{"id":42308,"date":"2014-09-24T10:15:05","date_gmt":"2014-09-24T10:15:05","guid":{"rendered":"http:\/\/leedpoints.com\/?guid=02978e20cc5b07f8ecf7a5ef37bd4f7d"},"modified":"2014-09-24T10:15:05","modified_gmt":"2014-09-24T10:15:05","slug":"highlights-from-the-north-american-passive-house-conference","status":"publish","type":"post","link":"https:\/\/leedpoints.com\/green-building-blog\/highlights-from-the-north-american-passive-house-conference\/","title":{"rendered":"Highlights from the North American Passive House Conference"},"content":{"rendered":null,"protected":false},"excerpt":{"rendered":"
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\n PHIUS’s ninth annual conference had great presentations, a look at where the standards are going, and a bunch of the smartest people in building science <\/div>\n<\/p><\/div>\n<\/div>\n
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The 9th annual North American Passive House<\/span>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 square foot), and maximum source energy use for all purposes of 120 kWh per square meter (11.1 kWh per square foot). The standard recommends, but does not require, a maximum design heating load of 10 W per square meter and windows with a maximum U-factor of 0.14. The Passivhaus standard was developed for buildings in central and northern Europe; efforts are underway to clarify the best techniques to achieve the standard for buildings in hot climates.<\/span> Conference happened two weeks ago in the San Francisco Bay Area of California. The Passive House Institute U.S. (PHIUS)<\/a> has been holding this conference every year since 2006, and it just keeps getting better.<\/p>\n

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