apparatus for heating, refrigerating, ventilating, namely, refrigerating appliances and installations, ventilating fans for commercial and industrial use, vehicle climate-control system for heating, ventilation and air-conditioning, and air-conditioning, air cooling and ventilation apparatus and instruments; air handling units, namely, air handlers; chillers, namely, blast chillers for commercial food preparation and storage; heat pumps; indoor climate control systems for regulation of ventilation and temperature consisting of air-conditioning, air cooling and ventilation apparatus and instruments; component parts for heating and air conditioning systems, namely, supply and extract air diffusers; climate beams for cooling and heating of air, namely, indoor climate control systems for regulation of ventilation and temperature consisting of air conditioning, air cooling and ventilation apparatus and instruments; cooling and heating induction units, namely, indoor climate control systems for regulation of ventilation and temperature; component parts for heating and air conditioning systems, namely, acoustic louvres being ventilating apparatus with noise reduction functions; acoustic silencers being component parts of ventilation air-conditioning installations; HVAC systems (heating, ventilation and air conditioning); HVAC units

construction, installation, repair, and maintenance of heating, ventilation and air conditioning apparatus and systems; construction, installation, repair, and maintenance of HVAC systems and parts thereof; consultancy and advisory services relating to the construction, installation, repair, and maintenance of heating, ventilation and air conditioning apparatus and systems; consultancy and advisory services relating to the construction, installation, repair, and maintenance of HVAC systems and parts thereof