May 3, 2021 @ 9:00 am - 1:00 pm Duct and Envelope Tightness (DET) Verification Training Zoom (Video Conference) If you work in construction and take pride in delivering homes that are energy-efficient, comfortable, safe and code-compliant, then Duct and Envelope Testing (DET) Verifier training is a great skill … Continue reading "Duct and Envelope Tightness (DET) Verification Training" $550
