Luxaire Airflow Imbalance

Furnace runs but some rooms are much colder than others.

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Possible Causes

Improperly adjusted dampers, Blocked ducts, Undersized branch ducts, Dirty filter restricting overall flow

How to Fix / Troubleshooting

Safety: Ensure the furnace is off before reaching into ducts.

Steps to check:

  • Open all registers: Confirm supply registers in cold rooms are fully open.
  • Adjust dampers: If manual dampers are installed on trunk lines, adjust them to direct more air to colder zones.
  • Filter: Replace a dirty filter to restore full airflow.

Persistent imbalance may require duct modifications or zoning by an HVAC professional.

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Repair Difficulty

Easy 2/5
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