Wisdom & Associates

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    • Building Inspections
    • Energy Audits
    • Classes
      • In-Person Classes
      • Residential Endorsement
      • Online Contractor Credits
      • Online Plumb/Mech Credits
      • All Classes
    • Building Science
      • Dew Point Predictor
      • Air Leakage Cost
      • Window Performance
      • Alaska Ventilation
      • Fuel Cost Comparison
      • Insulation Payback
      • Building Heat Loss
    • Structural Design
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  • Home
  • Building Inspections
  • Energy Audits
  • Classes
    • In-Person Classes
    • Residential Endorsement
    • Online Contractor Credits
    • Online Plumb/Mech Credits
    • All Classes
  • Building Science
    • Dew Point Predictor
    • Air Leakage Cost
    • Window Performance
    • Alaska Ventilation
    • Fuel Cost Comparison
    • Insulation Payback
    • Building Heat Loss
  • Structural Design
  • About Us
  • Contact Us

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 Windows play a major role in both heat loss and solar gain. This tool estimates the net annual energy impact of a window based on its area, U-value, SHGC, and orientation, taking Alaska's latitude and sun angle into account. Compare window options and see which designs yield the best year-round performance. 

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