9
Thermal sensors [thermostats]; Thermal controls [thermostats]; Thermostats; Thermometers; Resistances, electric; Resistances, electric; Electrical resistance coils; Variable resistances; Resistance wires; Anodes; Inductive resistors; Thermostats; Electric thermostats; Thermionic valves; Electric valves [thermionic]; Thermostat wires; Room thermostats; Mechanical room thermostats; Thermostatically controlled valves; Climate control digital thermostats; Climate control digital thermostats; Microelectronic components; Electronic components; Electrotechnical components; Electrical and electronic components; Electrical and electronic components
11
Bathroom heaters; Heating boilers; Boilers being parts of central heating installations; Heating installations; Water heaters for shower baths; Water heaters and boilers; Heat pumps; Air-conditioning apparatus; Solar energy powered heating installations; Solar energy powered heating installations; Burners for heating installations; Kettles; Cooling installations; Cooling installations; Fans [air-conditioning]; Thermostatic valves; Automatic temperature regulators for central heating radiators; Control devices [thermostatic valves] for heating installations; Control units [thermostatic valves] for heating installations
37
Retrofitting of heating, ventilating and air conditioning installations in buildings; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Installation and repair of air-conditioning apparatus; Installation, maintenance and repair of air-conditioning apparatus; Installation of heating installations: installation of ventilation installations; Installation of installations for water supply; Installation of air conditioning installations: maintenance of heating installations; Maintenance of ventilating apparatus; Maintenance of water supply apparatus; Maintenance of air conditioning installations; Repair of heating apparatus; Repair of ventilation installations; Repair in relation to water supply installations