Retail services connected with solar panels, solar panel arrays, thermostats, metallic storage boxes, non-metallic storage boxes, fuels, fuel pellets, ventilation installations and apparatus, air-condition installations and apparatus, boilers, thermal storage apparatus, control devices for heating applications, solar collectors for heating, solar water heaters, solar energy powered heating apparatus, valves (plumbing fittings), water tanks of metal, computer control apparatus, metallic water pipes, pipes of metal, non-metallic water tanks, thermal measuring apparatus, thermostats, thermal storage instruments (solar energy) for heating, cylinders for the heating of water, bicycles, motor cars, motorbikes, scooters, electric bikes, vans, automobiles, metal building materials, non-metallic building materials doors, door frames, windows, window frames, insulation materials, roof construction materials of metal, non-metallic roof construction materials, drainage apparatus, printed matter, electronic publications, stationery, washing machines, dishwashers, microwaves, fridges, freezers, vacuum cleaners, domestic electrical equipment, domestic electronic equipment, machines for household use, furniture, office furniture, tables, chairs, wardrobes, seats, beds, parts and fittings for the aforementioned goods; the bringing together, for the benefit of others, of a variety of goods, namely, solar panels, solar panel arrays, thermostats, metallic storage boxes, non-metallic storage boxes, fuels, fuel pellets, ventilation installations and apparatus, air-condition installations and apparatus, boilers, thermal storage apparatus, control devices for heating applications, solar collectors for heating, solar water heaters, solar energy powered heating apparatus, valves (plumbing fittings), water tanks of metal, computer control apparatus, metallic water pipes, pipes of metal, non-metallic water tanks, thermal measuring apparatus, thermostats, thermal storage instruments (solar energy) for heating, cylinders for the heating of water, bicycles, motor cars, motorbikes, scooters, electric bikes, vans, automobiles, metal building materials, non-metallic building materials doors, door frames, windows, window frames, insulation materials, roof construction materials of metal, non-metallic roof construction materials, drainage apparatus, printed matter, electronic publications, stationery, washing machines, dishwashers, microwaves, fridges, freezers, vacuum cleaners, domestic electrical equipment, domestic electronic equipment, machines for household use, furniture, office furniture, tables, chairs, wardrobes, seats, beds, parts and fittings for the aforementioned goods enabling consumers to conveniently view and purchase those goods; electronic retail services connected with solar panels, solar panel arrays, thermostats, metallic storage boxes, non-metallic storage boxes, fuels, fuel pellets, ventilation installations and apparatus, air-condition installations and apparatus, boilers, thermal storage apparatus, control devices for heating applications, solar collectors for heating, solar water heaters, solar energy powered heating apparatus, valves (plumbing fittings), water tanks of metal, computer control apparatus, metallic water pipes, pipes of metal, non-metallic water tanks, thermal measuring apparatus, thermostats, thermal storage instruments (solar energy) for heating, cylinders for the heating of water, bicycles, motor cars, motorbikes, scooters, electric bikes, vans, automobiles, metal building materials, non-metallic building materials doors, door frames, windows, window frames, insulation materials, roof construction materials of metal, non-metallic roof construction materials, drainage apparatus, printed matter, electronic publications, stationery, washing machines, dishwashers, microwaves, fridges, freezers, vacuum cleaners, domestic electrical equipment, domestic electronic equipment, machines for household use, furniture, office furniture, tables, chairs, wardrobes, seats, beds, parts and fittings for the aforementioned goods; wholesale services connected with solar panels, solar panel arrays, thermostats, metallic storage boxes, non-metallic storage boxes, fuels, fuel pellets, ventilation installations and apparatus, air-condition installations and apparatus, boilers, thermal storage apparatus, control devices for heating applications, solar collectors for heating, solar water heaters, solar energy powered heating apparatus, valves (plumbing fittings), water tanks of metal, computer control apparatus, metallic water pipes, pipes of metal, non-metallic water pipes, non-metallic pipes, non-metallic water tanks, thermal measuring apparatus, thermostats, thermal storage instruments (solar energy) for heating, cylinders for the heating of water, bicycles, motor cars, motorbikes, scooters, electric bikes, vans, automobiles, metal building materials, non-metallic building materials doors, door frames, windows, window frames, insulation materials, roof construction materials of metal, non-metallic roof construction materials, drainage apparatus, printed matter, electronic publications, stationery, washing machines, dishwashers, microwaves, fridges, freezers, vacuum cleaners, domestic electrical equipment, domestic electronic equipment, machines for household use, furniture, office furniture, tables, chairs, wardrobes, seats, beds, parts and fittings for the aforementioned goods.

Advisory services relating to the installation of solid fuel heating systems; heating equipment installation; heating equipment installation and repair; installation of apparatus for heating; installation of central heating; installation of central heating apparatus; installation of heating apparatus; maintenance and repair of heating installations; industrial heating installation; industrial heating repair services; Installation and maintenance of solar thermal installations; Installation and maintenance of photovoltaic installations; advisory and planning services for the installation of district heating systems; maintenance and repair of district heating systems; installation, maintenance and repair services for heat exchangers; installation, maintenance and repair of solar panels, solar panel arrays, thermostats, metallic storage boxes, non-metallic storage boxes, fuels, fuel pellets, ventilation installations and apparatus, air-condition installations and apparatus, boilers, thermal storage apparatus, control devices for heating applications, solar collectors for heating, solar water heaters, solar energy powered heating apparatus, valves (plumbing fittings), water tanks of metal, computer control apparatus, metallic water pipes, pipes of metal, non-metallic water tanks, thermal measuring apparatus, thermostats, thermal storage instruments (solar energy) for heating, cylinders for the heating of water, metal building materials, non-metallic building materials doors, door frames, windows, window frames, insulation materials, roof construction materials of metal, non-metallic roof construction materials, drainage apparatus, printed matter, electronic publications, washing machines, dishwashers, microwaves, fridges, freezers, vacuum cleaners, domestic electrical equipment, parts and fittings for the aforementioned goods; advisory services relating to the aforementioned goods.

Electrical energy.

Billing services in the field of energy.