Why Is My Furnace so Loud? - AnyDay Heating & Cooling
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Why Is My Furnace so Loud?

It’s normal for a furnace to make a little noise, but if you hear unusual sounds coming from your furnace, it may need to be repaired. The most common noises that come from a damaged furnace include whistling, rattling, squeaking, banging, and booming.

Loud noises could indicate the following issues:

Damaged Motor Bearings

Listen closely to identify if the loud sounds are coming from the motor. The motor bearings could be worn down, in which case, you should notify an HVAC professional to schedule furnace repair.

Holes in Ducts

If you notice an eerie whistling sound coming from your furnace, holes and cracks in your ductwork could be a problem. This is common in older furnaces, and should be repaired right away to prevent further damage.

Expanding Air Ducts

Static pressure in the ductwork of your furnace can expand, making a loud banging noise. There can be several causes of high static pressure, including undersize ducts, closed supply vents, or dirty air filters.

Oil-canning Ducts

Oil-canning means there is a weak spot in the ducts that requires more support. You can fix this issue by screwing a thicker piece of metal onto the weak spot in your ducts. To identify this problem, listen to see if banging noises are coming from the ductwork.

Ignition Roll-out

An ignition roll-out is a small explosion that occurs when the furnace starts running. If you see an extra flame or notice the doors to your furnace are shaking, contact a licensed technician right away. While ignition roll-outs aren’t very common, they could be dangerous.

Schedule Furnace Repair in Raleigh-Durham

For reliable furnace repair in the Raleigh-Durham, NC area, contact AnyDay Heating & Cooling. We are dedicated to enhancing the comfort and efficiency of your home. Our heating and cooling professionals will get your furnace running smoothly again in no time.

Schedule your furnace repairs online today with AnyDay Heating & Cooling!

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