Refrigerating appliances and installations; Repair and maintenance of Ventilation [air-conditioning] installations and apparatus; Repair and maintenance of Water chillers; Repair and maintenance of Chiller units being parts of water cooling installations; Repair and maintenance of Convectors [radiators]; Repair and maintenance of Convector heaters; Repair and maintenance of Convection heaters