Consulting, design and energy recovery and/or renewable energy, high-efficiency thermomechanical systems, design of industrial refrigeration systems, ventilation, air conditioning and summer and winter air conditioning, sanitary, liquid and gaseous gas systems as well as the related maintenance and structural adaptation. The trade, import and export of materials for use and consumption related to the described activity. The purchase, exchange, rental, management and administration on its own account of civil and industrial real estate. The company may participate in other companies in Switzerland and the European Union.