Boston’s new Winthrop Center is now officially the largest Passive House office building in the world

2023-10-06T17:58:00-04:00

The new Winthrop Center in Boston by Handel Architects has just been certified by the Passive House Institute (PHI) as the largest Passive House office design in the world, according to an announcement made Friday by its developer Millennium Partners.

Inaugurated in the spring after a six-year concept and construction phase, the 691-foot mixed-use tower includes 812,000 square feet of Class A office space and another 510,000-square-foot segment with 317 luxury residences within its 52-story design.

The office component of the Center, which earned the PHI designation, incorporates between 30 and 35% more fresh air than a typical commercial design. Millennium Partners shares: "A typical Class A building in Boston’s existing stock uses 150% more energy and existing LEED Platinum buildings in Boston use 60% more energy than Winthrop Center’s office space."

Image courtesy of Millennium Partners.

“With Winthrop Center, we wanted to think beyond the status quo, and we were ready to employ ...

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Boston’s new Winthrop Center is now officially the largest Passive House office building in the world