Air-conditioning system installation and repair; Air conditioning apparatus installation and repair; Heating equipment installation and repair; Installation and repair of air conditioning apparatus; Installation and repair of heating equipment; Installation and repair of heating, ventilating and air conditioning equipment; Installation of air-conditioning apparatus; Installation of air-conditioning systems; Installation of heating apparatus; Installation of heating and cooling apparatus; Installation of pipe insulation; Installation of refrigerating apparatus; Installation of ventilation and dust extraction systems; Installation of water pipes; Installation of heating, refrigerating, air-conditioning, drying, ventilating and dust extraction apparatus; Installation of heating, ventilation and air-conditioning systems; Installation and repair of air-conditioning apparatus; Installation and repair of air-conditioning systems; Installation and repair of floor heating apparatus; Installation and repair of heating, ventilating and air-conditioning systems; Installation, maintenance and repair of ventilating systems; Installation, repair and maintenance of heating equipment; Installation, maintenance and repair of air-conditioning apparatus; Installation, maintenance and repair of air-conditioning systems; Installation, maintenance and repair of heating apparatus; Installation, maintenance and repair of refrigerating apparatus; Installation, maintenance and repair of cooling and air-conditioning systems for temperature-controlled environments; Advisory services relating to the installation of heating and cooling apparatus

Consulting in the field of engineering; Consulting in the field of mechanical engineering; Consulting in the field of industrial engineering; Consulting in the field of civil engineering; Consulting services in the field of design and development of engineering processes; Consulting services in the fields of energy measurement to improve energy efficiency; Drafting of plans and engineering drawings for others; Engineering drawing services; Engineering services for building and property condition assessment; Engineering services for building and property condition assessment, facility management, repair and restoration and building instrumentation; Engineering services in the field of energy efficiency; Mechanical engineering; Product development and engineering services for others; Civil engineering drawing services