Intro

If your AC is making loud noises, it is trying to tell you something is wrong. AC systems should not be noisy.

What This Problem Means

Noises usually mean a part is loose, worn, or failing.

Homeowners may hear:

• Banging

• Rattling

• Screeching

• Buzzing

Common Causes

• Loose parts

• Worn motor bearings

• Fan problems

• Electrical issues

• Debris inside the unit

Safe Things a Homeowner Can Check

• Turn system off

• Check for loose panels

• Look for debris near outdoor unit

Do not put hands inside the system.

When to Call a Professional

Loud noises can lead to system failure. Electrical and motor repairs require proper tools and training.