The five-star hotel on the Seiser Alm in South Tyrol has been certified to Climate House B standard. Windows and sliding doors must have excellent thermal insulation to achieve such a high degree of energy efficiency. The wood-aluminium system ensures excellent insulation and is both durable and easy to maintain. And the slender wooden frames of natural oak are a perfect match for the chalet’s character. The exterior aluminium veneer makes these windows particularly resistant and durable.