Case Studies
A Wood-Frame Retrofit, Wrapped in Wood Insulation
Sidney Beaumont is an Emmy-award-winning documentary filmmaker, 475 investor, and Passive House enthusiast. His films are of special interest to those concerned with climate and environment, including: From the Ashes...
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A Passive-Agrarian Homestead
Gregg Zuman is an entrepreneur focused on the production of transportation systems powered effectively by only human power, when necessary, and requiring zero fossil inputs to function, called Livepower™, at...
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475 On-Site: Chris Corson on Precision, Efficiency, And The Future Of Building
EcoCor’s Founder talks Passive House, Pro Clima, and his path through high-performance construction Chris Corson, owner and founder of EcoCor High Performance Building Systems, spoke with us in 2017 about...
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Good Energy Haus as a Case Study and Beacon for Sustainability
Tim Eian, an architectural engineer and climate action advocate based in Minnesota, has promoted and practiced Passive House design since his university studies in Germany in the 90’s. His involvement...
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Project Spotlight: Lunos Brings Comfort to an Airtight Home
When he’s not out climbing mountains Paul Kuenn consults on retrofitting buildings. After a career of climbing and handy work he started a deep energy retrofit, maintenance, and energy savings...
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Project Spotlight: A Green Professional Walks The Walk
Chris Byers has a long history in the green building industry and currently works as a Commercial Solar Developer at Namasté Solar. Throughout his career he has assisted in the...
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Passive House Leadership In North Carolina
Bringing Passive House Leadership Down South REdesign.build is a design-build firm based in North Carolina led by Will Alphin, a firm with a reputation for making innovative, elegant, modern homes...
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Builder Spotlight - MainStream Corporation
Cody and Lisa Farmer are a building science power couple from Colorado who serve as Vice President and President respectively at MainStream Corporation - a construction and materials company with...
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Project Spotlight: Window Install In Brooklyn Retrofit
Bringing light into an early 1900s home Recently, 475 did an on-site installation support for Duncan Architect’s project in Ditmas Park, Brooklyn. Duncan himself purchased the 1910 home which is...
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The Green Point Project on Vancouver Island, BC
The Green Point Project highlights the center of the green building Venn diagram Welcome to The Green Point Project. A pioneering project aiming for Living Building Challenge, Zero Energy, Passive...
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Project Spotlight: Simple Life Homes' Foam Free Prefab Assembly
Creating Comfortable, Foam-Free, All-Electric Senior Homes In Ontario’s Ski Country There are several hot topics we look out for here at 475: foam free building, Smart Enclosures, prefab manufacturing,...
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Gutex-Wrapped Tiny House in Arkansas
Experiences Using Passive House-Supportive Products on Our Tiny House on Wheels This guest article was written by Rachel and Donovan, the good folks behind tinyhappypeopleblog.com. Go check them out to...
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2x Framing Construction Gallery
The 2x framing construction photo gallery is a companion resource to the 2x Framing eBook, CAD DWG files, 2x framing videos and reference list. Use the eBook, dwgs, references and...
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Masonry Retrofit Construction Gallery
The masonry retrofit construction photo gallery is a companion resource to the masonry retrofit eBook, CAD DWG files, masonry retrofit videos and reference list. Use the eBook, dwgs, references and...
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Keeping Your Beer Warm: A High Performance Brewery
The Fourth Pig at Goodlot Brewery in Caledon, ON If you’re talking building science, there’s a solid chance beer is involved. Builders (we hear) like beer. So when beer brewing...
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CLT Tiny House shows off Ecological Living Module
While active opposition to all climate progress reverberates from US leadership, the imagination of those plotting a course for a better future is not deterred. The Yale Center for Ecosystems...
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A Tiny House Plan Proving Big Ideas
Project Spotlight: Terran Palmer-Angell Our customers are typically interested in building better - with more concern for the environment, energy use, natural materials, and people’s health. Occasionally we have...
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Phoenix Haus is Demystifying Passive House Construction
The seeds of a sustainable construction industry have been sown in North America, and it’s an exciting time to see companies sprout and prepare for the big growth spurt ahead....
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Project Spotlight: Three Tree Builds High Performance House Without Sheathing!
When it comes to building a wood framed house, one of the typical ingredients we have come to expect is exterior sheathing. It’s the way most houses achieve shear strength...
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ZeroEnergy Design: Prioritizing Building Envelope Resilience
This post was written as a collaboration between 475 and ZeroEnergy Design ZeroEnergy Design (ZED) is one of the northeast's leaders in high performance residential design. A self-described "modern green...
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