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  • Photo courtesy of David Papazian

  • Photo courtesy of David Papazian

Terwilliger Plaza, Parkview Expansion

Portland, OR

Business Type

High-rise senior living facility

Size

370,000 square feet

Architect

LRS Architects

Owner

Terwilliger Members (Resident-Owned)

Certifications

  • Energy Trust of Oregon (ETO) Path to Net Zero
  • Architecture 2030
  • Passive House

The largest Passive House project on the west coast AND the largest senior living Passive House, this community demonstrates how passive house principles can be scaled up for high-rise construction projects while still balancing cost, resident comfort, and performance.

Special Features


  • EUI of 13, which is lower than the EUI of 18 required for Architecture 2030
  • PV panels on rooftop
  • Superior indoor air quality and thermal comfort
  • All-electric, including heat pump clothes dryers and induction stovetops
  • Heat pump domestic hot water heater
  • Skybridge connects the building to the campus
  • High efficiency VRF mechanical systems
  • High-performance triple-pane windows
  • DOAS with energy recovery for continous 100% fresh ventilation without drafts
  • 27% below code for lighting energy consumption

Media Coverage

Project Partner

Walsh Construction