Passive House design does not mean it’s just for houses; more taller buildings are being done to the tough standard now. One of the most interesting, and one that busts a whole lot of misconceptions, is 211W29, a 24 storey mixed use building in midtown Manhattan. ZH Architects explain why: Not only committed to developing a building that reflects the diversity of NYC, 211W29 also endeavors to provide a new standard of comfort in rental apartments by meeting the Passive House criteria. Passive House construction delivers a higher quality of construction which includes continuous filtered air, triple glazed windows to reduced street noise, and an overall lower consumption of energy for the entire building. But it’s not easy to do, especially when sandwiched between two other buildings on a lot only 45 feet wide. During the North American Passive House conference in New York City I toured the building with ZH principal Stas Zakrzewski. One of the biggest problems in building between buildings is how you build a wall right up against the neighbour. Standard practice is to lay up concrete blocks, which you can do totally from the inside. But concrete block walls do not h...