Comprehensive Guide to Space Heater Noise Levels

Space heater noise level is a crucial factor to consider when purchasing a space heater, as it can significantly impact your comfort and convenience, especially in quiet environments like bedrooms or offices. This comprehensive guide will provide you with a deep dive into the technical specifications, measurement standards, and DIY solutions to help you make an informed decision.

Noise Level Measurements and Standards

Noise level is typically measured in decibels (dB), a logarithmic scale used to quantify sound pressure levels. The lower the decibel level, the quieter the sound. For reference, a normal conversation occurs at around 60 dB, while a quiet room is around 40 dB.

Space heaters can produce varying noise levels, depending on the type and model. Generally, space heaters can be categorized into three noise level groups:

  1. Quiet (below 45 dB): These space heaters produce minimal noise and are suitable for use in quiet environments, such as bedrooms or offices. For example, the Vornado VH200 space heater has a decibel level of 45 dBA at its highest setting from a distance of 3 feet and 44 dBA at 6 feet.
  2. Moderate (45-55 dB): These space heaters produce a noticeable but tolerable level of noise, similar to a quiet conversation or a soft whisper. The Lasko 754200 Ceramic Heater, for instance, has a noise level of 53 dB at its highest setting.
  3. Loud (above 55 dB): These space heaters produce a significant level of noise, which may be distracting or uncomfortable in quiet environments. The Honeywell HZ-789 Ceramic Heater, on the other hand, has a noise level of 58 dB at its highest setting.

It’s essential to consider the noise level of a space heater before purchasing, especially if you plan to use it in a quiet environment.

Technical Specifications of Space Heater Noise Levels

space heater noise level

When evaluating the noise level of a space heater, it’s crucial to consider the technical specifications provided by the manufacturer. These specifications typically include the decibel level at various heat settings and distances from the heater.

Here’s a comparison of the noise levels for some popular space heater models:

Model Noise Level (dB)
Vornado VH200 45 dBA at 3 ft, 44 dBA at 6 ft
Lasko 754200 Ceramic Heater 53 dB at highest setting
Honeywell HZ-789 Ceramic Heater 58 dB at highest setting
Dyson AM09 Hot + Cool Fan Heater 50 dB at highest setting
De’Longhi Mica Thermic Panel Heater 40 dB at lowest setting, 45 dB at highest setting

This information allows you to compare the noise levels of different space heaters and make an informed decision based on your specific needs and preferences.

DIY Solutions for Reducing Space Heater Noise

If you already own a space heater and find it too noisy, there are several DIY solutions you can try to reduce the noise level:

  1. Clean the heater: Dust and debris can accumulate in the heater, causing it to produce more noise. Regular cleaning can help reduce the noise level. Use a soft-bristled brush or a vacuum cleaner with a crevice tool to remove any dust or debris from the fan blades, vents, and other components.

  2. Lubricate the fan motor: If your space heater has a fan motor, applying a few drops of lightweight machine oil or silicone-based lubricant to the bearings can help reduce friction and noise. Be sure to follow the manufacturer’s instructions and use the recommended lubricant.

  3. Adjust the fan speed: Some space heaters allow you to adjust the fan speed, which can help reduce noise. Experiment with different fan settings to find the optimal balance between noise and heating performance.

  4. Place the heater on a soft surface: Placing the heater on a soft surface, such as a rug or carpet, can help absorb some of the noise. This can be especially effective for floor-standing space heaters.

  5. Use a sound absorber: Adding a sound absorber, such as a soundproof mat or acoustic panel, around the heater can help reduce noise. These products are designed to absorb and dampen sound waves, effectively lowering the overall noise level.

  6. Insulate the heater: Wrapping the heater in a sound-dampening material, such as foam or acoustic insulation, can help reduce the noise it produces. This approach may require some DIY skills, but it can be an effective solution for particularly noisy space heaters.

  7. Replace the fan: If the fan is the primary source of noise, you may be able to replace it with a quieter model. This will require some technical expertise and may void the manufacturer’s warranty, so it’s essential to proceed with caution.

By implementing these DIY solutions, you can potentially reduce the noise level of your space heater and create a more comfortable and peaceful environment.


  1. Reddit post on space heater buzzing noise
  2. The New York Times Wirecutter review of best space heaters
  3. Consumer Reports on quietest space heaters
  4. Amazon listing for BabyExo Space Heater