RATERusa > Duct System Sealing Verification
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Duct System Sealing Verification

RATERusa Membership Verifiers provide verification for National Building Performance Programs using Certified Verifiers with Authorized Tools. This tool, called the Duct Tester, measures the Cubic Feet Per Minute (CFM) of the Duct System leakage, assuring the duct system has been properly sealed by the HVAC Installer.

National Building Performance Program Guidelines -and- Energy Codes or Standards

                
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