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Building Airflow Standard Calculator

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Program/s: EmPower+
To: Participating Contractors
Summary: Building Airflow Standard Calculator
Questions: Please contact Contractor Support at 1-800-284-9069.

In response to a recent suggestion from a program contractor, for EmPower+ Contractors using the Comfort Home Building Airflow Standard Calculator, an ACH50 calculation has been added to the tool.  The inputs remain the same as the prior version; however, the calculated values now include the number of air changes per hour at 50 pascals.  We hope that you find this addition helpful. A copy of the tool can be found on the contractor support site, in Section 8 of the Program Manual.