Planning and execution of sanitary and heating installations, new and renovation work, thermal systems, oil and gas firing systems, emission measurements, alternative energies, related service, repair and maintenance work, as well as interior construction and renovations. The company can establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire, encumber, sell and manage real estate in Switzerland and abroad, provide financing for its own account or for third-party account, and grant guarantees and sureties for subsidiaries and third parties.