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.

Some states and new construction require your smoke detector to be hardwired along with a battery backup. This smoke alarm by Kidde not only has a hard wiring option it stands out for its easy ...

The second-generation Onelink Smart Smoke + Carbon Monoxide alarm comes in battery and hardwired models. Similar to the Nest Protect, the Onelink will not only sound an alarm, but also specify the ...

and the Kidde Smart Smoke and CO Alarm with Ring ($75), which are expected to be available in April. Both hardwired alarms include a battery backup, the ability to provide 7 days’ notice about ...

I would like to add a battery-operated smoke detector in the garage. Can it be connected with the ones in the house? Also, I am considering internet connectivity for the alarm system. In a wired ...

Nest launched the 2nd gen Protect a year before it became part of Google. Like all smoke detectors, the Nest Protect comes ...

The new First Alert Smart Smoke & CO Alarms will cost $129.99 and will be available in hardwired or battery-powered options later this year in the US and Canada. They’re available now for ...

Always check a smoke alarm battery regularly ... a house-wide safety system controlled from your phone. This mains-wired alarm is excellent at detecting smoke using ionisation and can be linked ...

Top Pick: First Alert 9120LBLA Hardwire Smoke Alarm Top Pick with CO Alarm: First Alert SCO5RVA Battery-Operated Combination Carbon Monoxide and Smoke Alarm What We Think of the First Alert ...