Central Air Conditioner Noise
Ac Noise Discussion Location

Why Is My Central Air Conditioner Making Noise?

Link below are common central air conditioner noise problems we received from visitors to central air conditioner and refrigeration cycle. Com.

You will need to scroll down and search the link for the information you need to read or discuss.

What will you find in these lists of air conditioner problems?

Discussion & Solution 4 Your Ac Noise

If there is malfunction part to a central air conditioner unit, it will make noise (not all part will product sound). We will try to explain where the noise is coming from. By the way, post your air conditioning noise below and we will update this list.

Indoor Blower

In an indoor blower, there is the motor, fan blade, and the house. It will produces sound if the motor rotates and it blade is touching the house.

The indoor motor wills produce sound if the frame had loose screws. It will also make sound if it about to breaks or touching other foreign objects.

Central Air Conditioner Making Clicking Noise Outside

The clicking sound could be from the contractor or the relay.

The Condenser Fan

There will be stick, leaves, and other material children intend to put in the condenser unit. It will make this sound if the material is hitting the fan.

Duct Sounds

These sounds could be from small ductwork, flexible ducts, metal ductwork expands and contracts.

Bubbling Sound From Central Ac Unit

Some homeowners may had experience this bubbling sound from their indoor units.

This sound could be from the condensation line restriction. Cleaning the condensation line could unclog it.

Other Visitors Air Conditioner Noise Problem

Click below to read other visitor ac noise problem...

Thumping Sound When Indoor Fan Spins Down 
Recently my indoor blower has gotten extremely loud. There is lots of vibration on the handler unit when running and when it cuts off, as the fan spins …

Air Conditioner Buzzing Noise 
March 20, 2011 Inside my upstairs apartment, I can hear the air conditioner in the downstairs apartment, and I cannot sleep. It made my wall vibrates …

Pretty Loud Click or ping on start of Air Handler, shuts of with one knock sound 
It's a new (6 weeks) Bryant heat pump and over the last week a click on startup appeared. Definately in the air handler. When the air handler shuts off …

Hissing Noise, Like Air Being Let Out Of a Tire or Ball 
The noise is heard when the condenser is turning off after heating the house. The hissing sounds like it is coming from either inside of the unit, or right …

Best Discription I Can Give Is Whistle 
This is a Lennox brand central air and heating unit installed in the attic. It has a metal strip you remove to install the ac filter, and slide into place. …

Starts under load makes boom sound 
When this unit starts, my wall shakes (wall is 24" away and brick). It makes a boom sound and then starts up. The installation was made on this unit …

loud, on the inside of the house 
The noise is definitely coming from the blower on the inside of the house in the basement. I checked the outside unit and it sounds perfect. The …

Continuous Hissing Noise While The Outside Unit Runs 
The only way I can describe it is that it sounds like a car tire deflating after a screw or nail was removed from it. It's a continuous "ssssssssss" kinda …

Dripping Noise 
My central ac unit is in the attic. When the air is on there is a dripping noise in the laundry room (washing machine drain pipe). Is this something …

Sounds Like an Air compressor Recharging 
I have an Rheem classic series heat pump air conditioner unit and it makes the sound of an "air compressor recharging" after the unit is off when it's …

Noise Like Rain 
There is a noise near some ceiling vents that sounds like rain on a tin roof or perhaps like paper being crinkled in your hand. It is quite noisy at one …

A/C and heat unit makes "slamming" noise when stops 
When my A/C or heat turns off, we hear a fairly loud slamming noise in the house. It sounds like a metal flap slamming shut.

Compressor Noise And Not Running 
When outside unit is first turned on a loud hissing noise around compressor starts and lasts an average of three minutes. During this time period both …

Compressor In Condenser Unit Running Loud 
Our central air conditioner unit seems to be running fine that we can tell, but it seems our compressor is running louder than normal. There is a loud …

Carrier Central AC making Loud "buzz" noise when kicks on 
When the central ac unit kicks on every time this past week, there is a loud noise, sounds like a machine fart. This is a Carrier Model # 38CKC042350 …

increased noise from central air conditioner units 
My central air conditioner seems to work fine, but lately it is louder than usual. mostly I hear a noise that resembles a "click" when it turns on (coming …

Noise from the unit outside 
Every time the central ac unit kicks on it make a trouble noise like a crashing sound. Most of the time it is really loud sometimes not so loud, but it …

Central Ac Made Jet Engine Sound 
From the outside unit and in the attic. Also a loud clicking noise on thermostat when it kicks in.

Central Ac Unit Made Clicking Sound 
when turned on it makes a click sound as if trying to turn on. I heard it at the thermostat in the house. It is the sound when the a/c unit is turn …

Constant Clicking Noise 
My home central air conditioning unit makes a constant, non-stop clicking noise (usually when the desired temperature is reached). What is causing this? …

Air Conditioner Fan Comes On But Then Goes Off and Makes a Buzzing Noise Not rated yet
My central air conditioner unit will come on, but the outside fan will stop and it makes a buzzing noise. The air coming through the vents inside the house …


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