Installation, maintenance and repair of household cooking, heating, lighting apparatus and appliances; installation, maintenance and repair of domestic space, floor, pavement heating apparatus, gas ovens, convection ovens, microwave ovens, barbecues, gas cookers, electric pressure cookers, rotisseries, barbecue grills, gas grills, hot plates and gas stoves, electric stoves, none of the aforementioned services being in connection with water heating systems or water heaters