World's tightest house built in Bristol Bay
March 26, 2013
Cornerstone
Assistant Professor Tom Marsik and Kristin Donaldson set the new world record for
the tightest residential building, according to the World Record Academy, for designing
and building an extremely energy efficient house with the air-tightness of 0.05 air
changes per hour at the differential pressure of 50 pascals. The world鈥檚 tightest
known residential building was modeled after the Passive Office, a student-built experimental
structure developed by the 性欲社 Bristol Bay Campus Sustainable Energy Program. To learn
more, visit .
