Kitchen Extractor Fan: Simple Fixes, Repair Tips & Legal Must‑Knows

Got a kitchen fan that hums but doesn’t pull steam away? You’re not alone. Most homeowners forget a few easy steps that keep the fan healthy and the kitchen fresh. Below are the basics that will get your extractor back to work without a big spend.

Common Problems and Quick Fixes

First, check the filter. Grease and dust build up fast, and a clogged filter cuts suction dramatically. Remove the metal or charcoal filter, soak it in hot soapy water for ten minutes, scrub any stubborn gunk, rinse and let it dry. If you have a charcoal filter, replace it every six months – they can’t be washed.

Next, look at the duct. Over time the duct can gather debris or get pinched behind cabinets. Detach the duct from the fan housing (make sure the fan is off), shine a flashlight inside, and clear any blockage with a flexible brush or a vacuum hose. A clear duct restores most of the lost power.

Noise is another clue. A rattling fan often means the motor mounting screws have loosened. Tighten them with a screwdriver, and if the motor still buzzes, the bearing may need lubrication or replacement – a task best left to a pro.

When to Call a Pro and What to Expect

If cleaning the filter and duct doesn’t improve suction, the motor itself could be failing. Electric fans typically last 8‑10 years; after that the windings can overheat. Trying to repair a motor without proper tools can be risky, so contact a qualified technician. Most local services, including Bridgewater Appliance Fixers, can diagnose the issue within an hour and often have the part on hand.

Repair time varies. Simple filter or duct work takes under 30 minutes. Motor or wiring problems usually need 1‑2 hours, plus any necessary ordering of parts. Ask for an estimate before work begins – many companies give a flat rate for common fixes.

Legal requirements matter too. In the UK, building regulations state that a kitchen must have a source of ventilation that removes excess moisture and cooking fumes. An extractor fan that doesn’t work can breach these rules, especially in rented properties. If you’re planning a remodel, make sure the new fan complies with BS 8300 and has a minimum extraction rate of 60 l/s for a standard kitchen.

While you wait for a repair, temporary alternatives help. Open windows, use a portable dehumidifier, or place a table‑top fan near the cooking area to push steam toward an open door. These tricks keep the air moving and prevent mold growth.

Bottom line: regular filter cleaning, duct checks, and a quick motor inspection keep most kitchen extractor fans humming. If the fan still acts up, a professional repair is faster and safer than DIY motor work, and it keeps you on the right side of the law.