Passive House Institute US & Passive House Alliance US
Passive House Institute US (PHIUS) is a 501(c)(3) organization committed to making high-performance passive building the mainstream market standard. PHIUS develops and promotes North American specific standards, practices, and certifications for buildings, professionals, and products to create structures that are durable, comfortable, healthy, and super energy efficient. Founded in 2003, PHIUS is the leading passive building research and information provider in North America, and administers the climate-specific PHIUS+ 2015 Passive Building Standard. Through its Passive House Alliance US (PHAUS) program, a membership-based organization with over 800 members across 18 local chapters and dozens of corporate sponsors, PHIUS is building a robust network of passive building communities across North America.