37
Installation, maintenance and repair of heating equipment; installation, maintenance and repair of heating apparatus; installation, maintenance and repair of indoor climate control systems, equipment and apparatus; installation, maintenance and repair of clean room systems; installation, maintenance and repair of clean room environmental control systems; installation, maintenance and repair of ventilation systems, equipment and apparatus; installation, maintenance and repair of HVAC systems; installation, maintenance and repair of air conditioning equipment and apparatus; construction, installation, maintenance and repair of water supply installations, equipment and apparatus; installation, maintenance and repair of water softening and water purifying equipment and apparatus; installation, maintenance and repair of sanitary installations, equipment and apparatus; installation, maintenance and repair of drainage systems, equipment and apparatus; installation, maintenance and repair of energy saving equipment and apparatus; building consultancy services; building refurbishment services; building construction consultancy; building construction advisory services; custom construction of buildings; thermal insulating of buildings; installation of fittings for buildings; retrofitting of heating installations in buildings; retrofitting of ventilating installations in buildings; installation of thermal insulation for buildings; installation, maintenance and repair of utilities in buildings; building inspection services relating to HVAC systems, climate control systems, water supply and sanitary installations, drainage and clean room systems; detection of leaks within buildings; detection of air leaks within buildings; sound tests for buildings; information, advisory and consultancy services related to all the aforesaid services
42
Calibration services relating to HVAC systems, climate control systems, water supply and sanitary installations, drainage and clean room systems; thermographic mapping; thermographic measurement services; energy efficiency assessment services; providing technical advice relating to energy-saving measures; advisory services relating to the use of energy; professional consultancy relating to energy efficiency in buildings; energy auditing; information, advisory and consultancy services related to all the aforesaid services