How to Clean a Range Hood Filter

Quick answer

Turn the hood off and let it cool, remove the filter while supporting it, and check its type. Soak a reusable metal grease filter in warm water with dish soap, brush gently, rinse, and dry completely. Replace disposable mesh, paper, or charcoal filters according to the manual.

A grease-loaded filter reduces airflow and can drip onto the cooktop. Cleaning is simple, but filter construction matters: reusable metal grease filters can often be washed, while charcoal and disposable filters usually need replacement.

Identify cleanable and replaceable filters

If the hood recirculates air instead of venting outdoors, it may use both a grease filter and a charcoal odor filter.

What you need

Tools needed

• Dish soap or manufacturer-approved degreaser
• Sink or basin
• Soft nylon brush
• Gloves
• Microfiber cloths
• Towel or drying rack

Step-by-step

1. Switch off the hood and cooktop. Let bulbs, filters, and surrounding surfaces cool completely.
2. Protect the cooktop. Place a towel over the cool surface to catch drips, without pressing controls.
3. Remove the filter. Support it with both hands while releasing its latch. Consult the manual if it does not release easily.
4. Check the material and instructions. Do not wash charcoal, paper, or other disposable filters unless their label explicitly says they are washable.
5. Soak reusable metal filters. Use warm—not dangerously hot—water and dish soap for 10–20 minutes.
6. Brush gently. Work along the mesh or baffles with a soft nylon brush. Avoid bending the frame.
7. Rinse and inspect. Repeat with fresh solution if heavy grease remains. Do not mix degreasers or solvents.
8. Dry completely. Air-dry before reinstalling so water cannot drip into the blower or controls.
9. Wipe accessible hood surfaces. Apply cleaner to the cloth, not into switches, lights, or motor openings.
10. Reinstall securely. Confirm the latch is fully engaged before using the fan.

Dishwasher cleaning

Even when a filter fits, dishwasher cleaning is not automatically safe. Aluminum may darken, strong detergent can damage finishes, and released grease can collect in the dishwasher filter. Check the range-hood manual first. If approved, load the filter securely and clean the appliance afterward using the dishwasher cleaning guide.

A practical schedule

• Weekly: wipe the cool hood exterior and underside after greasy cooking
• Monthly: inspect the grease filter in frequently used kitchens
• Every 1–3 months: clean reusable filters, adjusted for cooking habits
• As specified: replace charcoal and disposable filters

Add the task to your annual maintenance schedule, with recurring reminders if you fry or sear often. While handling kitchen maintenance, mineral buildup at sinks can be addressed with the faucet aerator cleaning guide.

When to replace or call for service

Bottom line

Confirm the filter type before putting it in water. Gentle washing and complete drying work for many reusable metal filters; disposable and charcoal filters generally need replacement.