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Cunningham Associates
Heating and Air Conditioning, Inc.

Four Sounds that Indicate You Need Furnace Repair

Although furnace repair may not be exactly the fun activity you had in mind for this weekend, having a working furnace in winter is crucial and you can’t afford to let yours break down. On the plus side, hiring a professional means you won’t need to spend your time on repairs and can still have time for your fun weekend. Here are four sounds that indicate you should call in Cunningham Associates to repair your furnace:

1. Banging
If you hear a banging sound from your furnace, listen closely for the frequency and placement of the sound. If the sound is coming from the ductwork, it could simply mean that a piece of ductwork needs reinforcing, but if it comes from the furnace itself the problem may be much more serious. If you hear a bang from the furnace itself just when it’s starting up, you could have a problem with delayed ignition. If you don’t get this fixed, it could damage the internal workings of your furnace.

2. Excessive Rumbling
If the furnace is making a sound that is a bit like a car’s wheel bearing going bad, it could be the sound of bad bearings inside the furnace. Like wheel bearings, this is a dangerous condition.

3. Any Strange Motor Sounds
Because your furnace’s motor may have individual quirks, you should compare any sounds it makes to its normal operational sounds. If you hear any unusual sounds coming from the motor, something has changed and that usually indicates a motor problem.

4. Screeching or Shrieking
If you hear a shrieking sound, it could be that the blower fan has come loose, changed position, or in some other way malfunctioned. You should get this fixed right away because a loose fan can not only beat itself up but also damage other parts that it hits.

Any of these types of sounds show that you should call a repair professional for your furnace. If you hear one of these sounds (or another odd sound) and aren’t sure how to fix it, don’t be embarrassed to give us a call for some professional advice!

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