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Signs Your Air Handler Is Failing

2026-02-25 4 min read
Signs Your Air Handler Is Failing

The air handler is the indoor half of your split system — and when it struggles, your whole home feels it. Here are the signs it may be failing.

Warning signs

Weak airflow from your vents.

Frozen indoor coil.

Strange noises — humming, rattling, or squealing from the indoor unit.

Water pooling around the air handler.

Burning smell when the fan runs.

System short-cycling on and off.

Common failures

Blower motor failure, bad capacitors, clogged coils, and cracked drain pans are frequent air handler issues. Many are repairable; a severely failing unit may need replacement, ideally matched to your outdoor condenser.

Don't ignore it

A failing air handler strains the rest of your system and can lead to compressor damage. If you notice these signs, call us for a diagnosis before a small problem becomes a major breakdown.

The Martin Family Team

Martin's Family Cooling — licensed & insured HVACR contractor serving Broward & Miami-Dade.

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