Why Is My Heating System So Loud?

It can be troubling when you hear certain noises coming from your home’s heating system, to say the least. Loud noises can often mean something has gone wrong inside your heating system — however, these issues are often easy for a professional to fix.

Don’t sit in a noisy house just willing the sounds to go away — have your noisy heating system fixed today.

Why Is My Heating System Making So Much Noise?

If your heating system makes loud noises, it’s often a sign that something is wrong. Common causes of these disruptive sounds include loose or damaged components, airflow issues, or natural wear and tear from an aging unit. While some noises may signal the need for minor repairs, others could point to more significant issues that require a full system upgrade.

Sounds You Might Hear From Your Heating System & What They Mean

Several noises may start coming from your heating system, and they’re often so loud and annoying that they can’t be ignored. Here are some of the noises you might hear and why:

• Squealing or screeching: These can be the most aggravating noises, and they sound kind of like nails on a chalkboard. If you hear squealing or screeching from your heating system, it could be a worn-out belt. It’s important to get your belt replaced before it breaks.
• Thwapping: If you hear a deep thwapping noise, this is usually caused by an obstruction between your blower blades. When something gets lodged or stuck, this results in a thwapping sound. This could cause excessive wear and tear to your heating system.
• Clicking: Your system will click as it turns on and off. That’s normal. However, if your system begins to click constantly, or it clicks a lot while it’s heating, this could be an electrical issue that may start causing your heating system to fail.
• Thumping or banging: If your system makes a loud thumping sound when it turns off, the solution can be as simple as replacing or fixing your air filter. Check to make sure the filter is installed properly. If this isn’t the problem, these noises could be due to a problem with the blower motor or assembly. If you hear loud thumping and banging and it’s not remedied by fixing the air filter, shut the system off and call an expert.
• Rattling: If you hear rattling from the heating system from inside your house, it’s likely due to a loose part or a problem with your home’s vents. The louder the rattle, the bigger the issue may be.

Should I Repair or Replace My Heating System?

Determining whether to repair or replace your heating system often depends on the type of sounds you’re hearing. Some noises indicate minor issues that can be easily repaired, while others mean it’s time to consider a full replacement.

Sounds That Indicate the Need for Repair

If your heating system is making banging, rattling, or screeching noises, it likely needs a repair. These sounds can be caused by loose parts, debris in the ducts, or worn-out belts, each of which can be fixed by a trained technician. Addressing these noises promptly can prevent further damage and ensure your heating system is fully restored.

Sounds That Indicate the Need for Replacement

Clunking and grinding sounds from your heater could point to a more severe problem, such as a failing motor or cracked heat exchanger. In these cases, replacing the unit may be more cost-effective and safe in the long run — especially if your system is older and prone to frequent breakdowns. A new heater can offer greater efficiency and reliability, saving you money over time.

Call Air Experts To Repair Your Noisy Heating System

If you have strange noises coming from your heating system, whether they bother you or not, it’s best to get them checked out. Leaving them will only result in louder noises and can cause your system to fail altogether or suffer from a reduced lifespan due to accelerated wear and tear.

The team at Air Experts can quickly diagnose the problem that’s causing the irritating noises in your Raleigh-area home. Our heating repair specialists will then work efficiently to fix the problem, leaving your home warm and quiet.

When you choose Air Experts, you get peace of mind, knowing that all our work comes with our Super 7 guarantees.

Call Air Experts today or contact us online for all your heating needs in the Raleigh or Durham area.