Ventilation fans accumulate grease, dust, and grime over time and lose efficiency. This guide explains how often to clean them, how to do it yourself, and the best methods for different fan types.
How Often Should You Clean a Ventilation Fan?
Monthly filter cleaning and deep cleaning every 3–6 months is a common recommendation for kitchen fans. Bathroom fans can typically be cleaned every 3 months.
Tools and Supplies
- Dish soap or neutral detergent
- An old toothbrush or small brush
- Microfibre cloth or sponge
- Rubber gloves
- Newspaper or plastic sheeting to protect the area below
Step-by-Step Cleaning
- Turn off power — switch off the breaker for the ventilation circuit
- Remove the cover and soak it in warm soapy water for 15–20 minutes
- Use a brush to scrub away grease and dust
- Remove the fan blades (if detachable) and soak and scrub similarly
- Wipe down the interior housing with a damp cloth
- Dry all parts thoroughly before reassembling
Tips for Stubborn Grease
Use a 50/50 solution of baking soda and water, or an alkaline kitchen degreaser for heavy grease buildup. Let it soak for 10–15 minutes before scrubbing.
FAQ
Q. Who pays for ventilation fan cleaning in a rental?
Regular cleaning is the tenant's responsibility. If the fan fails due to a manufacturing defect, repair costs fall to the landlord.
Q. Can I hire a professional cleaning service?
Yes — professional cleaning services typically charge ¥8,000–¥15,000 per fan and are worth it for heavily soiled units.
