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Join us at NAPHN19

Join us at NAPHN19

Join us at NAPHN19 & Let’s Build The World We Want 475 is founded on the notions of knowledge sharing, community building, and providing the best-in-practice solutions and components. We're proud supporters and participants of the NAPHN19 Passive House conference coming up June 27-28 in New York City. If you're also interested in lear … read more

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Project Spotlight: Lunos Brings Comfort to an Airtight Home

Project Spotlight: Lunos Brings Comfort to an Airtight Home

Home is Where the HRV is: Paul Kuenn, energy retrofits, and the Lunos HRV 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 consulting company in Appleton, Wisconsin. One of Paul’s greatest proje … read more

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The Ten Golden Rules for Foam-Free Flat Roofs

The Ten Golden Rules for Foam-Free Flat Roofs

Ten Golden Rules for Foam-Free Flat Roofs When insulating a flat roof wood structure, 475's goal, as always, is to do it in the most healthy, structurally sound, durable, and ecologically friendly way - achieving truly high performance. This means we try to generally avoid using foam above or below the roof deck (for more on that, see … read more

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Project Spotlight: A Green Professional Walks The Walk

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 development and construction of over 24 MW of projects since 2016. Byers has designed and managed sol … read more

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7 Reasons Why Lightway Is the Best Solar Tube

7 Reasons Why Lightway Is the Best Solar Tube

7 Reasons Why Lightway is the Best Solar Tube Not everyone in North America is familiar with solar tubes (also known as sun tunnels, sun pipes or light tubes), but luckily the name is self-explanatory: essentially a tube that reflects daylight into spaces that are otherwise dark interior spaces. As a company, we choose to only distribut … read more

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NYC & Vancouver are Climate Agitators: Be One Too

NYC & Vancouver are Climate Agitators: Be One Too

NYC & Vancouver are Climate Agitators: Be One Too Climate action continues to be led by the cities, and Vancouver and New York City have formed perfect bookends of what must become a continent-wide movement if we want to make the progress called for by recent climate science. In the market transformation and disruption underway, e … read more

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