Best Smoke Detectors for 2025, Enginner-Tested and Approved. Tyler Lacoma. Thu, June 5, 2025 at 4:00 PM UTC. A smoke detector is essential to keep your family safe and sound.

Best for smoke and carbon monoxide detector: Kidde Smoke & Carbon Monoxide Best battery-powered : First Alert PR710 Slim Smoke Alarm Best smart : Google Nest Protect ...

Top pick: First Alert SM500V Interconnected Battery-Operated Smoke Alarm with Voice Alerts; Best for smoke and carbon monoxide: First Alert SMCO500V Interconnected Battery-Operated Combination ...

Photo: Jennifer Pattison Tuohy. The second-generation Nest Protect smoke and carbon monoxide alarm is the best smart smoke alarm for everyone because it reliably and calmly alerts you to potential ...

Kidde Firex Smoke Alarm i4618AC Ionization Sensor (Update: Out of Stock): As expected from an ionization detector, it had the best performance detecting a fast-flaming fire in just 16.9 seconds ...

Who this is for. Among all the smart-home devices available today, a smart smoke alarm is probably the most important—even smart-home skeptics should consider getting one.