Heating boilers; heating installations; heating installations (hot water -); boiler pipes (tubes) for heating installations; central heating radiators; coils (parts of distilling, heating or cooling installations); flues for heating boilers; heating boilers; heating installations; heating installations (hot water -); heating installations (water); humidifiers for central heating radiators; radiators (heating); solar collectors (heating); thermostatic valves (parts of heating installations)

Central heating installation; heating equipment installation; heating equipment installation and repair; heating equipment repair; installation of apparatus for heating; installation of central heating; installation of heating apparatus; maintenance and repair of heating; central heating installation; heating equipment installation; heating equipment installation and repair; heating equipment repair; installation of apparatus for heating; installation of central heating; installation of heating apparatus; maintenance and repair of heating