Maintenance Guides / Safety & Electrical

Replace smoke detectors (10-year lifespan)

Difficulty: easyTime: 60 minsEst. Cost: $20 - $200

Why it matters

Smoke detector sensors degrade over time and become less reliable after 10 years, even with fresh batteries. Most detectors have a manufacture date stamped inside. This is an NFPA and manufacturer recommendation.

Stop forgetting to do this.

HomeOS generates a personalized maintenance schedule so you never miss another replace smoke detectors (10-year lifespan).

How to do it

  • 1

    Check the manufacture date inside each detector.

  • 2

    Replace any that are 10+ years old.

  • 3

    When replacing, consider interconnected or smart detectors so all alarms sound when one triggers.

  • 4

    Install at the ceiling center of each bedroom, hallway, and floor.