LEAVE YOUR Heating & Air TO THE EXPERTS LEAVE YOUR Heating & Air TO THE EXPERTS Home Services Solutions for the Greater Raleigh Area Home Services Solutions for the Greater Raleigh Area

BACK TO BLOG

Why Is My Heater So Loud?

It’s that time of year again when we have switched to our heating systems. With this switch comes many questions, including “Why is my heater so loud? Noise coming from your heating system can often mean something has gone wrong. However, these issues are often easy for a professional to fix.

Don’t sit in a noisy house just waiting for the sounds to disappear. Have your noisy heating system fixed today!

Why Is My Heater Loud?

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 minor repairs, others could point to more significant problems requiring a full-system upgrade.

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

Many different noises can come from your loud heater, and they’re often so annoying that it’s hard to ignore them. Here are some of the noises you might hear and why:

  • Squealing or screeching: These can be the most aggravating noises and sound like nails on a chalkboard. It could be a worn-out belt if you hear squealing or screeching from your heating system. 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. Having something stuck in your heating system 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 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 see if 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 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?

Whether to repair or replace your heating system often depends on the sounds you hear. Some noises indicate minor issues that technicians can easily fix, while others mean it’s time to consider a full replacement.

Sounds That Indicate the Need for Repair

Your heating system likely needs to be repaired if it makes banging, rattling, or screeching noises. Loose parts, debris in the ducts, or worn-out belts, all of which a trained technician can fix, often cause these sounds. Addressing these noises can prevent further damage and restore your heating system.

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.

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

The team at Air Experts can quickly diagnose the problem 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.

If you found this post helpful, check out our other blog posts, subscribe to our YouTube channel, and follow us on social media for more HVAC and plumbing tips, information, and fun!

Air Experts Raleigh Heating and Air is always here for your Heating, Cooling, Indoor Air Quality, Plumbing, Water Treatment, and Generator needs. Our award-winning customer service team is available 24/7, or you can easily book an appointment.

Request Service

Request Service

Ease Comfort Logo Ease Comfort Logo
Go Next Level with ®

We understand that installing a new heating or air conditioning system can be a significant investment. We help take the stress out of your installation project by offering the  EASE Comfort® Program. Through this exclusive program, you’ll enjoy a new, high-efficiency system installation with no money down, no unexpected fees, and a no-hassle maintenance program tailored to your needs

Result Page

  • Please Provide Us the Following Information: