21 Jun '13, 9am

Energy Nerd: New Green Building Products

The company offers three levels of thermal performance. The lowest level is called Classic; these windows come with double glazing When referring to windows or doors, the transparent or translucent layer that transmits light. High-performance glazing may include multiple layers of glass or plastic, low-e coatings, and low-conductivity gas fill. . The intermediate level is called Thermo; these windows are triple-glazed. The top level is called Thermo Plus 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 ann...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/musings/ne...

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