42 remote monitoring and technical remote monitoring for building management and building automation systems and equipment; technical consultation in the fields of engineering, physics, chemistry, information, technology, electricity, telecommunications, heating, ventilation and air-conditioning engineering, mechanical, pneumatic and hydraulic systems engineering, fire protection, security, environment; computer software development; technical support, namely, providing back-up computer programs; updating and upgrading of computer software for others; rental of central computer capacity; design and planning of buildings, building management systems and building automation systems and equipment; technical supervision and inspection and telephone hotline consultation in the field of building maintenance and management; emission monitoring and safeguarding of air quality in buildings; data collection services using proprietary software to evaluate, analyze and collect operational data; measurement evaluations for the energy management of buildings, namely, energy monitoring and energy optimization