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Furnace Sounds That Should Probably Scare You

May 29

furnace repairFrom the low rumble of the blower motor kicking on to the high-pitched squeal of metal against metal, there are a lot of furnace sounds that can be cause for alarm.

But how can you tell if your furnace's noise is something to be concerned about? Do they indicate immediate furnace repair Edmond, OK Verdi, NV? Here, we break down some of the most common (and potentially dangerous) furnace sounds and what they could mean for your system.

Is It Normal for a Furnace to Make Noise? 

Well, sort of. Any furnace produces some noise when running, especially when it cycles on and off. After all, it is a machine with lots of moving parts. The sound is usually a low rumble or whir that comes from the blower motor kicking on. You might also hear clicking sounds, and this is considered normal.

However, certain noises indicate a problem and require professional furnace repair Edmond, OK Verdi, NV. They can be anything from a high-pitched squeal to banging or popping noises.

7 Types of Alarming Furnace Noises & How to Fix Them

Have you ever woken up in the middle of a cold night, only to be alarmed by an unidentified noise coming from your furnace? You're not alone! Furnaces can make all sorts of sounds, some of which could signal serious trouble.

Pay attention to these noises coming from your unit, as they might indicate the need for professional furnace repair Edmond, OK Verdi, NV:

  1.   Banging or Popping

Do you constantly notice banging or popping noises? It might be due to "metal fatigue." It occurs when the metal parts of your furnace expand and contract with heat, causing them to break down eventually.

If left unaddressed, metal fatigue can cause severe damage to your furnace and lead to a complete breakdown. Hence, it is crucial to have a professional look at it right away.

  1.   Humming

Humming noises are usually nothing to worry about and are simply the result of your furnace's motor running. But if you notice any other strange noise or symptom accompanying the noise, it could indicate a more serious problem. Again, it's best to have a professional take a look at it just to be sure.

  1.   Whistling

Whistling noises are usually the result of a build-up of dust and debris on the burner assembly. When the burner ignites, the air surrounding it is heated and causes the dust and debris to vibrate – hence, the whistling sound.

While this isn't necessarily a cause for alarm, it is something that should be addressed by a professional. Otherwise, the build-up of dust and debris may eventually lead to a complete clogging of the burner assembly, which would prevent your furnace from being able to heat your home correctly.

  1.   Squeaking

It is usually the result of loose parts or inadequate lubrication. If the noise is due to loose parts, it's essential to have a professional tighten them so that they don't come loose and cause further damage.

If the squeaking noise is due to inadequate lubrication, you need to add more lubricant. Not enough lubrication can cause the moving parts of your furnace to wear down prematurely, leading to a complete breakdown.

  1.   Rattling

Rattling is usually the result of something called "airflow issues." When the airflow in your furnace is restricted, it can cause the unit to overheat as well as the parts to rattle. 

If left unaddressed, airflow issues can cause serious damage to your furnace and may even lead to a complete breakdown. It would be best if you had a professional examine it right away.

  1.   Clicking

This one is usually nothing to worry about and is simply the result of the various parts of your furnace turning on and off. However, if the clicking noise is accompanied by any other strange noise or symptom, a more serious problem might be heading the way. If you hear clicking noises coming from your furnace, your best option is to call a pro for furnace repair Edmond, OK Verdi, NV.

  1.   Hissing

A gas leak is the most common reason for a furnace to start hissing. If you think you might have a gas leak, it is important to evacuate the area immediately and call your gas company.

Do not try to repair the problem yourself - only a professional should do that. Gas leaks are hazardous and can lead to explosions, fires, and exposure to poisonous gases.

When in doubt, always err on the side of caution and call an HVAC technician for furnace repair Edmond, OK Verdi, NV. They'll be able to diagnose the problem and make the necessary repairs.

Get Rid of Those Creepy Sounds for Good!

You no longer need to put up with all those strange noises. Several HVAC companies, such as Lincoln Heating and Air, offer furnace repair Edmond, OK Verdi, NV. All you need to do is give them a call at (775) 507-4150, and they'll send a technician to your home to check your furnace.