11
Steam generating installations; Apparatus for drying; Sanitary installations; Air-conditioning installations; Apparatus for ventilating; Heating apparatus; Radiators [heating]; Hot air apparatus; Heating apparatus for solid, liquid or gaseous fuels; Thermostatic valves [parts of heating installations]; Heating elements; Heating plates; Expansion tanks for central heating installations; Aeration apparatus; Fans [air-conditioning]; Ventilation [air-conditioning] installations and apparatus; Residential air conditioning units; Fans [parts of air-conditioning installations]; Apparatus and installations for ventilating; Air handlers; Heating, ventilating, and air conditioning and purification equipment (ambient); Solar energy powered heating installations; Heat regenerators
37
Installation services of heating, ventilating, and air conditioning and purification equipment (ambient); Repair and maintenance of heating, ventilating, and air conditioning and purification equipment (ambient); Installation services of personal heating and drying implements; Repair and maintenance of personal heating and drying implements; Installation services of desiccating apparatus; Repair and maintenance of desiccating apparatus; Installation services of filters for industrial and household use; Repair and maintenance of filters for industrial and household use; Industrial construction; Plumbing; Advisory services relating to the maintenance of fixings; Plumbing installation, maintenance and repair; Plumbing installation advisory services; Building construction consultancy