The "Prefab & Energy" Building Fair in Passau, which takes place annually in January, is an established industry exhibition. Since its inception in 1996, it has been primarily organized by Drexler & Sprotte GmbH. The event is held at the Dreiländerhalle, a well-known venue offering versatile exhibition and conference facilities. As part of a series of Bavarian fairs, "Prefab & Energy" has evolved into an important meeting point for private customers and professionals in the construction industry. The focus of the fair is on building topics, with particular attention to the needs of private homeowners. It offers a comprehensive range of products and services, including interior finishing, renovation, energy saving, construction financing, and burglary protection. Regional and national manufacturers use the fair to showcase their latest products and innovative solutions for modern, energy-efficient renovations. It allows visitors to view and compare numerous offers in one location, making it an indispensable event for homeowners. The "Prefab & Energy" fair stands out for its diversity and practical orientation. In addition to product presentations, there are expert lectures and consulting services, making it a highlight in the fair calendar for everyone interested in modern building and living. For the twenty-eighth time there is the Prefab & Energy on 2 days from Sat., 24.01.2026 to Sun., 25.01.2026 in Passau.