35 Advertising; arranging commercial transactions, for others, including within the framework of e-commerce; provision of an online marketplace for buyers and sellers of goods and services; web site traffic optimization; search engine optimization for sales promotion; pay per click advertising; presentation of goods on communication media, for retail purposes; price comparison services; systemization of information into computer databases; administration of consumer loyalty programs; compilation of information into computer databases; business assistance, management and administrative services; retail and wholesale services, also provided via the internet, in relation to the following goods: apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating and water supply and sanitary purposes, lamps, lighting devices, accessories thereof, apparatus for lighting, lamps, ceiling lights, and thermostats, fans, dehumidifiers and air cleaners for household purposes, air diffusers, heat recovery ventilators, energy recovery ventilators, ventilators, blowing machines, parts of fan, impellers, air exchangers, air cleaners, air filtration equipment, air filters, hepa filters and media filters, heat pumps, hot water reservoirs, heat-exchange units, water heaters (apparatus), heated floors, burners, heating boilers, heating elements, solar energy powered heating installations, solar thermal collectors (heating), thermal storage instruments [solar energy] for heating, scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity, regulating apparatus, apparatus for control, checking devices, steering apparatus, navigation devices, control units for the regulation of web-enabled and connected lighting systems, household and building technology apparatus and thermostats, remote control systems, air-conditioning and heating control and regulation systems, apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data, recorded media and downloadable media, computer software, blank digital or analogue recording and storage media, computers and computer peripherals, smart-home hubs for the connection of multiple smart-home devices to a network, smoke detectors, electrically operated apparatus for household, bathroom and kitchen use, fire-extinguishing devices and apparatus, apparatus and instruments for use as heat sensors, intruder detecting alarms, distributors, plugs, interconnection boxes, commutators, sockets, plugs and other contacts (electric connections), batteries, batteries, electric cables and wires, lighting control installations, supply regulators for incandescent lamps, electric light illumination devices, led's, laser diodes, conductor rail systems for lights, photovoltaic installations and solar modules, installations for energy production, conversion and storage, accumulators for photovoltaic power, electricity storage apparatus, apparatus and instruments for regulating electricity relating to photovoltaic installations and solar modules, inverters, household electric machines, electrical and electronic apparatus and instruments, for household purposes, dust absorbing, wetting and binding compositions, fuels and illuminants, candles and wicks for lighting for lighting, industrial oil and greases, lubricants, common metals and their alloys, ores, metal materials for building and construction, transportable constructions of metal, non-electric cables and wires of common metal, articles of metal hardware, metal containers for storage or transport, transportable buildings and structures of metal, safes (strong boxes), building materials and building elements of metal for fastening photovoltaic installations and solar modules, hand tools and instruments (hand operated), flatware, kitchen knives and cutting implements for kitchen use, shaving equipment, hand-operated devices and tools for treatment of materials, and building construction, repair and maintenance work, paper, cardboard, table covers (paper), printed matter, bookbinding material, photographs, stationery, adhesives for stationery or household purposes, artists' materials, paint brushes, typewriters and office requisites, instructional and teaching material, plastic materials for packaging (not included in other classes), materials, non-metal tubes, for building, pipes, non-metal tubes, for building, asphalt, pitch, tar, bitumen, transportable buildings, non-metal tubes, furniture, mirrors (looking glasses), picture frames, furnishings for offices, residences and commercial premises, household or kitchen utensils and containers, cookware and tableware, combs and sponges, brushes and paint brushes, brush-making materials, articles for cleaning purposes, unworked or semi-worked glass, window glass for building, glassware, articles of porcelain and earthware, textiles and substitutes therefor, textile products and substitutes for textile goods, household linen, curtains of textile or plastic, mats, foot mats, mats, linoleum, floor coverings, wall hangings, not of textile; advertising and sales promotion for others, especially, in relation to the following goods: computer software, software and apparatus in the field of smart homes