Air conditioning apparatus for commercial buildings; Air conditioning apparatus for commercial use; Air conditioning apparatus for industrial use; Air conditioning apparatus for office use; Air conditioning apparatus for public buildings; Air conditioning apparatus for residences; Air conditioning apparatus for residential use; Air conditioning apparatus for stores; Air conditioning apparatus for use in clean rooms; Air conditioning apparatus for use in food processing; Air conditioning apparatus for use in operating theatres; Central type air conditioning apparatus; Combined heating and air conditioning apparatus; Domestic air conditioning apparatus; Hoods for air conditioning apparatus; Humidification apparatus for use with air conditioning apparatus; Louvres being air conditioning apparatus; Air inductor apparatus (ventilation); Apparatus for exhausting fumes (ventilation); Apparatus for exhausting gases (ventilation); Apparatus for exhausting mists (ventilation); Electric fans for ventilation; Electrical fans being parts of household ventilation installations; Extractors (ventilation or air conditioning); Motorised fans for ventilation; Ventilation grilles being parts of extractor fans; Linear air diffusers; Supply air diffusers; Coils (parts of distilling, heating or cooling installations)