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Insulation Calculator

It's sometimes difficult to decide what energy conservation investment will provide the most comfort (and financial return). This spreadsheet should help you see where your heating and air conditioning is going, and will let you compare your upgrade options.

Indoor Temp (F): Outdoor Temp: Attic Temp:
Infiltration: ceiling
height
House
Area
air changes/
hour
Latent Heat: Indoor HR Outdoor HR
Diffuse Radiation: BTU / sq ft.
Total Heat:

This Calculator Supplied courtesy of Chuck Wright Consulting, Technology Serving Sustainability