Range hood filters trap grease from cooking and become clogged over time, reducing airflow and creating a fire hazard. Cleaning them every 1–3 months (depending on how often you cook) is one of the most overlooked but important kitchen maintenance tasks.
Removing the Filter
- Turn off and unplug the range hood, or switch off the circuit breaker if it's hardwired
- Most mesh filters slide out or unclip from the hood — pull the tab or push it toward the vent opening to release it
- The filter will likely be visibly greasy and discoloured — this is normal
Dishwasher Method (Easiest)
- Place the filter in the dishwasher on the bottom rack
- Run a heavy-duty or pots-and-pans cycle with dishwasher detergent and the hottest water setting
- Allow to dry completely before reinstalling
Check manufacturer instructions first — most aluminium mesh filters are dishwasher safe, but some coated filters are not.
Hot Water Soak Method
- Bring a large pot of water to a boil and pour it into the sink (or use the hottest tap water possible)
- Add a generous squirt of dish soap and 2–3 tablespoons of baking soda — it will fizz
- Submerge the filter and let it soak for 10–15 minutes
- Scrub with a non-scratch brush to loosen any remaining grease
- Rinse under hot water and allow to dry completely
Tips
- Clean monthly if you cook daily with high heat or fry often; every 2–3 months for average use
- Wipe the inside of the hood housing with a degreaser while the filter is out — grease collects there too
- A clean filter makes a noticeable difference in how quickly steam and smoke clear from your kitchen while cooking
- Charcoal filters (found in recirculating hoods with no external vent) cannot be cleaned — they must be replaced every 3–6 months