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"To make sure that all sustainability criteria are considered, we coordinate an integrated general planning team with clear communication structures and a customized working process from the first conception until the phase of use." - kadawittfeldarchitekturKadawittfeldarchitektur has built a modern energy efficiency center on the campus of Hochschule Niederrhein in Mönchengladbach, a city in North Rhine-Westphalia, Germany. The zero emission building is constructed to Passive House standards which require thermal bridge free design, superior windows, ventilation with heat recovery, quality insulation and airtight construction. The driving idea behind the project was to unite the science and energy industry with the university in a collaborative effort to share innovative energy technologies with the public. The building accommodates an energy center for NEW, an energy and water utility company, along with an academic library, a startup center for new business ventures, and an energy laboratory for students. The building is designed to be an object in the landscape – a “solitaire” according to Mathias Garanin, Project Manager for kadawittfeldarchitektur. “Due to its conception as a solitaire, it is a building without a rear elevation, a building that faces public space in all directions.” Garanin and the kadawittfeldarchitektur project team say the building volume was based on setback distances from neighboring buildings, creating a compact, five-sided volume clad with oppositely inclined blue tinted glass and photovoltaic panels coordinated with the orientation and incidence of solar radiation. “The NEW-Blauhaus building is kept at a distance in order to establish new relationships.” Benefits to the volumetric shape of the building include a favorable volume-to-surface ratio for energy efficiency and a relatively short interior travel distances to maximize collaboration. While the architects have produced a formally engaging homogeneous skin, loaded with performative features acknowledging insulation requirements, acoustics, durability, and user comfort, perhaps the most important role of the building is to clearly communicate a high performance energy agenda. This is achieved in two ways: in the facade, which is clad with photovoltaic panels, and at the base of the building, where an energy center doubles as a showroom visible to onlookers from the exterior. Here, visitors can engage in displays showcasing sustainable energy, along with a specialized highly efficient reversible heat pump system involving an ice storage tank and chiller plant. kadawittfeldarchitektur says the facade is the building’s most exclusive means of expression. “As a significant part of the advanced energy concept, it communicates the approach to conserving resources to the outside and determines the identity of the architecture and its users in the urban environment.” A 4-foot structural grid establishes stacks of window and photovoltaic units that are variably rotated to most effective solar angles. Soundproofing panes located in front of the widow units work to compositionally complete the building envelopes patterned ornamentation. The window units are operable, providing individualized user comfort as required. The north facade receives enameled glass in place of the photovoltaic panels along the north facade were omitted from the design due to performative issues, and replaced with an enameled glass. The elegance of the envelope system inspired an interior design scheme of clarity and communication through “color blocking.” Based on the activity of the building as an energy generation system from dusk to dawn, the coloration of interior spaces combines hues of a defined color spectrum found in sunset and sunrise conditions.