American Standard
Airflow Imbalance / Duct Issues
Furnace runs but some rooms are too hot while others are too cold
Advertisements
Possible Causes
Closed or unbalanced supply dampers, Leaking ducts in attic or crawlspace, Undersized return in certain zones, Improper blower speed setting on American Standard furnace
How to Fix / Troubleshooting
Safety: Use caution in attics and crawlspaces.
- Adjust dampers:
- Open registers in cold rooms and slightly close in hot rooms.
- Inspect ducts:
- Seal visible leaks with mastic or UL-181 foil tape.
- Have an HVAC professional perform a duct balancing and blower speed adjustment if needed.
Advertisements
Repair Difficulty
Easy
2/5
Advertisements