The company's purpose is to carry out hygiene controls, indoor air measurements, hygiene consulting, cleaning, maintenance and servicing of ventilation systems, controlled residential ventilation, comfort ventilation, distribution and installation of spare parts, trade in ventilation accessories and cleaning products, financial and commercial transactions in the interest of the company. Granting of license rights, exploitation of patents. The company can establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, take over representations and enter into all transactions and conclude contracts that may be suitable to promote the purpose of the company or are directly or indirectly related to it. It can also provide financing for its own or third-party accounts, as well as guarantees or sureties for subsidiaries and third parties. It can acquire and sell real estate.