Couplings, electric; electrical system status indicators for heating, venting and air-conditioning systems; computer programs for facility management, heating system regulation, air-conditioning system regulation and venting system regulation; downloadable software for facility management, heating system regulation, air-conditioning system regulation, and venting system regulation; Computer software for facility management, heating system regulation, air-conditioning system regulation, and venting system regulation; Diagnostic apparatus, not for medical purposes, for measuring air flow of ventilation systems, heating of heating systems and cooling of air-conditioning systems; Electric installations for the remote control of industrial operations; Electronic notice boards; Remote control apparatus for heating systems, ventilation systems, air-conditioning systems, but not in conjunction with lights; High-frequency apparatus, namely, high frequency switches, high frequency power supplies, high frequency pulse generator not for medical purposes; Boiler control instruments; electric regulating apparatus for regulating air flow of ventilation systems, heating of heating systems and cooling of air-conditioning systems; solenoid valves; electromagnetic switches; Measuring apparatus for fluid levels, temperatures and air flow in heating systems, venting systems or air-conditioning systems; electric measuring devices, namely, electric meters, fluid level meters, air flow and temperature sensors for heating systems, ventilation systems and air-conditioning systems; Measuring instruments for fluid levels, temperatures and air flow in heating systems, ventilation systems and air-conditioning systems; Apparatus and instruments for physics, namely, heat detectors; switchboards; commutators; electric switches, but not in conjunction with lights; Electric apparatus for commutation but not in conjunction with lights; Integrated circuits but not in conjunction with lights; electricity distribution consoles; electricity control panels; Transmitters of electronic signals for monitoring or regulating heating systems, air-conditioning systems or ventilation systems, but not in conjunction with lights; luminous or mechanical signals for monitoring or displaying the status of heating systems, ventilation systems, air-conditioning systems but not in conjunction with lights; electro-dynamic apparatus for the remote control of signals, namely, electro-dynamic apparatus for the remote control of heating systems, ventilation systems and air-conditioning systems; luminous or mechanical signaling panels for monitoring or displaying the status of heating systems, ventilation systems, air-conditioning systems; temperature indicators; thermometers, not for medical purposes; Thermostats; Voltage surge protectors; electric monitoring apparatus, namely, air flow and temperature monitoring systems for air-conditioning systems, heating systems and ventilation systems; electrical distribution boxes; electricity distribution boards; Heat regulating apparatus, namely, thermostats, for buildings

Expansion tanks for central heating installations, namely, thermal expansion tanks for hot water; Heating apparatus using solid, liquid and gaseous fuels, namely, heating apparatus employing diesel fuel, heating apparatus employing oil fuel, heating apparatus employing gas fuels, namely, steam and air heating apparatus employing diesel fuel, oil fuel, or gas fuel; heating apparatus employing electrical heaters for heating fluids and water, namely, hot water heaters, heat transfer fluid heaters; heating elements; heating radiators; Heating apparatus, namely, water heaters; heating installations for heating residential and commercial buildings; air conditioning installations but not in conjunction with lights; cooling installations and machines, namely, cooling domes and cooling evaporators; Air cooling apparatus; ventilation and air-conditioning installations and apparatus; water heating installations; water supply installations; Central heating radiators; installed regulating and safety accessories for gas apparatus, namely, installed gas regulators, installed pressure reducers, the foregoing all being parts of heating and cooling installations, hot water heaters; installed Regulating and safety accessories for gas pipes, namely, gas regulators, blow-out disks, pressure reducers, pressure control valves, the foregoing all being parts of heating and cooling installations, hot water heaters; installed Regulating and safety accessories for water apparatus, namely, pressure reducers, pressure control valves, water regulators, metered valves for water supply, the foregoing all being parts of heating and cooling installations, hot water heaters; installed Regulating accessories for water or gas apparatus and pipes, namely, pressure reducers, pressure control valves, installed water regulators, steam valves, gas regulators safety valves, burst-disks, metered valves for water supply, the foregoing all being parts of heating and cooling installations, hot water heaters; installed Safety accessories for water or gas apparatus and pipes, namely, pressure reducers, pressure control valves, water regulators, steam valves, gas regulators safety valves, burst-disks, metered valves for water supply, the foregoing all being parts of heating and cooling installations, hot water heaters; thermostatic valves parts of heating installations

Installation, maintenance and repair of computer hardware; Property development, namely, building construction services, installations of heating systems, air condition systems and venting systems; Interference suppression in electrical apparatus; Irrigation devices installation and repair; Electric appliance installation and repair; Telephone installation and repair; Elevator installation and repair; Burglar alarm installation and repair; Fire alarm installation and repair; Heating equipment installation and repair; Air conditioning apparatus installation and repair; Installation and servicing of hardware for computer networks; Installation, repairing and servicing of data processing devices hardware; Machinery installation, maintenance and repair, namely, of heating, ventilation and air conditioning machinery, heater water distribution machinery, irrigation machinery, computer network machinery, elevator machinery, electric appliance machinery, and telephone machinery; Office machines and equipment installation, maintenance and repair

Updating of computer software; Updating of software; Consultancy in the field of energy-saving, namely, consultation in the field of energy engineering, heating installation engineering, air conditioning installation engineering; Consultancy in the field of computer hardware; Computer hardware and software consulting; Computer software consultancy; Computer systems analysis; Computer software design; property development, namely, architectural and HVAC engineering services for the configuration and installation of heating, ventilation and air conditioning systems; Computer programming; Physics research; Services of a technical measuring and testing laboratory in the field of engineering, air conditioning engineering, heating engineering; Architecture, namely, architectural design for the installation, specification, configuration and design of heating systems and air conditioning systems; Engineering; Technical tests for air conditioning systems and heating systems; Scientific research; calibration measuring; electronic data backup, namely, remote computerized backup of computerized parameters for air conditioning and heating systems; Development of technical designs for real property, namely, engineering design services for ventilation systems, air-conditioning systems, heating systems, facility management systems, and building instrumentation and monitoring systems; computer programming; monitoring of building systems operation, namely, remote monitoring of HVAC system operation for others; research in the field of environmental protection; technology research in the field of air conditioning, heating, ventilation and energy-saving; Installation and servicing of computer software; Installation of computer software; calibration and operational testing of measuring devices; construction drafting; quality control for others; Research and development for others in the field of air conditioning engineering, heat engineering, ventilation engineering and energy-saving technology; Computer system administration for others, namely, server administration; technical consultancy, namely, in the field of heating engineering and ventilating and air-conditioning system engineering; technical project studies, namely, conducting of feasibility studies; environmental testing and inspection services, namely, environmental inspection services, environmental compatibility checks for air conditioning and heating systems; certification services, namely, engineering services in the field of environmental compliance for the purpose of meeting certification criteria