Installation, maintenance, servicing and repair services, including service arrangements for warranty purposes and including such services in relation to the provision of spare parts being replacement of parts for warranty purposes, in respect of dishwashers, clothes washers, clothes dryers, appliances and installations for refrigerating, freezing, air conditioning, cooling, ventilating, heating, drying, cooking including gas and electric cooking appliances and installations, rangehoods and ventilating hoods for kitchens