Look for Interconnected Detectors When Available You can interconnect some smoke and carbon monoxide detectors so that all units in the house sound an alarm when any single one is triggered.

At the moment, our favorite pick — but by no means perfect — is the X-Sense Smart Smoke/Carbon Monoxide Detector Combo, which gets you a pack of five interconnected alarms for around $200 ...

Many smoke alarm systems are interconnected, which means you can thankfully test them all by only testing one unit. I suggest taking a look at your manual or app for instructions on how to test ...

Each of these interconnected X-Sense alarms in this 6-pack system can be controlled via a remote so users don't have to scale ladders and step onto chairs in order to mute an alarm.

First Alert SM500V Interconnected Battery-Operated Smoke Alarm with Voice Alerts. These alarms are built to the most recent standards and can be interconnected so they all sound at once.

Interconnected heat alarms are your best option, as they will set off other smoke and CO alarms in your house if there’s a fire in the garage, giving you more time to call 911 and get to safety.

First Alert and Kidde both make bridge units that allow a battery-only detector to communicate with wired-in detectors, creating the interconnected system you want. Advertisement.

Many smoke alarm systems are interconnected, which means you can thankfully test them all by only testing one unit. I suggest taking a look at your manual or app for instructions on how to test ...