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air handler making loud noise

HVAC

The answer to 'air handler making loud noise' is that there are several common causes, including worn bearings, a loose blower wheel, or a problem with the motor. Symptoms may include a high-pitched whirring, grinding, or banging noise coming from the air handler unit. Solutions can range from simple DIY fixes to more complex professional repairs.

If the noise is mild and intermittent, it may be something you can address yourself, such as tightening loose screws or replacing worn parts. However, if the noise is loud, persistent, or accompanied by other issues like reduced airflow, it's best to call in an HVAC professional to diagnose and repair the problem. Attempting complex repairs on your own can be dangerous and may end up causing more damage.

Sources

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ENERGY STAR• authority
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Step-by-Step Guide

  1. 1

    Inspect the air handler unit

    Visually inspect the air handler unit to look for any loose, damaged, or worn components that could be causing the noise.

  2. 2

    Tighten or replace parts

    If you identify a loose screw or other minor issue, you may be able to tighten it or replace the part yourself. Be sure to turn off power to the unit before attempting any repairs.

  3. 3

    Call an HVAC professional

    If the noise is persistent, loud, or accompanied by other issues, it's best to call in an HVAC technician to diagnose and repair the problem.

Frequently Asked Questions

How do I know if the air handler noise requires professional repair?

If the noise is loud, persistent, or accompanied by other issues like reduced airflow, it's best to call in an HVAC professional to diagnose and repair the problem.

What are some common causes of air handler noise?

Common causes include worn bearings, a loose blower wheel, or a problem with the motor, which can result in a high-pitched whirring, grinding, or banging noise.

Can I fix an air handler noise myself?

If the noise is mild and intermittent, you may be able to address it yourself, such as tightening loose screws or replacing worn parts. However, complex repairs should be left to a professional.

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