Apparatus for heating, Heating apparatus, electric, Heating elements, Radiators, Heating elements for bathrooms and fittings for heating elements, Heating installations, Namely underfloor heating, Wall or ceiling heaters; Ventilation and air-conditioning installations, parts for ventilation and air-conditioning installations, namely ventilation apparatus and fans, air-cooling apparatus, air-filtering installations, filters for air conditioning, valves which are parts of installations for heating; Coverings and cladding for heating elements, towel racks for placing on heating elements, radiation screens for heating elements; Regulating and safety fittings for heating installations.;