This is an overview of the award-winning and unusually high-tech Verbundnetz Gas AG building in Leipzig. Working alongside the architects in their key role, specialist subcontractors joined forces to form an integrated designer team which balanced organizational and energy-related requirements. The illustrations, plans and copies of original material included in this volume provide an accessible description of the integrated energy-saving technology, the natural air circulation, state-of-the-art architectural features and aesthetic considerations of this buiding.