Engineer Natalie Leonard founded Passive Design Solutions in Nova Scotia to build energy-efficient houses, mostly certified to the Passive House US (PHIUS) standard. However, many prospective clients ...

Eric Tse’s house in Toronto brings together sustainability and sanctuary. The 2,400-square-foot duplex meets the Passive House standard, achieving robust insulation and clean interior air. Yet Tse’s ...

Architects across New York have embraced Passive House design, a German energy efficiency standard slowly gaining traction in the states. Despite its name, this new approach to building design can be ...

We have never actually explained this in one post on TreeHugger. I am going to try. At the opening keynote presentation of the PassiveHouse Canada conference recently, I rolled my eyes when Deborah ...

“Passive house” can rank pretty far up the list of inadvertently misleading phrases. Realizing the momentous energy-saving potential of this approach requires plenty of active effort on the part of ...

Real estate development is done family-style at the Brooklyn Home Company. Developer Bill Caleo is the builder, his sister Lyndsy Caleo Karol is the designer, and her husband, Fitzhugh Karol is the ...

Following a slew of national natural disasters—most recently the Southern California wildfires and the historic winter storm that hit Southern states—interest in durable and sustainable architectural ...

As smoke from wildfires hangs over much of Colorado​ this summer, a new home taking shape in Silverthorne is being designed ...

It’s a hot August day on a busy street in suburban Connecticut. In the sunlit living room of a spacious house, it’s quiet, bright and cool – even in the absence of air conditioning. “We use up to 90 ...

Nicholas Liberis knew his office project in Long Island City had to be different. A new 11-story building surrounded by former warehouses and budget hotels was not exactly a top-of-mind destination ...