We spoke to a fire safety expert and weighed the pros and cons of cost, reliability and installation of hardwired smoke alarms versus battery-operated. Here’s everything you need to know.

On April 3, Nest Labs halted sales of the Nest Protect smoke and CO alarm and deactivated the hush feature, called the Nest Wave, over concerns that the alarm could be unintentionally deactivated.

But not all models are the same. Our pick for the most reliable smoke alarm is the Kidde Dual Sensor Smoke Detector PI9010 because it can detect different types of home fires, making it one of the ...

Instead of blaring an alarm at the slightest smoke, the Nest Protect is smart enough to figure out if it's just, say smoke from burnt bacon, and then warn you verbally. If it is just bacon smoke ...