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Pok Oi Residences Certified Passive House by PHIUS

Project Updates / November 10, 2025 by Bruner/Cott

We’re proud to share that Pok Oi Residences has officially achieved PHIUS+ 2018 CORE Certification, recognizing it as a certified passive house building!

Located in Boston’s Chinatown, the six-story, 85-unit affordable housing community shows how sustainable design and social responsibility can work together. Working with the Chinese Consolidated Benevolent Association of New England and Beacon Communities, Pok Oi sets a new benchmark for energy-efficient multifamily housing in the Northeast. The project meets rigorous performance standards set by the Passive House Institute US (PHIUS), ensuring exceptional comfort, air quality, and energy performance.

Key design features include:

  • High-performance envelope: R-28 walls, R-50 roof, and triple-pane windows.

  • Efficient systems: Central energy-recovery ventilation (80% efficiency) and Mitsubishi VRF heating and cooling.

  • Renewable energy: A 32.8 kW rooftop solar array offsets building energy use.

Together, these strategies reduce energy use by more than 70% compared to typical multifamily housing, cutting operational costs while enhancing resident comfort and health.

Learn more about the certification on the PHIUS Certified Project Database →

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