Retrotec Residential DucTester Certification Course (DM32 / DM32X)
Retrotec Residential Duct Leakage Testing Certification (300 Series & DM32/DM32X) Earn a Retrotec Manufacturer's Certificate for residential duct leakage testing with the 300 series DucTester and DM32 or DM32X gauge. Many states and counties recognize this certificate for duct testing compliance. Course Details Online, available year-round About 2–4 hours to complete No prerequisites 28 multiple-choice questions; score 100% to pass, with retakes allowed Earns a Retrotec Manufacturer's Certificate
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- Default Title — 250.00 USD — In stock
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