What Is an Air Handler?

An air handler is a core indoor HVAC component that moves air through your home ductwork. It works alongside your air conditioner or heat pump to distribute conditioned air throughout your living spaces.

How an Air Handler Works

The air handler contains a blower fan, evaporator coil, and filter. When your thermostat calls for cooling or heating, the blower fan pulls air from your home through return ducts, passes it over the evaporator coil, and pushes the conditioned air back through supply ducts.

Signs Your Air Handler Needs Attention

Weak airflow from vents, unusual noises from the indoor unit, uneven temperatures between rooms, and higher than expected energy bills can all indicate air handler problems.

Maintenance Tips

Replace your air filter regularly, listen for unusual sounds, and schedule professional HVAC maintenance annually to keep your air handler running smoothly.