January 2008
send to a friend printable version
Ratings CO and smoke alarms

Availability
 Most models at stores through March 2007.
In performance order.
 indicates Quick Pick.
Products with equal scores are listed alphabetically.
Excellent
Very good
Good
Fair
 Poor
 

Brand & model

 Price Overall score Test results Features

 
Text here

 Text here

 Text here

 Text here

 Text here

 Text here

 Text here
 

STAND-ALONE ALARMS These sound an alarm individually--fine for smaller, single-level homes.

American Sensors AC Digital & Battery Backup CO920

$100 •     •  
 

American Sensors CO910

 55 •     •  

Kidde Nighthawk KN-COPP-B
CR Best Buy

 40 •   •    
 

Kidde Nighthawk Premium Plus KN-COPP-3 Good Value

49 •     •  
 

First Alert FCD2BT

35       •  

Kidde Nighthawk Smoke & CO Combo KN-COSM-B

 42   • •    
 

Senco Model One CO Alarm

65 •   •    
 

American Sensors CO800

 35       •  
 

American Sensors CO1100G

 70     •    
 

American Sensors Plug-In CO with Nightlight CO800EL

 70       •  
 

Kidde Nighthawk KN-COB-DP-H

 45       •  
 

Kidde Nighthawk Premium KN-COP-DP

 70 •     •  
 

Kidde Nighthawk Basic CO KN-COB-B

 25     •    
 

First Alert Smoke and Carbon Monoxide Alarm SCO1N

 55   • •    
 

INTERCONNECTING ALARMS These trigger other alarms in case one is out of earshot.

First Alert OneLink Smoke & CO Alarm SCO500CN    [This product has a recall associated with it.]

 $75   • •    

Kidde Nighthawk Smoke & CO Combo KN-COSM-IB

70   •     •
 

BRK Electronics CO5120BN

50         •
 

GE Security ESL SafeAir 240-COE

70         •
 

Macurco CM-15

105         •
 

Costar 12SIR

65         •

 Battery backup.  6-year warranty.  Voice alarm provides current CO level as well as peak level after pushing test button once alarm has sounded.  Photoelectric smoke sensing; others with smoke alarms use ionization sensing.
 Works only with home-security systems.  2-year warranty.