Residential DucTester course with DM32 or DM32x gauge

Learn the principles of duct leakage testing including how to set up, operate, and troubleshoot your equipment for Code compliance. Upon successful completion of this course, technicians will receive Retrotec’s “Manufacturer’s Certificate” which qualifies them to operate the Retrotec duct testing system. This course is recognized in numerous states and counties as certification to complete a test on a residential duct system. We do recommend you check with your local officials as to the specific requirements in your area.