Provision of skilled craftsman services, in particular in the field of heating technology; planning and execution work in the sanitary sector, in particular for heating systems; consulting in the aforementioned areas; trade and sale of related goods. The company may establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire or merge with similar or related companies, 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. It may acquire, manage, encumber and sell real estate, copyrights, patents and licenses of all kinds.