How to Clean a Honeywell Space Heater: A Comprehensive Guide

Maintaining the cleanliness of your Honeywell space heater is crucial for its efficient and safe operation. Dust, debris, and other contaminants can accumulate over time, leading to reduced heating performance, increased energy consumption, and even potential fire hazards. This comprehensive guide will walk you through the step-by-step process of cleaning your Honeywell space heater, ensuring it continues to provide reliable and comfortable warmth for your home or office.

Preparing for Cleaning

Before you begin the cleaning process, it’s essential to take the necessary safety precautions. First, unplug the heater from the power source and allow it to cool down completely. This step is crucial to prevent any risk of burns or electric shocks. Once the heater is cooled, you can proceed with the cleaning.

Exterior Cleaning

how to clean honeywell space heater

  1. Dry Cloth Wiping: Use a clean, dry cloth to gently wipe down the exterior surfaces of the Honeywell space heater. Avoid using any water, waxes, polishes, or chemical solutions, as these can damage the heater’s components.

  2. Vent Cleaning: Examine the vents on your Honeywell space heater. If they appear clogged with dust or debris, use a vacuum cleaner with a soft-bristle brush attachment to carefully clean them. Be gentle to avoid damaging the delicate components.

Filter Cleaning (if applicable)

If your Honeywell space heater has a removable filter, follow these steps to clean it:

  1. Filter Removal: Locate the filter and carefully remove it from the heater.
  2. Warm Soapy Water Cleaning: Submerge the filter in warm, soapy water and gently scrub it to remove any accumulated dirt or dust. Rinse the filter thoroughly under running water to ensure all soap residue is removed.
  3. Drying: Allow the filter to air dry completely before reinstalling it into the heater.

Internal Cleaning

  1. Vacuum Cleaning: Use a vacuum cleaner with a soft-bristle brush attachment to clean the vents and the area around the heating element. Be cautious and gentle to avoid damaging any internal components.

  2. Compressed Air Cleaning: If there is any stubborn dust or debris inside the heater, you can use a can of compressed air to blow it out. Hold the heater in a way that the dust and debris will not be blown back into the unit.

Reassembly and Testing

  1. Reassembly: Once you have completed the cleaning process, carefully reassemble the heater, ensuring that all components are properly aligned and secured.

  2. Plug-in and Test: Plug the Honeywell space heater back into the power source and turn it on. Observe the heater’s operation and ensure that it is functioning correctly.

Maintenance and Storage

  1. Cleaning Frequency: It is recommended to clean your Honeywell space heater at least once a month and before off-season storage. Regular cleaning will help prevent dust buildup, which can lead to overheating and potential fire hazards.

  2. Off-season Storage: When storing your Honeywell space heater during the off-season, make sure it is completely clean and dry. Store it in a cool, dry place, away from any moisture or potential sources of damage.

By following this comprehensive guide, you can ensure that your Honeywell space heater remains in optimal condition, providing reliable and efficient heating for your home or office. Remember to always prioritize safety and consult the manufacturer’s instructions for any specific cleaning or maintenance requirements.


  1. How to Clean a Space Heater – YouTube
  3. Honeywell surround heater won’t keep running – Google Groups