RED Calc Free

v1.0, Legacy Tool

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Summary: calculates the stack-induced, the wind-induced, and combined infiltration rates for given indoor/outdoor temperatures and wind speed. See Tool Guide. Click on any input or result label for help. By using this tool (application) you agree to the Terms of Use.

This legacy tool is NOT optimized for mobile devices. Stay tuned for the mobile-optimized version 2.0.