Central Vacuum System: lifespan, maintenance and replacement
Typical lifespan: 15–25 years (about 20 years).
Maintenance schedule
- Empty canister or replace bag — Every 1–3 months
- Clean or replace filters — Every 6–12 months
- Check hose for clogs or cracks — Every 6 months
- Inspect inlet valves — Annually
- Check motor brushes (if applicable) — Every 3–5 years
Signs it needs replacing
- Significant loss of suction despite clean filters
- Motor running but no suction at inlets
- Loud or unusual motor noises
- Burning smell from power unit
- Frequent circuit breaker trips
- PVC piping cracked inside walls
Tips
Central vacuums improve indoor air quality since exhaust is vented outside or filtered in the garage.