Retailing and wholesaling of apparatus, instruments and wires for conducting electricity, signaling, protection, security and life-saving devices, measuring, detection and monitoring instruments, indicators and controllers, remote control apparatus for air conditioning installations; Retailing and wholesaling of measuring and control devices for air conditioning technology, turbine meters, switches, temperature control apparatus (electric switches), electric batteries, electric speed governors, electronic speed governors; Retailing and wholesaling of heat regulating apparatus, pressure gauges, thermometers, electric scales, scales (weighing apparatus), thermo-hygrometers, infrared thermometers, leak detectors, remote control apparatus for controlling lighting, light modulators; Retailing and wholesaling of electric controls for irrigation sprinkler systems, electric controls for irrigation sprinkler systems, time programmers, electric accumulators, battery jars, transmitters of electronic signals, thermostats, electric thermostats, thermostat wires, heat sensors (thermostats); Retailing and wholesaling of thermal controls (thermostats), regulating and controlling apparatus, switches, commutators, electrical push button switches, push buttons for bells, sockets, plugs and other contacts (electric connections), buzzers, telephone socket outlets, electric regulators, electronic regulators, electrical conductors; Retailing and wholesaling of electric cables and wires, electrical ducts, electrical coupling sleeves, sockets, plugs and other contacts (electric connections), branch boxes, differential switches, electrical relays, electric safety relays, thermal switches, telecommunications apparatus, telecommunications wires; Retailing and wholesaling of antennas, dish aerials, data transmission cables, video entryphone apparatus, identification threads for electric wires, multi-socket strips, electric plugs, electric adaptors, plug adaptors, electric terminals, identification threads for electric wires, electric power supply units; Retailing and wholesaling of time programmers, central heating programmers, electric regulators, timing apparatus, telerupters, detectors, movement detectors, electric bells, electricity meters; Retailing and wholesaling of air conditioning, airconditioning apparatus, filters for air-conditioning systems, air-conditioning installations, apparatus for air conditioning, apparatus for air-conditioning, heating, ventilating and air-purifying purposes; Retailing and wholesaling of portable air-conditioning apparatus, humidifying apparatus for use with air-conditioning apparatus, ventilation apparatus and installations (air conditioning), air inductor apparatus (air conditioning), hoods for airconditioning apparatus, portable air-conditioning equipment; Retailing and wholesaling of evaporators for air conditioners, extractors (ventilation or air conditioning), filters for air conditioning, air-conditioning installations, air-conditioning panels for use in walk-in coolers, electrically powered air blowers for air-conditioning purposes; Retailing and wholesaling of residential air conditioning units, valves for air conditioners, axial fans for air-conditioning, fans for air-conditioning, heat pumps, ventilation apparatus, air inductor apparatus (ventilation), ventilating exhaust fans, ventilation hoods, ventilators, turbine ventilators (ventilation apparatus); Retailing and wholesaling of air-conditioning filters, air filters, filters for air purifiers, fume and smoke extractors, extractor units (ventilation), grilles, heat regenerators, linear air diffusers, supply air diffusers, air balancing dampers, air control dampers, hot air ovens; Retailing and wholesaling of industrial heating apparatus, industrial heating installations, dehumidifiers, air curtains, kitchen blow torches, projectors for lighting, spotlights for household lighting, direct spotlights, computer-controlled lighting apparatus, swimming pool filters; Retail and wholesale services of Irrigation spray nozzles, water sterilizers (except for kitchen and bathroom facilities), Automatic irrigation devices, other than machines, Automatic irrigation facilities, Sprinkler systems for irrigation, Irrigation sprinklers, Irrigation nozzles; Retail and wholesale services of Plastic pipe elbows [parts of sanitary facilities] (except for kitchen and bathroom facilities), Water supply devices (except for kitchen and bathroom facilities), pressure water tanks (except for kitchen and bathroom facilities), faucets (except for kitchen and bathroom facilities), Boilers, Gas boilers, Heaters, Heat accumulator, Water control valves (except for kitchen and bathroom facilities), Electric radiators, Radiator valves (except for kitchen and bathroom facilities), Underfloor heating devices, Underfloor heating installations, Automatic thermostats for central heating radiators, Regulating accessories for water pipes (except for kitchen and bathroom facilities), Regulation devices for water supply equipment (except for kitchen and bathroom facilities); Retail and wholesale of Regulating accessories for water and gas appliances and pipes (except for kitchen and bathroom facilities), Heat regulation devices [valves] that are parts of heating installations (except for kitchen and bathroom facilities), Accessories for sanitary water installations (except for kitchen and bathroom facilities), Sanitary water conduction accessories (except for kitchen and bathroom facilities), Water pipes for sanitary facilities (except for kitchen and bathroom facilities), Water pipes of sanitary facilities (except for kitchen and bathroom facilities); Retail and wholesale services of stoves for heating, wood-burning stoves, Fireplaces, Heat collector evacuation pipes from solar collectors [heat exchangers ]; Retail and wholesale services of Cisterns (except for kitchen and bathroom facilities), Lighting fixtures; Providing business information, also via internet, the cable network or other forms of data transfer; Demonstration of goods for promotional purposes; Organization of exhibitions for commercial or advertising purposes; Business administration; Business administration; Stock control services; Advertising, marketing and promotional services; Conducting of marketing studies; Computerized file management; Strategic business planning; Presentation of goods on communication media, for retail purposes; Economic forecasting; Promoting the goods and services of others via a global computer network; Sales promotion for others; Compilation of statistics; Public relations services; Procurement for others (purchasing of goods and services for other businesses); Business information services provided online from a global computer network or the internet; Business surveys; Business promotion; Organization of exhibitions, trade fairs and events for commercial or advertising purposes; Outsourcing services (business assistance); Systemization of information into computer databases; Providing business information, also via internet, the cable network or other forms of data transfer.

HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; installation and repair of heating, ventilating and air conditioning systems; Installation of apparatus for air-conditioning; Maintenance and repair of air conditioning apparatus; Repair or maintenance of air conditioning apparatus; Routine servicing of air conditioning apparatus; Air conditioning apparatus cleaning services; Air conditioning vent sealing services; Providing information relating to the repair or maintenance of air conditioning apparatus; Plumbing installation, maintenance and repair (except for kitchen and bathroom facilities); Advisory services relating to the maintenance of plumbing (except for kitchen and bathroom facilities); Pump repair or maintenance; Advisory services relating to the installation of pumps; Providing information relating to the repair or maintenance of pumps; Repair of turbines; Repair of air filters; Air duct cleaning services; Installation of grills; Maintenance and repair of vacuum pumps; Reconditioning of vacuum pumps and parts thereof; Swimming pool cleaning services; Hygienic cleansing [pools]; Swimming-pool maintenance; Cleaning of culverts; Irrigation devices installation and repair; Cleaning of water tanks; Installation of apparatus for heating; Maintenance and repair of heating; Advisory services relating to the alteration of buildings; Advisory services relating to the installation of fixings; Advisory services relating to the installation of solid fuel heating systems; Repair or maintenance of gas water heaters; Providing information relating to the repair or maintenance of gas water heaters; Recharging of batteries and accumulators; Repair of canalization systems; Installation of energy-saving apparatus.