Index C

Home Safety

Carbon monoxide alarms, smoke detectors, leak sensors, radon test kits, and more.

The best carbon monoxide detectors for 2026 — plug-in, battery and smart CO alarms for every floor of your home.

Kidde vs First Alert compared — sealed batteries, combo units, sensor types and smart features to help you choose a brand.

The best water leak detectors for homeowners — standalone sensors, smart alerts and whole-home shutoff systems compared.

The best smoke detectors and smart smoke alarms for 2026 — sealed-battery reliability, smart alerts and whole-home coverage.

A 12-point home safety checklist covering smoke and CO alarms, radon, leaks, fire extinguishers and more — in one afternoon.

The First Alert CO710 is a 10-year sealed-battery CO alarm with a digital display. We review its sensor, battery life and best placement.

The best combination smoke and CO detectors — dual protection in one unit, from sealed-battery basics to smart alarms.

The best radon test kits — lab-analyzed short-term kits and continuous monitors for home inspections and long-term tracking.

The best home safety devices for new homeowners — the essentials to buy first for alarms, leaks and emergencies.

The best home fire extinguishers — kitchen-rated and multi-purpose options, placement advice and how to use one properly.

The best surge protectors for home electronics — joule ratings, UPS backup and outlet layouts for offices and entertainment setups.