Air delivery apparatus for heating buildings; Air heating apparatus for agricultural use; Air heating apparatus for commercial use; Air heating apparatus for industrial use; Air heating apparatus for residential use; Air heating furnaces; Air heating installations for agricultural use; Air heating installations for commercial use; Air heating installations for industrial use; Air heating installations for residential use; Apparatus for domestic heating purposes; Apparatus for gas fired heating installations; Apparatus for heating; Apparatus for space heating; Apparatus for the space heating of commercial premises; Apparatus for the space heating of offices; Apparatus for the space heating of rooms; Apparatus for the space heating of rooms in commercial premises; Appliances for heating; Automatic temperature regulators (valves) for central heating radiators; Central heating apparatus; Central heating installations; Central heating radiators; Closed circuit heating installations; Coils being parts of heating installations; Combined heating and air conditioning apparatus; Control devices (thermostatic valves) for heating installations; Control units (thermostatic valves) for heating installations; Domestic central heating appliances; Domestic heating apparatus; Domestic heating appliances; Electric central heating boiler systems; Electric heating apparatus; Electric heating apparatus for household purposes; Electric heating apparatus for use in industry; Electric heating appliances, other than for medical use; Electric heating elements; Electric heating filaments; Electric heating installations; Electric radiant heating apparatus; Electric strip heating units; Electrical appliances for heating; Electrical heating installations; Electrical installations for heating; Electrically operated apparatus for heating; Electrically operated appliances for heating; Floor heating apparatus; Flues for heating apparatus; Furnaces for central heating; Gas boilers for central heating; Gas fired heating apparatus; Gas fired heating installations; Gas fired space heating apparatus; Gas fired space heating installations; Gas fuelled central heating installations; Heat exchangers for central heating purposes; Heat regulating devices (valves) being parts of heating installations; Heating apparatus; Heating apparatus for use in the home; Heating apparatus incorporating flues; Heating apparatus, electric; Heating elements; Heating filaments, electric; Heating furnaces, other than for laboratory experiments; Heating installations; Heating installations for gas; Heating installations for industrial use; Heating units; Home heating installations; Hot air heating apparatus; Humidifiers for central heating radiators; Industrial heating apparatus; Industrial heating installations; Installations for central heating; Installations for heating; Installations for the heating of air; Residential heating units; Solar energy collectors for heating; Solar energy powered heating apparatus; Solar energy powered heating installations; Solar heating apparatus; Solar heating installations; Solar heating panels; Solar panels for use in heating; Solar thermal collectors (heating); Solar thermal collectors for heating; Solenoid controls for automatically operating; valves (parts of heating installations); Space heating apparatus; Temperature control apparatus (thermostats, other than valves) for central heating installations; Temperature control apparatus (valves) for central heating radiators; Temperature control valves (parts of central heating installations); Temperature controllers (valves) for central heating radiators; Temperature controlling apparatus (valves) for central heating radiators; Temperature sensitive controls for automatically operating valves (parts of heating installations); Thermal controls (valves) for central heating radiators; Thermal radiators for the heating of buildings; Thermal storage apparatus (solar energy) for heating; Thermal storage instruments (solar energy) for heating; Thermostatic control valves for central heating radiators; Thermostatic valves (parts of heating installations); Air cooling apparatus; Air delivery apparatus for cooling buildings; Air processing (cooling) apparatus; Cooling apparatus; Cooling appliances and installations; Cooling elements; Cooling installations and machines; Cooling installations for refrigerating; Electric cooling apparatus; Evaporative cooling apparatus; Evaporative cooling towers; Installations for cooling; Installations for the cooling of air; Air delivery apparatus for ventilating buildings; Apparatus for ventilating; Dampers for ventilating installations; Electrical appliances for ventilating; Electrical installations for ventilating; Filters for use with apparatus for ventilating; Flues for ventilating apparatus; Hoods for ventilating apparatus; Installations for ventilating; Residential ventilating units; Ventilating apparatus; Ventilating fans; Ventilating hoods; Ventilating installations; Ventilating instruments; Ventilating units; Air conditioning apparatus; Air conditioning apparatus for agricultural use; Air conditioning fans; Air conditioning filters; Air conditioning installations; Central type air conditioning apparatus; Electrical fans being parts of household air conditioning installations; Electrically powered air blowers for air-conditioning purposes; Extractors (ventilation or air conditioning); Fans (air-conditioning); Filters for air conditioning; Filters for use with apparatus for air conditioning; Hoods for air conditioning apparatus; Humidification apparatus for use with air conditioning apparatus; Installations for air conditioning; Residential air conditioning units; Ventilation (air conditioning) installations for buildings; Ventilation (air-conditioning) installations and apparatus; Air driers; Air reheaters; Air drying apparatus; Drying apparatus; Apparatus for desiccating; Refrigerators; Air filtration installations; Electric cooling fans; Electric fans for ventilation; Electrical fans being parts of household ventilation installations; Electrically powered fans for ventilation purposes; Fans (parts of air conditioning installations); Fans being parts for air conditioning installations; Electrically powered air blowers for ventilation purposes; Electrically powered blowers for dust extraction from the air; Air cleaning filters (parts of air cleaning machines or installations); Filters being parts of household installations; Filters for cleaning air; Ventilation apparatus; Ventilation hoods; Ventilation installations

Central heating installation; Heating equipment installation; Heating equipment installation and repair; Installation of apparatus for heating; Installation of central heating; Installation of heating apparatus; Maintenance and repair of heating; Installation of apparatus for ventilating; Air conditioning apparatus installation and repair; Installation of apparatus for air-conditioning; Maintenance and repair of drying apparatus; Electric appliance installation and repair; Electrical apparatus installation; Maintenance, installation and repair of industrial apparatus and instruments; Repair, maintenance and installation consultancy services; Advisory services for maintenance; Building maintenance; Machinery installation, maintenance and repair; Maintenance and repair of buildings; Maintenance and repair of cleaning apparatus; Maintenance of domestic refrigeration; Maintenance of drying installations