A landmarked townhouse in Prospect Heights underwent a major renovation transforming it into a near passive house net-zero residence. The extreme energy efficiency goals and modern detailing were balanced with maintaining the historic character of the finer details. Sustainable design features include natural daylighting, triple pane windows, a 5kW solar array, solar thermal, ERV systems, native plantings, and rainwater harvesting. Read more about the project in this article by Curbed. photos by fran parente