Heil
Excessive Humidity / Sweating Ducts
Heil air conditioner causes water to drip from supply vents
Advertisements
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Advertisements
Possible Causes
Low airflow across coil, Oversized AC unit, Poor duct insulation, Very low supply air temperature from low charge or TXV issues
How to Fix / Troubleshooting
Safety first: Turn off power before opening ductwork or air handler.
- Step 1 – Replace filter and open vents: Ensure proper airflow by using a clean filter and opening all vents.
- Step 2 – Check fan speed: Have a technician verify that the indoor blower speed tap is set correctly for cooling on your Heil air handler.
- Step 3 – Insulate ducts: Add or repair insulation on cold supply ducts in humid spaces like attics or crawlspaces.
- Step 4 – Dehumidification: Consider adding a whole-house dehumidifier if humidity remains high.
Advertisements
Repair Difficulty
Medium
3/5
Advertisements