The best smoke and CO detectors are combination alarms, which use ionization and photoelectric sensors for comprehensive fire detection and also include carbon monoxide detection. Consumer Reports recommends combining ionization and photoelectric smoke detection with carbon monoxide detection in its top devices.
Recommended Smoke and CO Detectors:
X-Sense Smart Smoke/Carbon Monoxide Detector Combo:
Tom’s Guide recommends this as a top smart choice, noting its easy installation, reliability, and loud alarm.
Anka Security Combination Smoke & Carbon Monoxide Alarm:
Consumer Reports recommends this model for its dual-sensor functionality and ability to interconnect with other alarms.
Kidde Hardwired Smoke & Carbon Monoxide Detector:
Amazon lists it as a top choice for its voice alarm, interconnectivity, and LED warning light.
First Alert OneLink SCO501CN:
NBC 5 Chicago recommends this battery-powered CO detector for its accuracy, 85-decibel siren, and voice alarm.
Key features to look for:
Dual sensors: Ionization and photoelectric sensors provide the best protection against different types of fires.
Interconnectivity: Allows all alarms in your home to sound when a hazard is detected.
Voice alarm: Can clearly indicate the type of hazard and its location.
Smart features: Some models connect to your smartphone for remote alerting and battery status updates.
10-year battery: No need to frequently change batteries.
Test/Silence button: Convenient for periodic testing and silencing of nuisance alarms.