When to Replace an Extractor Fan: Signs It’s Time to Upgrade

When working with a extractor fan, a device designed to remove moisture, smoke, and odors from kitchens and bathrooms by pulling air out through a duct. Also known as range hood, it’s not just a convenience—it’s a critical part of your home’s ventilation system. Without it, humidity builds up, walls get damp, and mold starts growing in places you can’t see.

If your extractor fan is old, noisy, or doesn’t pull air well anymore, you might think a quick clean will fix it. But cleaning won’t fix a worn-out motor, cracked ducts, or a fan blade that’s lost its balance. A fan that runs but barely moves air is worse than none at all—it gives you a false sense of security. The kitchen ventilation system isn’t meant to be a band-aid. If you’ve had the same fan for over 10 years, or if repair costs are hitting $100+ for a simple fix, it’s time to consider replacement. Replacing it isn’t just about function—it’s about protecting your home from mold growth, which can damage drywall, ruin wood, and trigger allergies.

Here’s what really tells you it’s time: if you see condensation on windows after cooking, if your walls feel sticky or smell musty even after cleaning, or if the fan makes grinding or buzzing noises that won’t go away. These aren’t minor annoyances—they’re red flags. A fan that turns on but doesn’t pull air out is doing nothing. And if you’ve tried cleaning the filter, checking the duct, and still see no improvement, you’re not dealing with dirt—you’re dealing with failure. Newer models are quieter, more energy-efficient, and come with timers and sensors that turn the fan off automatically when the air’s clear. That’s not just a luxury; it’s smarter, safer home management.

You don’t need to wait for a disaster to act. If your extractor fan is struggling, replacing it now saves you from bigger, costlier problems later. Below, you’ll find real cases from homeowners who ignored the signs—and what finally made them act. Whether you’re wondering if a repair is worth it or just need to know what to look for, these guides give you the facts without the fluff.