Apparatus for heating, refrigerating, ventilating and air-conditioning, including ventilation and air-conditioning installations, heat pumps, regenerators, ice water units; fan coil units, mixing chambers; radiators; air-purifying, filtering, sterilising, drying and humidifying apparatus; fittings and automatic devices for apparatus for heating, refrigerating, ventilating and air-conditioning, apparatus for purifying, filtering, sterilising, drying and humidifying air, including heat exchangers, fans, refrigerating units, filters, acoustic silencers; heating, refrigerating, ventilation and air-conditioning apparatus and installations; ventilation tubes and ducts, chimney flues, chimneys for heating apparatus; air distribution apparatus; air curtains; except climatic chambers, energy-saving apparatus and systems used in climatic chambers

Import-export agencies, commercial brokerage, wholesale and retail of goods, including apparatus for heating, refrigerating, ventilating and air-conditioning, apparatus for purifying, filtering, sterilising, drying and humidifying air, fittings and automatic devices for apparatus for heating, refrigerating, ventilating and air-conditioning, apparatus for purifying, filtering, sterilising, drying and humidifying air, systems and installations for heating, refrigerating, ventilating and air-conditioning, ventilation ducts, chimney flues, chimneys for apparatus for heating, air distribution apparatus, air curtains; advertising by means of verbal, sound, audiovisual and multimedia methods and computer networks, dissemination, distribution, updating and rental of advertising material; organisation, conducting and providing of advertising campaigns, promotional campaigns, demonstration of goods, presentations; organization of trade fairs and exhibitions for commercial and/or advertising purposes