Range Hood / Exhaust Fan: lifespan, maintenance and replacement
Typical lifespan: 10–15 years (about 14 years).
Maintenance schedule
- Clean grease filter — Monthly
- Wipe down interior and exterior — Monthly
- Check fan operation and speed settings — Every 6 months
- Inspect ductwork for buildup — Annually
Signs it needs replacing
- Weak suction despite clean filters
- Excessive noise
- Grease dripping from unit
- Lights flickering or not working
- Fan motor overheating
Tips
Always run the range hood when cooking with gas to vent combustion byproducts outdoors.