Roost's alarm just packages the company's battery with an ordinary smoke detector -- so it has the same drawbacks as the battery on its own, but costs more.

In general, interconnected smoke alarms offer the most safety. "When one smoke alarm sounds, they all sound. Interconnection can be done using hard-wiring or wireless technology," the NFPA says.

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 danger whether you're home or ...

Q. I live in a house that is 10 years old. This winter, I noticed a small amount of water dripping from a smoke detector installed on the ceiling of the second floor. I had a roofer inspect the a ...

If you think that your alarm's old battery has some "life" left, use it in a product that doesn't have to do with safety. Or consider a switch to a newer model of smoke alarm with a lithium-ion ...

First Alert Ionization Smoke Alarm Kidde Smoke Detector First Alert Hardwired Smoke and Carbon Monoxide Detector We’ve all been there. It’s 2 a.m. and you hear an eardrum-piercing beep.

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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. Whether you're across ...