18 Oct '15, 2am

Creating High-Performance Walls

Creating High-Performance Walls

exhibit at AIA Portland (which ran through September 10) examined the role that buildings — especially building enclosures — can play in helping to diffuse climate change. As examples, the exhibit drew on four projects built by Hammer & Hand: Karuna House designed by Holst Architecture; Pumpkin Ridge Passive House A residential building construction standard requiring very low levels of air leakage, very high levels of insulation, and windows with a very low U-factor. Developed in the early 1990s by Bo Adamson and Wolfgang Feist, the standard is now promoted by the Passivhaus Institut in Darmstadt, Germany. To meet the standard, a home must have an infiltration rate no greater than 0.60 AC/H @ 50 pascals, a maximum annual heating energy use of 15 kWh per square meter (4,755 Btu per square foot), a maximum annual cooling energy use of 15 kWh per square meter (1.39 kWh per s...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/guest-blog...

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High Performance Walls, Part 3.

High Performance Walls, Part 3.

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Detailing Exterior Walls in Minnesota

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Work is underway in Austin, Texas, on two housing subdivisions that emphasize energy efficiency, including one in which al...

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