Home Security System: lifespan, maintenance and replacement

Typical lifespan: 5–15 years (about 10 years).

Maintenance schedule

• Test all sensors and alarms — Monthly
• Replace sensor batteries — Every 1–3 years
• Update firmware/software — As available
• Check camera angles and clarity — Every 6 months
• Verify monitoring service connectivity — Monthly

Signs it needs replacing

• Sensors not communicating reliably
• Cameras producing poor video quality
• Frequent false alarms
• System doesn't support modern smartphones
• Monitoring company no longer supports hardware

Tips

Modern wireless systems are DIY-friendly and often cheaper than traditional wired setups.