DOE Tour of Zero: Sol Lux Alpha by Off The Grid Design
US Department of Energy (DOE), Office of Energy Efficiency & Renewable Energy (EERE)

Sol Lux Alpha: Multi Unit Passive House N+E "Nanogrid" Living + Transportation Development
Northeast Sustainable Energy Association (NESEA)

An Assessment of Envelope Measures in Mild Climate Deep Energy Retrofits
U.S. Department of Energy (DOE), Office of Scientific and Technical Information (OSTI), June 1, 2014

Sonoma House: Monitoring of the First U.S. Passive House Retrofit
U.S. Department of Energy (DOE), Office of Scientific and Technical Information (OSTI), December 1, 2012

California Home Becomes First Passive House in State and First Passive House Retrofit in U.S.
Mitsubishi Electric Case Studies