Heating, ventilating, and air conditioning and purification equipment (ambient); hvac systems (heating, ventilation and air conditioning); heating apparatus and installations; catalytic combustion heating apparatus; heating installations for use with gaseous fuels; residential heating units; thermal radiators for the heating of buildings; apparatus for heating; apparatus for heating; hot air ovens; heating elements; apparatus for heating; boilers; apparatus for heating; electric fires; radiant fan heaters; radiators (heating); heating units; heating installations; fan heaters; industrial heaters; mobile heating apparatus; convectors (radiators); gas operated apparatus for heating; gas operated apparatus for heating; gas operated apparatus for heating; gas fired heating installations; industrial heating installations; fixed heating burners; stoves for heating; heating installations; apparatus for heating; apparatus for heating; heaters for baths; burners for boilers; water bed heaters; domestic boilers; heating apparatus for ponds; vehicle HVAC systems (heating, ventilation and air conditioning); heating systems for motor cars; ventilating apparatus for vehicles; heaters for vehicles; hot tub heaters; bathroom heaters; heaters for tents; thermostatic valves being parts of burners; flues for heating apparatus; filters for heating apparatus; boiler pipes (tubes) for heating installations; heating installations for fluids; burners for heating installations; gas fired heating installations; combined heating and air conditioning apparatus; domestic heating utensils; domestic radiators; heating apparatus for gaseous fuels; burners, boilers and heaters; heaters for temporary structures; control devices (thermostatic valves) for heating installations; heating installations for industrial use; closed circuit heating installations; control units (thermostatic valves) for heating installations; heating apparatus for use in the home; heat regulating devices (valves) being parts of heating installations; heating apparatus for solid, liquid or gaseous fuels; filters for use with apparatus for ventilating; ventilation (air-conditioning) installations and apparatus; apparatus for ventilating; residential ventilating units; mobile ventilating apparatus; apparatus for heating; heating elements; hot water heaters; boilers for use in heating systems; gas fired back boiler units for domestic central heating; hydrogen fuelled heating and cooking devices; sauna heaters

Construction of complexes for business; advisory services relating to the construction of buildings and other structures; construction of complexes for business; retrofitting of heating, ventilating and air conditioning installations in buildings; heating contractor services; installation of apparatus for heating; installation of boilers; repair of heating apparatus; installation of heating and cooling apparatus; maintenance and repair of heating; advisory services relating to the installation of heating and cooling apparatus; HVAC (heating, ventilation and air conditioning) installation, maintenance and repair; retrofitting of ventilating installations in buildings; maintenance and repair of ventilating apparatus

Rental of heating apparatus; rental of heating installations