How to Clean or Replace Your Range Hood Filter

Range hood filters trap grease and cooking particles before they settle on your cabinets and countertops. Over time, they clog—and a clogged filter means your hood stops working. You'll notice it first when steam and odors linger after cooking. The good news is maintenance is straightforward. Most home cooks can clean a filter in the time it takes to brew coffee, and replacement takes just minutes. The trick is knowing when to clean versus when to replace, and handling the grease without disaster.

1. Kill the Heat First. Switch off the hood at the wall or control panel. If you've been cooking, wait 5–10 minutes for any heat to dissipate. This prevents burns and makes handling the filter safer.
2. Pop the Filter Free. Most range hood filters slide or clip into the underside of the hood. Look for a release button, tab, or latch—typically on either side of the filter frame. Press or pull it and slide the filter out toward you. If your hood has multiple filters, remove them one at a time.
3. Spot the Red Flags. Hold the filter up to light and look for holes, tears, or crushed mesh. If the metal frame is bent, if the mesh has visible damage, or if it's been in use for more than three months with heavy cooking, plan to replace it rather than clean it. A damaged filter won't capture grease effectively.
4. Let Heat Do the Work. Fill your sink or a large basin with hot water—as hot as your tap provides—and add a degreasing dish soap. Submerge the filter completely and let it soak for 10–15 minutes. This softens built-up grease and makes scrubbing much easier. If your filter is dishwasher-safe, place it on the top rack instead and skip to the final rinse step.
5. Scrub Gently and Steady. Use a soft-bristled brush—an old toothbrush or dedicated kitchen brush works well—to gently scrub both sides of the mesh. Work in small sections, pushing the brush against the mesh to dislodge trapped grease. Don't use a wire brush or abrasive scouring pad; these damage the mesh. Pay special attention to the corners and edges where grease accumulates.
6. Run Until Crystal Clear. Hold the filter under a stream of hot water and rinse both sides thoroughly. Tilt and angle the filter so water runs through the mesh completely. Continue rinsing until the water runs clear and you no longer see grease or soap residue. This usually takes 2–3 minutes.
7. Patience Beats the Clock. Shake excess water from the filter over the sink, then stand it upright on a clean towel or drying rack. Let it air-dry for at least 30 minutes before reinstalling. You can also gently pat it with a paper towel, but don't wring it or apply pressure—this can damage the mesh.
8. Wipe the Cavity Clean. While the filter dries, wipe down the inside of the hood with a damp cloth or paper towel. Remove any loose grease or debris around the filter slot. This keeps your hood clean and ensures the filter seats properly.
9. Seat and Lock Tight. Once the filter is completely dry, slide it back into the hood, aligning the edges with the slots. Push it in firmly until you hear or feel a click, indicating the latch has engaged. If your hood has multiple filters, repeat with the next one.
10. Swap in Fresh Mesh. If the filter has holes, a bent frame, or grease that won't come off after soaking and scrubbing, it's time to replace it. Check your hood's model number (usually on a sticker inside the hood cavity) and order a replacement filter. Installation is identical to reinstalling a cleaned filter: slide it in and latch it. Keep the old filter for reference until the new one arrives.
11. Verify Suction Returns. Turn the range hood back on and let it run for 1–2 minutes. Listen for smooth operation—you should hear steady fan noise without grinding or rattling. Hold your hand near the hood opening; you should feel strong suction. If airflow seems weak after reinstalling a cleaned filter, the filter may still be clogged or not seated properly.
12. Never Forget Again. Mark your calendar to check the filter again in 4–6 weeks if you cook daily, or every 8–12 weeks if you cook occasionally. Most filters need replacing every 1–3 months depending on use. Setting a reminder prevents you from running a clogged filter for months without realizing it.