Archiland International completed the Nanjing Green Lighthouse, a zero-carbon office that serves as a shining beacon for sustainable design in China. The circular low-energy building is a model project located in the Nanjing High Tech Zone, a pilot area for sustainable urban development. Daylighting, passive solar design, and energy-efficient technologies lower the Nanjing Green Lighthouse’s energy consumption to below 25 KwH per meter squared per year—a number that’s offset by photovoltaic energy to meet net-zero energy status.
The 5,500-square-meter Nanjing Green Lighthouse takes on a spiral form and is centered on a light-filled atrium that funnels natural light and fresh air to all floors. “We would all like to produce more ‘green’ buildings with lower energy consumption or low carbon emission,” says Archiland International. “The challenge is at the same time to make this necessary new buildings even more attractive than buildings of today and not just making engineering technology driven machines. With this lighthouse we aim for no less than this.”
According to the design firm, the Nanjing Green Lighthouse is one of the first zero carbon buildings completed in China. The circular facade was optimized and carefully engineered with operable openings and daylight horizontal reflectors that minimize exposure to the sun’s direct heat while maximizing access to soft natural light. The building achieves 200 LUX natural daylight level for all working areas. The interior is dominated by white surfaces that reflect light to make the workspaces free bright and airy. Colorful furnishings and lush plantings, which include full-height green walls and hanging plants, punctuate the interior.
Images via Archiland International