Replace Extractor Fan – Simple Steps to Get Your Kitchen or Bathroom Fresh Again

If your extractor fan is making weird noises, blowing weakly, or has stopped working altogether, you don’t have to live with a stale kitchen or a steamy bathroom. Swapping out the fan yourself can save you time and money, and with the right tools you’ll be done in less than an hour.

Tools and Safety First

Before you crack open the ceiling, gather a few basics: a screwdriver set (Phillips and flat‑head), a drill with a small bit, a new fan that matches the size of the old one, a ladder or sturdy step stool, and a flashlight. Safety gear is a must – grab gloves and safety glasses to protect your hands and eyes.

Turn off the electricity at the consumer unit. Even if the fan is on a switched circuit, it’s worth the extra precaution. Use a voltage tester on the wires to confirm there’s no live current. If you’re unsure about the wiring, it’s better to call a qualified electrician.

Step‑by‑Step Replacement Process

1 Remove the old fan: Most extractor fans are mounted with a few screws at the front or behind the grill. Unscrew the cover, then pull the fan down gently. You’ll see a power cable attached with a clip or connector.

2 Detach the wiring: Press the release tab on the connector and pull the plug free. If the cable is hard‑wired, note which wire is live (usually brown or red), neutral (blue or black), and earth (green/yellow). Take a quick photo for reference.

3 Take out the mounting bracket: The fan sits on a metal or plastic bracket screwed into the ceiling joist. Unscrew these bolts and set the bracket aside.

4 Fit the new fan: Align the new fan’s mounting holes with the bracket holes. If the new fan comes with its own bracket, attach it first, then bolt the fan in place. Make sure the fan sits flush against the ceiling to avoid vibrations.

5 Reconnect the wiring: Match the live, neutral, and earth wires to the corresponding terminals on the new fan. Tighten the screws firmly but don’t over‑tighten. If you’re using a plug, snap it back onto the cable.

6 Secure the fan: Tighten all mounting screws, then replace the front grill or cover. Double‑check that the fan is level – an unbalanced fan can cause extra noise.

7 Restore power and test: Switch the circuit back on and flip the fan switch. Listen for a smooth, steady hum and feel for airflow. If it still feels weak, check that the duct isn’t blocked and that the fan blades spin freely.

That’s it! In most cases you’ll have a fully working extractor fan without needing to call a pro. However, if the fan still underperforms after a clean install, you might have a duct issue or a deeper electrical problem – that’s when a qualified technician should step in.

Replacing an extractor fan doesn’t have to be a daunting task. With the right preparation, a few tools, and a touch of patience, you’ll enjoy fresh air and a drier bathroom again in no time.