
Are 10-Year Smoke Detectors Reliable?
Are 10-year smoke detectors reliable? Learn what a sealed battery can and cannot tell you, how to maintain an alarm, and what to check before buying.
Clear guides to smoke detectors, CO detectors and combination alarms from Kidde, First Alert and X-Sense. Start with the kind of alarm you need, the one you're replacing or the beep that won't stop.

Are 10-year smoke detectors reliable? Learn what a sealed battery can and cannot tell you, how to maintain an alarm, and what to check before buying.

Compare battery operated smoke detectors by battery life, sensing, and connectivity. Find a standalone, interconnected, or smart alarm for your home.

Compare hard-wired smoke detector replacements for smoke-only and smoke-and-CO coverage. Check backup power, interconnect needs and fit before choosing.

Compare the best plug in carbon monoxide detector picks by display, backup power and smart alerts. Find the right fit for your outlets and rooms.

Compare smart smoke detectors with app alerts for smoke, carbon monoxide and low batteries. Find battery and hardwired options for your home.

Compare smoke alarm and carbon monoxide detector combos by power, alerts and setup. Find a fit for hardwired systems, battery use and multi-room coverage.

Compare the best smoke detector for kitchen use, with picks that help reduce cooking alarms and options for battery power, hardwiring and linked alerts.

Compare the best smoke detectors for home by power, sensing and interconnection. Find a battery or hardwired alarm that fits your rooms and wiring.

Compare wireless interconnected smoke alarms for smoke-only or smoke and CO coverage. See how each set differs in sensors, battery, linking and controls.