1.6 : Embodied Energy of Building Assemblies




1.6.1 Embodied Energy of Commercial Windows in the U.S.
Embodied Energy CO2 Equivalent
Window Type (MMBtu/SF) (1) Emissions (lbs/SF)
Aluminium 0.973 190.1
PVC-clad Wood 0.447 88.3
Wood 0.435 90.9
Vinyl (PVC) 0.557 111.7
Curtainwall Viewable Glazing 0.233 66.1
Note(s): 1) Embodied Energy: Energy use includes extraction, processing, transportation, construction, and disposal of each material. Assumptions: Low rise building. Values are general estimations for the U.S. 60 year building lifetime. Low-e, double-pane, argon-filled glazing. All assemblies are insulated to IECC 2009 minimums for zones 3 and 6.









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