Safety and Protection
Fire and Life Safety: costs by job
Install, replace, repair and maintain costs for every fire and life safety job we track, with the trade required and how DIY-friendly each one is.
Model reviewed August 2026
Cost comparison
Typical national figures for a standard single-family home.
| Smoke Detector InstallationElectrician · DIY 4/5 | Cost under revalidation |
|---|---|
| Smoke Detector ReplacementElectrician · DIY 4/5 | Cost under revalidation |
| Smoke Detector MaintenanceElectrician · DIY 4/5 | Cost under revalidation |
| Fire Sprinkler System InstallationTypical $9,000 · Fire protection contractor · DIY 1/5 | $3,500 – $22,000 |
| Fire Sprinkler System ReplacementTypical $9,000 · Fire protection contractor · DIY 1/5 | $3,500 – $22,000 |
| Fire Sprinkler System InspectionTypical $540 · Fire protection contractor · DIY 1/5 | $210 – $1,320 |
| Carbon Monoxide Detector InstallationElectrician · DIY 4/5 | Cost under revalidation |
| Carbon Monoxide Detector ReplacementElectrician · DIY 4/5 | Cost under revalidation |