As it works alongside old Nest Protect alarms, the First Alert Smart Smoke & CO Alarm has been designed to be easy to install so you don’t have to replace anything and instead, can just add to ...

The best smoke detectors quickly and reliably detect fire and carbon monoxide to alert you to potential danger. As a residential carpenter, I've installed plenty of hardwired and battery-powered ...

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.

If you don’t want to DIY it, Nest partner OnTech will install doorbells and cameras ... and smart notifications for sounds from smoke alarms, glass breaking and carbon monoxide detectors.