Passive House Institute US, Inc.
60604 Chicago, IL
United States of America

PHIUS (Passive House Institute US) is a US non-profit organization that administers the  PHIUS+ 2015 standard and adopting passive building principles for single-family, multifamily, and commercial construction to achieve net-zero emissions targets.  Based in Chicago, IL,  PHIUS is committed to making high-performance passive building the mainstream market standard.

PHIUS certifies and quality assures passive buildings, maintains the PHIUS+ climate-specific passive building standard, trains and certifies professionals, and conducts research to advance high-performance building.  Buildings meeting the PHIUS+ standard use 40%-60% less energy for space conditioning than conventional buildings.

PHIUS+ buildings provide superior indoor air quality and a quiet, comfortable indoor environment.


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