Kitchen Fan Maintenance: Simple Steps to Keep Your Extractor Working Perfectly

Got a noisy or sluggish kitchen fan? Most issues are preventable with a little regular care. In this guide we’ll walk through the basics – cleaning, checking parts, and knowing when to call a professional – so your extractor stays quiet, efficient, and safe.

1. Quick Clean‑Up After Every Cook

The easiest habit is wiping the fan cover once a week. Grease and food particles build up on the grille, reducing airflow and forcing the motor to work harder. Turn the fan off, let it cool, then slide off the plastic or metal cover (most models just snap or screw off). A damp cloth with a little dish soap does the trick. Rinse with a clean damp cloth and let it dry before snapping it back.

If the cover is removable, soak it in warm soapy water for a few minutes to loosen stubborn grime. A soft brush helps get into the little ribs without scratching the surface.

2. Deep Dive: Cleaning the Motor and Duct

Every 3‑6 months you’ll want to open the fan housing and give the motor a once‑over. First, unplug the unit or switch off the circuit – safety first. Use a vacuum with a brush attachment to suck out dust from the motor’s fins and the ductwork. For really gritty spots, a dry paintbrush works well.

Check the motor shaft for any wobble. A slight wobble can mean worn bearings, which often cause the familiar humming‑and‑rattling sound. Lightly oil the shaft with a few drops of non‑silicone, high‑temperature oil if the manufacturer allows it. Don’t over‑oil; a thin coat is enough.

While you’re in there, inspect the fan blades. Bent or cracked blades throw off airflow and make the motor work overtime. If a blade is bent, a gentle bend back with pliers can help, but cracked blades should be replaced.

3. Spotting Common Problems Early

Noise: A high‑pitched whine usually points to a dirty motor or dust‑clogged bearings. A rattling clank often means a loose blade or a broken fan guard.

Weak suction: If steam or cooking smells linger, the duct may be blocked. Look for kinks in the duct hose and clear any buildup.

Overheating: The fan motor getting hot to the touch means it’s working too hard – most likely from restricted airflow. Shut it off, clean thoroughly, and run it for a few minutes to cool down.

4. When to Call a Pro

Some fixes are easy DIY, but others need a qualified electrician or appliance technician. Call a pro if you notice any of the following:

  • Electrical sparks or a burning smell when the fan runs.
  • The fan won’t turn on at all despite a good power source.
  • Persistent humming after cleaning – the motor may need rewinding or replacement.
  • You’re unsure about removing the motor housing; many fans have electrical connections that must be handled by a certified tradesperson.

In Glastonbury, Glastonbury Appliance Repair Services have a dedicated team for extractor fan repairs. They can replace motors, fix wiring, and ensure your fan meets safety standards.

5. Pro Tips to Extend Fan Life

Set a calendar reminder to clean the cover weekly and do a deep clean every quarter. Keep the area around the fan clear of pots and pans that could block airflow. If you notice a slight drop in suction, address it right away – waiting can turn a simple clean into a costly motor replacement.

Lastly, use the right size fan for your kitchen size. An oversized fan wastes energy, while an undersized one works overtime. If you’re renovating or upgrading, ask a professional about the best fan CFM rating for your space.

Regular maintenance isn’t a chore; it’s a small investment that saves you time, money, and headaches. Follow these steps, and your kitchen fan will stay quiet, efficient, and ready for every cooking session.

Extractor Fan Motor Cleaning: The Simple Way to Keep It Running Smooth

Extractor Fan Motor Cleaning: The Simple Way to Keep It Running Smooth

Cyrus Ashfield
7 Jun 2025

Ever wondered why your extractor fan sounds like a tractor or just seems tired? This guide lays out clear steps for cleaning an extractor fan motor, with easy tips for tackling the greasy mess. We break down every part you actually need to clean, tell you exactly what tools you'll need, and show you where most people mess it up. You'll also get some surprising facts about what really happens if you leave your fan dirty too long. By the end, you'll know how to make your fan last longer and stay way quieter.