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CO & smoke alarms

Kidde Nighthawk KN-COB-B-LS
Kidde-Nighthawk KN-COB-B-LSCO & smoke alarm-image
Price range:
$26.49 - $49.90
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Summary: This model was tested by our experts.
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Community icon1 person has reviewed this model.
Type: Stand-alone alarms
About - Kidde Nighthawk KN-COB-B-LS

The Kidde Nighthawk KN-COB-B-LS is part of the CO & smoke alarm test program at Consumer Reports. In our lab tests, carbon monoxide alarm models like the Nighthawk KN-COB-B-LS are rated on multiple criteria, such as those listed below.


High CO levels:
High CO levels rates a model's response to CO of 300 parts per million.

Low CO levels:
Low CO levels rates a model's response to CO of 150 ppm.
About This Brand

Kidde owns FireX branded units and offers the Nighthawk and Silhouette lines. Nighthawk comes in plug-in and battery operated units. Price range of carbon monoxide units is $20 to $70. The Silhouette line comes in hardwired units and features a sealed, self-charging lithium battery that lasts for the life of the unit. The units can interconnect with other units and retail for about $60. Kidde also offers combo units, which have a smoke detector feature in addition to the carbon monoxide detector.

Kidde also carries the Intelligent alarm (not tested), which uses one device to detect fast flaming and smouldering fires and carbon monoxide. A voice warning is issued based on what danger is detected. CO alarms are sold in home improvement stores, including Home Depot and Lowes,  at Sears, and at food and drug stores.

Smoke alarm prices range from $10 to $70. Kidde makes dual sensor units that use ionization and photoelectric technologies.

Features & Specs - Kidde Nighthawk KN-COB-B-LS
info Power supply Battery
info Peak memory No
More features and specs
User Reviews - Kidde Nighthawk KN-COB-B-LS
Consumer Reports User Reviews
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By from
(2 of 3 customers found this review helpful)
 
1.0
Didn't work out of the box
1/9/2011
Pros
Inexpensive
Cons
Doesn't work properly
Best Uses
Comment:
These units were purchased by the previous owners of our home, and they installed one and left the other for us to install. Neither unit works properly (nothing on the display, only beeping, which the instruction manual indicates that means there is a problem with the unit) and they are brand-new, right out of the packaging. I'm actually on the website doing research to see what other product to replace them with!
How long have you owned it:
A month or less
Bottom Line
No, I would not recommend this to a friend.
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