all activities in the fields of renewable and alternative energy sources, engineering and sanitation, in particular the installation of solar, photovoltaic and thermal panels, heat pumps and ventilation and air conditioning systems, as well as the development of climate engineering studies; in general, the company may create branches or subsidiaries in Switzerland and abroad, participate in other companies, acquire or establish companies with an identical or similar purpose, grant loans or guarantees to associates or third parties, carry out all financial, commercial, movable, real estate (commercial buildings only) and other operations, both in Switzerland and abroad, and conclude all contracts that are suitable for developing its purpose or are directly or indirectly related to it.