Why Is My Electric Heater Making Noise? An Explainer

Why Is My Electric Heater Making Noise?

The electric heater is making noise because it is installed on an uneven wall surface.

The heat and contraction of the unit cause the heating element to create a ping or high-pitched sound.

To fix this issue, it is recommended to turn off the breaker and adjust the heater by loosening the two screws that anchor it.

Tapping the unit allows it to align itself and conform to the wall.

Once the element is in the desired position, the screws can be tightened.

After turning the breaker back on, the heater will work without the buzzing noise.

Key Points:

  • Electric heater is making noise due to uneven wall surface
  • Heating element creates ping or high-pitched sound due to heat and contraction
  • To fix, turn off breaker and adjust heater by loosening screws
  • Tapping the unit helps it align and conform to the wall
  • Once aligned, tighten screws and turn breaker back on
  • Heater will work without buzzing noise after adjustments are made

Did You Know?

1. Did you know that the noise produced by your electric heater could sometimes be caused by a phenomenon called thermal expansion? As the heating elements inside the heater heat up, they expand, creating tiny cracks or gaps that can generate unusual sounds.

2. Have you ever wondered why your electric heater sometimes pops or cracks when you turn it on or off? This noise could be due to the sudden change in temperature causing the materials inside the heater, such as the metal housing or heating elements, to contract or expand rapidly.

3. It may surprise you to learn that certain types of heaters, such as radiant heaters, can produce a low humming or buzzing sound. This noise is often the result of the electromagnetic fields generated by the heating unit itself. While not harmful, it can be quite noticeable in quiet environments.

4. Have you ever noticed a clicking or ticking noise coming from your electric heater? In some cases, this can be attributed to a phenomenon known as “thermal cycling.” As the temperature inside the heater rises and falls, the materials expand and contract, resulting in the clicking or ticking sounds.

5. One possible reason for your electric heater making noise could be the buildup of dust or debris within the unit. When the fan or other components start circulating air, these particles can cause rattling or whirring sounds. Regularly dusting and maintaining your heater can help minimize such noises and keep it functioning efficiently.

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Introduction: Dave And Steve Discuss Electric Heater Noise Problem

In this informative video transcription, Dave and Steve from Cadet Heat address a common problem faced by homeowners – an electric heater making noise. They aim to shed light on the reasons behind this issue and provide a step-by-step solution. Let’s delve into the details of their discussion and discover how to address this nuisance in our homes.

Dave and Steve emphasize the importance of troubleshooting the noise issue and determining its cause to find the appropriate solution. With their expertise, they provide valuable insights to viewers who may be experiencing a similar problem with their electric heaters.

Cause Of Noise: Uneven Wall Surface Installation

As Dave and Steve investigate the main cause of the noise, they discover that an uneven wall surface during installation is to blame for the irritating sounds. Mounting a heater on an uneven surface can lead to various problems, including noise disturbances. This uneven installation causes the heating element to become misaligned, resulting in uncomfortable pinging or high-pitched noises.

It is important to emphasize that even a small irregularity in the wall’s alignment can greatly affect the heater’s performance and generate unwanted sounds. Understanding the root cause of the noise is essential for effectively resolving the issue.

Explanation: Heat And Contraction Causing Ping Or High-Pitched Sound

To better comprehend the occurrence of noise from an electric heater, Dave and Steve delve into the science behind it. They explain that as the heater operates, heat is produced, causing the metal components to expand. However, when the heater cools down, these metal elements contract, leading to movement and potential misalignment.

The clicking or high-pitched pinging sound heard is a direct result of the heating element coming into contact with the interior of the heater chassis. The constant heating and cooling cycles exacerbate this issue, creating an annoying auditory experience for homeowners.

Recommendation: Turn Off Breaker Before Making Adjustments

For those seeking to address the noise problem created by their electric heater, Dave and Steve provide clear guidelines. They emphasize the importance of safety and recommend turning off the breaker before attempting any adjustments. Ensuring that the power source is disconnected prevents the risk of electric shock and guarantees a safe work environment.

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By following this crucial step, homeowners can proceed with the necessary adjustments to eradicate the noise issue from their electric heater effectively.

Adjustment Process: Loosen Screws, Tap Heater To Line Up With Wall

In this section, Dave and Steve discuss the step-by-step process of adjusting the electric heater to eliminate annoying noises.

They emphasize that the heater is usually anchored with two screws. The first step is to loosen these screws to allow for adjustment.

To align the heater correctly, they suggest tapping it lightly to help it “line itself” and conform to the wall surface. This tapping motion helps the heating element find its optimal position, reducing potential noise generation.

After aligning the heater, they proceed to tighten the screws securely, ensuring it stays in place.

  • To eliminate annoying noises from an electric heater, follow these steps:
  • Loosen the anchor screws of the heater.
  • Tap the heater lightly to align it with the wall surface.
  • Tighten the screws securely to keep the heater in place.

“Tapping the heater helps it line itself and reduce noise.”

Conclusion: Successful Fix And Gratitude To Viewers

As Dave and Steve wrap up the video, they express their gratitude to viewers for watching and allowing them to address this common issue. They confidently announce that, with the provided adjustments, homeowners can enjoy a noise-free electric heater.

The video concludes with a reminder to prioritize safety by turning the breaker back on only after completing all necessary adjustments. By following their recommendations and guidelines, it is possible to rid yourself of the buzzing noises from your electric heater and create a more peaceful environment within your home.

In summary, Dave and Steve’s insightful discussion sheds light on the causes of an electric heater’s noise and provides an effective solution. By identifying uneven wall surface installation as the main cause, they guide viewers through the necessary adjustments that can alleviate the problem and ensure a quieter and more comfortable heating experience.


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Frequently Asked Questions

How do I stop my electric heater from making noise?

In addition to the previous suggestion, you can try placing rubber pads or foam strips between the heater and the wall to dampen any vibrations that may be causing the noise. These materials act as buffers and absorb the sound waves, preventing them from traveling through the wall and producing noise. Additionally, make sure that the heater is positioned on a stable surface and that there are no loose parts or objects touching it, as this can also contribute to the noise. Regular maintenance such as cleaning the fan blades and checking for any loose components can also help reduce any unnecessary noise produced by the electric heater.

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Is it normal for electric heaters to make noise?

It is not unusual for electric heaters to produce some noise, particularly baseboard heaters. They may emit a slight humming or popping noise, which is typically not a cause for concern. While these sounds can be bothersome to certain individuals, there are simple solutions available to mitigate or minimize the noise.

Why does my electric heater make a buzzing sound?

The buzzing sound coming from your electric heater is likely due to a loose mount on the transformer. When the furnace turns on, the vibrations cause the loose mount to vibrate as well, resulting in the buzzing noise. This issue is commonly found in new furnaces that weren’t properly installed, as the incorrect installation of the box can lead to the mount becoming loose. To resolve the buzzing sound, it is recommended to have a professional fix the loose mount to ensure proper functioning and eliminate the noise disturbance.

What to do if your heater is making noise?

If your heater is making noise beyond the usual low humming, it could be a sign of a more serious issue with the blower fan or capacitor. To avoid potential damage to your fan, it is crucial to contact a licensed technician right away. They will be able to diagnose the problem and perform the necessary repairs to ensure your heater operates smoothly and quietly. Ignoring the loud noise can lead to further complications and potentially costlier repairs in the future, so it’s best to address the issue promptly and seek professional assistance.

References: 1, 2, 3, 4

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