7
Heat exchangers [parts of machines]; Heat recovery devices [parts of machines]; Piston rings for heat pumps; Compressors for air conditioning apparatus
9
Heat regulating apparatus; Apparatus for monitoring heat consumption; Remote control apparatus for air conditioning installations; Measuring and control devices for air conditioning technology
11
Recuperators for pre-heating combustion air in heating systems by the use of hot flue gas; Recuperative gas furnaces; Heat exchangers, other than parts of machines; Shell heat exchangers; Heat exchangers for fireplaces; Heat exchangers for the removal of exhaust gases; Heat exchangers for the removal of flue gases; Heat exchangers for central heating purposes; Fans [air-conditioning]; Mobile air conditioning apparatus; Motorised fans for air conditioning; Ventilation [air-conditioning] installations for vehicles; Heating, ventilating, and air conditioning and purification equipment (ambient); Air-conditioning installations; Air-conditioning apparatus; Central air conditioning installations; Central heating apparatus; Heating apparatus; Installations for central heating; Electrical heating elements; Hot air heating apparatus; Domestic heating utensils; Heating installations [water]; Underfloor heating apparatus and installations; Steam heating apparatus; Electric space heaters; Heat sinks for use in heating apparatus; Extractor fans; Aeolian ventilators; Roof fans; Room air fans; Radial air fans; Ventilating exhaust fans; Suction ventilators; Axial fans; Electrically powered fans for ventilation purposes; Table fans; Fan heaters; Electric window fans; Ventilating fans for use in vehicles; Fire ventilators for exhausting vapours; Chimney blowers; Portable electric fans; Ventilators for automobiles; Electric bladeless fans; Ventilators for heat exchangers; Ventilating fans; Ventilating fans for industrial use; Ventilating fans for household use; Range hoods; Chimney extractors; Ventilation hoods; Exhaust hoods [cooker hoods]; Installations for air extraction; Heat pumps; Heat regenerators; Heat accumulators; Heat exchangers [for chemical processing]; Air heat recovery installations