Ventilation Fan Encyclopedia: Cleaning and Maintenance of Ventilation Fans

/ July 23, 2025

Ventilation Fan Encyclopedia: Cleaning and Maintenance of Ventilation Modules

Over time, the performance of your ventilation fan can decrease due to dust and dirt accumulation on the filter screen. To maintain optimal airflow and efficiency, it's recommended to clean the filter every two weeks. Here’s how you can do it:

  1. Unplug the power supply before starting any cleaning process.
  2. Loosen the screws on the air valve and remove the back cover carefully.
  3. Disconnect the wiring connector and take out the filter along with the back cover.
  4. Mix a mild detergent with water in the appropriate concentration.
  5. Place the filter and back cover into a container and soak them for 10-15 minutes. Rinse thoroughly with clean water. Be sure not to submerge the motor or spray water directly onto it.
  6. Reinstall the filter and back cover, ensuring there is enough space for proper air circulation and humidity balance. If needed, use desiccants or dehumidifiers to maintain ideal conditions.

When cleaning the water cooler, it's best to use purified water. This reduces bacterial growth during condensation and helps maintain better performance. Keep the water level in the sink consistent and replace it regularly to ensure hygiene and safety.

Grease buildup on fans can be removed using simple methods. For example:

  • Remove the fan and wipe away dust and grease using a cotton cloth or a soft sponge. After cleaning, rinse with water and let it dry before reassembling.
  • If the blades are heavily greasy, remove them and soak in warm water mixed with a few drops of dish soap and 50 ml of vinegar. Let it sit for 15-20 minutes, then scrub with a clean cloth until all grease is gone.

For ventilators that are built-in or more complex, it's advisable to avoid disassembling them yourself. Instead, contact a professional service for safe and effective cleaning.

Maintenance Tips for Ventilation Fans:

  1. Avoid frequently turning the fan on and off, as this can reduce its lifespan.
  2. Keep the fan away from high temperatures and direct sunlight to prevent blade deformation.
  3. Regularly remove oil from the fan blades, grilles, and panels. Use non-corrosive cleaning solutions to avoid damaging plastic parts or paint.
  4. Apply lubricant to the motor periodically to ensure smooth operation.
  5. After cleaning, make sure all nuts and screws are tightened properly to prevent blade rotation issues when the fan is turned on.
  6. For filters with activated carbon, avoid drying them in direct sunlight, as this can affect their filtering effectiveness.

Proper maintenance and following the manufacturer’s guidelines will significantly extend the life of your ventilation fan. Regular inspections and professional cleanings are also highly recommended.

Recommended Reading:

  • Ventilating Fan Encyclopedia: Installation Notes for Ventilating Fans
  • Ventilation Fan Encyclopedia: Precautions for Use of Ventilation Fans
  • Ventilating Fans Wikipedia: 7 Tips for Buying a Ventilation Fan
  • Ventilating Fan Encyclopedia: Basic Parameters of Ventilation Fans
  • Ventilating Fan Encyclopedia: Where Are Intelligent Ventilation Fans?
  • Ventilation Fan Encyclopedia: Classification and Ventilation of Ventilation Fans
  • Ventilating Fan Wikipedia: What Is a Ventilation Fan?

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