Advisory services with respect to building construction; retrofitting of heating, ventilating and air conditioning installations in buildings; installation of construction automation equipment; repair services in the field of heating, ventilating and air conditioning installations; information and advisory services concerning the installation, servicing and repair of heating, ventilating and air conditioning installations
Building Construction and RepairEngineering services with respect to energy supply and energy technologies; developing energy system and control equipment; scientific research and development in the field of heating, ventilation, air conditioning and energy management; information and advisory services concerning the development and design of heating, ventilating and air conditioning installations; engineering information and advisory services with respect to building safety
Computer and Scientific