Description:This one-day course teaches students techniques to identify envelope pressure boundaries. Students receive instruction on performing and understanding zonal diagnostics to identify and locate house and duct leakage areas to help guide air sealing measures. The course teaches fundamentals of pressure differences and the effects of the HVAC duct system on vented combustion appliances. This course is approved for 3.75 BPI CEUs, 8 KY HVAC CEUs, and 8 KY Building Code Inspector CEUs.