InterNACHI®️ Forum
Watch this video on inspecting HVAC duct leakage and energy loss
gromicko
(Nick Gromicko, CMI)
September 13, 2021, 6:20pm
1
https://www.nachi.org/webinars/2017/inspecting-hvac-duct-leakage-and-energy-loss
This week's (September 16, 2021) updates: