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Natal's Air Conditioning, Plumbing & Electrical Blog

3 Signs of a Malfunctioning Furnace


Most homeowners want to know one important set of facts when they speak to an HVAC professional–and that’s what’s wrong with their system. It might be fun or an interesting exercise to talk about the inner workings of your furnace system, but how much does this information actually affect you? Does knowing what your blower fan is help when the furnace exhibits a strange sound and starts blowing out warm air? It might help a little, but you’d probably rather know what’s wrong, right?

Well, we get it. We’re not people who like to beat around the bush for any reason. If you’ve got a malfunctioning furnace system then we can provide furnace repairs in Mandeville, LA. And, to make things even easier, we can fix it in record time if you tell us about the symptoms your system might be exhibiting.

Here are just a few examples of what could be going wrong and how you can relay the information to us.

It’s Making a Strange Noise

When your furnace makes noises, it’s actually using a language that we can understand! Like when a baby cries or a car sputters out, we can detect bad noises and then do something about them.

So, here are a few examples of noises that your heating system might be making. Our tip will be that none of these noises are good and all of them warrant help from a professional HVAC technician. So give us a call if they sound familiar.

  • Booming. A booming furnace is likely dealing with delayed gas ignition. This is a big issue because it’s basically a miniature explosion inside of your furnace. Get it fixed quickly so your furnace can operate safely and efficiently.
  • Buzzing. Buzzing noises are almost always related to the electrical components of the furnace. Our team specializes in fixing these.
  • Grinding or Rattling. Grinding or rattling can be either your blower fan rattling up against its housing after being misaligned or another component that’s gotten loose.
  • Nothing. Hold your horses, your furnace should be making some sound when it runs. If your house is dead silent and you’re sure no machinery is running, then that’s a problem in and of itself!

It Smells Awful

If your furnace smells offputting, it might be from a gas or carbon monoxide leak. While these are highly unlikely to occur, they can still happen and they pose a threat to you and your family.

Our team can test your indoor air to make sure there are no fumes coming from the system. And, if there are any leaks coming from your furnace, then we can quickly fix them and get your home back on track.

Your Furnace Is Running Inefficiently

How high is your heating bill? If you’re fine with paying it every month then you might not be having any issues. But if you’ve noticed your budgeting get out of hand because your heating costs have risen dramatically, then it could be due to an inefficient furnace. Furnace inefficiency can be caused by a problem that our professionals have the tools and training to repair.

Call Natal’s HVAC, Plumbing & Electrical for comprehensive furnace service. Service Honoring the Golden Rule.

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