ORNL Whole Wall R-value Calculator

http://www.ornl.gov/sci/roofs+walls/AWT/InteractiveCalculators/NS/Calc.htm

New Whole Wall R-value Calculators As A Part Of The ORNL Material Database For Whole Building Energy Simulations

These calculators are replacing the old Whole Wall Thermal Performance calculator. These new versions of the calculator contain many new features and are part of the newly developed Interactive Envelope Materials Database for Whole-Building Energy Simulation Programs.

The simple version of the Whole Wall R-value calculator is now available
for use. This calculator is similar to the previous Whole Wall Thermal
Performance calculator and does not require any downloads from the user.
However, it was updated to allow calculations for fourteen wall details
instead of nine. It simply runs over the Internet. Use this calculator for
whole wall R-value calculations and for direct comparisons of different
wall technologies. This calculator uses a residential building containing a
rectangle slab-on-grade foundation with one floor containing a set amount
of windows and doors. A link is available for detailed specifications of
the example building.



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