Extractor Fan Replacement: Easy DIY Steps & Pro Tips

If your bathroom or kitchen feels steamy all the time, the extractor fan is probably the culprit. Replacing it yourself can save money and get fresh air back fast. In this guide we walk through everything you need – from the tools to the safety checks – so you can decide if you can do it yourself or if a pro is worth the call.

Tools and Safety First

Before you start, turn off the power at the circuit breaker. A quick test with a voltage tester will confirm the fan is dead. You’ll need a screwdriver (usually a Phillips), a wire stripper, a small flashlight, and a new fan that matches the size of the old one. Many fans come with a mounting bracket; keep it handy. If the wiring looks old or frayed, pause the DIY and let an electrician handle it – cheap fixes can become safety hazards.

Step‑by‑Step Replacement Process

1. Remove the old fan. Most bathroom fans are attached with two screws on the housing. Unscrew them, then gently pull the fan outward. You’ll see a short cord with a plug or loose wires.

2. Disconnect the wiring. If there’s a plug, simply pull it out. With bare wires, note which is live (usually brown or black) and which is neutral (blue or white). Loosen the terminal screws, detach the wires, and cap them with wire nuts if you need a short break.

3. Prepare the new fan. Attach the mounting bracket if it isn’t pre‑installed. Align the fan’s wiring with the existing wires – match live to live and neutral to neutral. Tighten the terminal screws firmly but don’t over‑tighten, which could strip the screw.

4. Fit the fan into the ceiling. Push the unit gently back into the opening, making sure the wires don’t get pinched. Screw the new fan in place using the same holes you used before.

5. Test it. Turn the breaker back on and switch the fan on. You should hear a steady hum and feel airflow. If it’s silent or spins slowly, double‑check the wiring and the fan’s clearance.

6. Seal the gap. Use a bead of silicone sealant around the fan’s edge to stop moisture from leaking into the ceiling. Smooth it with a finger and let it cure for a few hours before using the fan.

That’s the whole process. Most people finish in 30‑45 minutes, even if it’s their first time.

When to call a professional? If you notice any of these red flags, stop and call an electrician: scorched wires, a breaker that trips instantly, rusted metal inside the housing, or a fan that’s much larger than the opening. A pro can also help you upgrade to a more powerful, quieter model that fits your bathroom’s size.

Cost‑wise, an average extractor fan costs between ₹2,000 and ₹5,000, depending on brand and airflow rating. Hiring a technician adds about ₹800‑₹1,200 for labor. If you’re comfortable with basic tools, doing it yourself usually saves you at least half of that.

After the replacement, keep the fan clean. A monthly wipe‑down of the grille and an annual check of the motor will keep it running efficiently and avoid the need for another replacement soon.

So, is extractor fan replacement a DIY job for you? If the wiring looks clean and you have the basic tools, go ahead – you’ll enjoy a drier, fresher space in no time. If anything feels off, it’s smarter (and safer) to let a professional handle the job. Either way, you’ll end up with better ventilation and a happier home.