A Los Angeles Accessory Dwelling Unit (ADU) has been certified by the International Passive House Institute (PHI). Congratulations to the entire project team on this achievement.
The all-electric, fossil-fuel-free ADU is a two-story, 900-square-foot residence featuring two bedrooms and 1.5 baths. Designed to meet the rigorous Passive House standard, the project incorporates a high-performance building envelope, efficient heat pump systems, and on-site solar photovoltaic generation—demonstrating how compact urban housing can deliver exceptional comfort, efficiency, and climate performance.
Team left to right: Christian Kienapfel (PARAVANT Architects, Architect & Passive House Consultant), Michael Soehner (owner), Alberto Canseco (Goliath Construction)
Certifier: Home Energy Services
