Case Studies

475 On-Site: Chris Corson on Precision, Efficiency, And The Future Of Building

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

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: A Green Professional Walks The Walk

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

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

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

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 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

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, and...

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Gutex-Wrapped Tiny House in Arkansas

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

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

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

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

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

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

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!

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

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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How Many Blower Door Fans Does It Take to Test a 26 Story Tower?

How Many Blower Door Fans Does It Take to Test a 26 Story Tower?

Passive House Certification of The House at Cornell Tech Blower door test being completed on June 3, 2017 Ten? Nine? Eight? Seven? Six? Five? Four? Three? Two? If it's the...

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Installer Spotlight: American Installations

Installer Spotlight: American Installations

Innovation in insulation installation... try saying that five times fast. American Installations rolling up to the job site. Ventilated Rotary Nozzle on the cellulose blower. Cardboard strips used as clamping...

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Airtight Wright: Using INTELLO to Restore an Architectural Relic

Airtight Wright: Using INTELLO to Restore an Architectural Relic

Lynette Widder. Usonia Historical District, Pleasantville, NY IKaneji Domoto’s Lurie House before being air sealed with Intello. Look at all the firewood they needed to keep that leaky assembly warm!...

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