Poenina Holding AG is a Switzerland-based holding company (the Group) engaged in the building industry. The Group companies provide services in the areas Building services engineering and Building envelope for residential, commercial and public buildings. Building services engineering include plumbing technology (water and sewage installations and gas installations, among others), heating technology (radiators, convectors, floor heating systems, heat pumps, among others) and ventilation technology (kitchen and bathroom vents, heat recovery systems, air conditioners). Building envelope includes roofing, guttering and cladding. The Group's services include working on new buildings, conversions and renovations and range from installation to maintenance and repair. The Group's operating subsidiaries include SADA AG, Demuth AG, Banz AG, Hans Ziegler AG, WT & Service AG and Albis Technik AG. Its subsidiary shz Gebaeudetechnik AG offers technical planning services.

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