What to do about condensation or ice build up in insulated duct to the outside of my Fantech VHR 2004?
- JJane MaldonadoSep 4, 2025
To address condensation or ice buildup in the insulated duct of your Fantech Fan, tape and seal all joints to ensure a complete vapor barrier. Also, tape any holes or tears in the outer duct covering and ensure the vapor barrier is completely sealed.






