The purpose of the company is to provide services in the areas of planning, execution, maintenance and repair of building technical systems, in particular the creation of heating and cooling systems, solar thermal systems, photovoltaic systems, sanitary systems, ventilation and air conditioning systems, planning work for heating, ventilation, sanitation, alternative energies, thermal building renovations and energy concepts, renovation and conversion work as well as the provision of all related services. The company can trade in building technology and building materials and similar goods. The company can establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire or merge with similar or related companies, acquire, manage and sell real estate, and enter into all transactions and conclude contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it.