However, many of the best smart smoke detectors with this feature require them to be hardwired, which could be an issue in older homes. Like the Nest Protect, the X-Sense Smart Smoke/Carbon ...

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.

While this model lacks some of our top pick’s nicer features, it can link up with non-smart alarms to increase their IQ. The Kidde Hardwired Smoke Alarm with Indoor Air Quality Monitor doesn’t ...

【10-YEAR LIFETIME with 1-YEAR 9V REPLACEABLE BATTERY】Jemay smoke alarm comes with an impressive ten-year lifespan, guaranteeing steadfast protection. Powered by a replaceable 9V ...

Let’s dive right into our top five products. Top Pick: First Alert 9120LBLA Hardwire Smoke Alarm Top Pick with CO Alarm: First Alert SCO5RVA Battery-Operated Combination Carbon Monoxide and ...