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New Rudd air handler making noise like a jet taking off. Whirring noise like a yhigh pitcher tuning fork. Multi speed motor that makes sound when slo down also. Not a duct problem new unit

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Likely have a bad motor module. Fans do commonly sound a little different when starting but not when staging or when shutting off

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We have recently purchased a new home and the UBHK-25J21SFA air handler makes a whistling little tune and then the heat comes on. Never fails to work but noise is annoying.

Make sure the air is balanced... air handlers are rated @ a certain design static pressure. The static rating is on the air handler tag. Have someone measure that static. Too often hvac installers don't know much about airflow & they will undersize ductwork. Then again it could just be a dirty coil.

Nov 27, 2013 | Heating & Cooling

1 Answer

Smelled burning. coming from the vent. not cooling. unit making a odd sound. turned it off. noise stopped.

The air handler motor just burnt will need to remove the blower from the air handler and change the motor..


Aug 27, 2011 | Honeywell Heating & Cooling

1 Answer

When air handling unit stops it would make a shuddering sound.Now it won't run at all. Outside fan is working Tried to run just fan on the thermostat still will not run .It is a RUDD model...

The indoor blower squirrel cage or the motor went bad....
Open up the air handler and check the blower... you will find the problem right there...


Aug 21, 2011 | Ruud Heating & Cooling

1 Answer

I am hearing a noise, like a whirring sound that speeds up with the acceleration and makes no noise when in park. Does this sound like cv joint trouble?

a whirring sound can be a bearing on a component under the hood.(power steering pump,alternator,idler pulley bearing,etc),it can also be a serpentine belt from a worn belt or belt tensioner a cv joint won`t make a whirring sound(it will cause a clunking noise or a vibration).

Mar 24, 2011 | 2004 Pontiac Grand Am

1 Answer

My rudd air handler motor is stalled. The motor turns freely but when it goes to start it is pulsing like the reduced speed control signal is being chopped. the unit is 4 years old and this is the first...

Is this a regular motor or an ECM motor...
If it is a regular motor then try to change the cap. and see if it helps, but probably the motor is no good.
If it is an ECM motor then the controller has gone will need to replace the control board.


Sep 23, 2010 | Ruud Heating & Cooling

1 Answer

What is the size of coil in air handler is it 3 1/2 ton and believe that rudd only made 2 ,3 , 4, 5 , ton coil is this right

It is a 3.5 ton air handler and without knowing for sure about Rudd only making those sizes which they should, they more than likely would have gone up to a 4ton coil. One way to cross check this, is to see what ton the condenser outside says it is. If you have a 4ton condenser, then you should have a 3.5 to 4 ton coil, either being okay. What you don't want, is a 3 ton coil and a 4 ton condenser and so on. A half ton isn't going to be a problem regardless, but if anything, you can always take the measurements of the coil if you are trying to replace it.

Feb 03, 2010 | Ruud UAMB042 Air Conditioner

1 Answer

Heater fan is making noise. Sounds like motor bearings

This may or may not help you.If the sound you hear is a constant whirring/grinding sound it may be the fan motor.If the fan takes a few seconds longer to speed up when you increase the speed it could still be the fan.If the sounds you hear are clicking sounds and they get quicker or slower as you play with the fan,it may well be leaves or junk in the fan housing.Its a common thing.Hope this helps you either way

Jan 08, 2010 | 2003 Volkswagen Passat

1 Answer

I have a Rudd Achiever 14 and I want to know if

Take the front panel off the air handler and look for a heat element. You should notice controls and relays with larger wiring to it. It may not have any heat but you can add it.

Jan 05, 2010 | Ruud Handler Air Conditioner

1 Answer

Inside the house I hear a loud squealing sound whenever the air conditioner comes on. It is still cooling just fine. It is a Rudd, about 10 yrs old.

alot of times that noise is coming from the orifice in the air handler it is the gas flowing through the screen could have pick up something in the lines

May 17, 2009 | Ruud UAKA030 Air Conditioner

2 Answers

Something got stripped in my VillaWare 5787

you may have stripped the motor gear sek out a new unit

Dec 27, 2007 | VillaWare 5787 Double Smoothee Work Top...

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