REFRESH

Heating, ventilating and air-conditioning apparatus and installations built thereof as well as their essential characteristic parts, namely air distributors, ventilators, fans, blowers, heaters, coolers, condensers, air conditioners, heat accumulators, recuperators, heat exchangers, pipes, air valves and air ducts; heat pumps, solar collectors, solar accumulators

Semi-processed plastic substances, in particular for use in heating, ventilating and air-conditioning apparatus and installations built thereof, namely, semi-processed plastic in the form of films, sheets, tubes, bars, rods, rotors, roof hoods, clamping collars, vanes, filters, gaskets, adapters, and wall penetrations; packing and insulating materials for heating, ventilating and air-conditioning apparatus and installations build thereof; stopping materials in the nature of fire-stopping material, water-stopping material and gas-stopping material; non-metal flexible pipes for heating, ventilating and air-conditioning apparatus and installations build thereof

Construction, repair and installation services, in particular in the field of heating, ventilating and air-conditioning installations in buildings; retrofitting of heating, ventilating and air-conditioning installations in buildings