If Your Heating Makes These Sounds, You Need Us For a Repair!

When winter rolls around, there’s nothing quite like the comfort of a warm, cozy home. Your heating system plays a pivotal role in creating this comfortable environment. But what happens when your heater starts making strange noises? It could signify that you need Marathon HVAC Services, LLC. for heating services in Los Angeles.

As a family-owned and operated business since 1990, Marathon HVAC Services, LLC. has extensive experience dealing with a wide range of heating issues. We understand that every noise your heating system makes tells a story, and our team of licensed professionals is here to decipher it for you. Contact us today for heating services in Beverly Hills.

What Do Those Noises Mean?


A well-functioning heating system operates quietly and efficiently. However, when something goes wrong, your heater may start producing unusual sounds, each indicating a specific issue. Here’s a closer look at common noises and their meaning.

  1. Banging or Popping

    Banging or popping sounds are relatively common in heating systems. They’re typically caused by the metal ductwork expanding and contracting as it heats up and cools down. This phenomenon is normal and usually doesn’t indicate a problem.

    However, if these sounds are loud, frequent, and resemble small explosions, it might indicate a more serious issue, such as a dirty burner or delayed ignition. In gas furnaces, delayed ignition can cause gas to build up in the system before it ignites, resulting in a small explosion when the ignition finally happens. This problem is potentially dangerous and requires immediate professional attention.

  2. Whistling or Hissing

    Whistling or hissing sounds often point to air escaping from your system. This could be due to a leak in your ductwork, a gap around your furnace door, or a clogged filter forcing air to escape through gaps. Leaks not only reduce your system’s efficiency but also increase your energy bills. If you hear whistling or hissing sounds from your heater, it’s best to have a professional inspect the system and fix any leaks.

  3. Rattling or Vibrating

    If your heating system is making rattling or vibrating noises, it could be due to loose parts or screws within the unit. Over time, the vibrations from your system’s operation can cause screws to loosen, leading to rattling sounds. Ignoring these sounds can lead to further damage as loose parts can move around and harm other components. Therefore, it’s important to get your system inspected and tightened as soon as you notice these noises.

  4. Screeching or Squealing

    Screeching or squealing noises often signify a problem with the blower motor or fan belt in your heating system. The blower motor is responsible for circulating warm air throughout your home. If it’s experiencing issues, it may make a high-pitched screeching sound. Similarly, a worn-out or misaligned fan belt can cause a loud squealing noise. These problems can prevent your system from effectively heating your home and require immediate attention.

  5. Humming or Buzzing

    While a slight humming sound is normal during your heating system’s operation, a loud humming or buzzing noise could indicate electrical problems. It could be due to loose wiring, a failing motor, or problems with the capacitor. Electrical issues can be dangerous and should only be handled by professionals.

    If your heating system starts making strange noises, don’t ignore them. These sounds are often your system’s way of telling you something is wrong. Timely intervention can prevent minor issues from escalating into major problems that require costly repairs or system replacements.

Don’t Ignore Your Heater’s Cries for Help!


Remember, your heating system is not just about luxury—it’s a crucial part of maintaining a comfortable and healthy living environment in your home. If your heating system is making unusual sounds, it’s time to call Marathon HVAC Services, LLC. for professional heating services in Beverly Hills.
Don’t let a noisy heater disrupt your peace and comfort. Trust your heating needs to the experts at Marathon HVAC Services, LLC. Contact us today to schedule a service. Let’s ensure your heating system operates efficiently, providing you with the warmth and comfort you deserve.