Ken Soble Tower becomes world's largest residential Passive House retrofit
Ken Soble Tower, an affordable housing high-rise for seniors in Hamilton, Ont., is now arguably the world’s largest residential building retrofitted to the Passive House standard. Led by ERA Architects and PCL Construction, the project team slashed the 80,000-sf, 18-story building’s greenhouse gas emissions by 94% and its heating energy demand by 91% en route to achieving EnerPHit certification.