September 12, 2022 - September 13, 2022 Duct and Envelope Tightness (DET) Verifier Southface 241 Pine Street NE, Atlanta This two-day course is designed to introduce the skills necessary to become a Duct and Envelope Tightness (DET) Verifier, certified to perform the diagnostic testing required for new homes by … Continue reading "Duct and Envelope Tightness (DET) Verifier"
