Building Envelope Systems

Submitted By
Brianny Martinez

In addition to R38 roof and 12/5 schedule:

a) Building Envelope related decisions

  • WWR - (15%-40%)
  • Wall construction R-38 Wood
  • Triple LoE windows
  • Window shades - 2/3 height
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b) Plug loads and Lighting

  • Plug load efficiency: between 0.6 and 1.3
  • Lighting efficiency: 0.3

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c) Adding PV to the design

  • 20.4% panel efficiency
  • payback: 20 -30 years
  • 75% - 90% surface coverage
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