Kidde KN-COSM-1B smoke alarm

Approximate retail price:
Price it button
Dividing line
Community iconOwn this Model?
Type: Ionization smoke alarms
About - Kidde KN-COSM-1B

The Kidde KN-COSM-1B is part of the CO & smoke alarm test program at Consumer Reports. In our lab tests, smoke alarm models like the KN-COSM-1B are rated on multiple criteria, such as those listed below.

Flaming fires:
Flaming fires is response time to paper fires with little smoke.

Smoldering fires:
Smoldering fires is response time to wood-fed smoky fires.
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 KN-COSM-1B
info Power supply Hardwire, Batt. Backup
info Interconnectable Yes
info Hush button Yes
More features and specs
User Reviews - Kidde KN-COSM-1B
User Reviews
Already own it? Write a review
There are no reviews from Consumer Reports subscribers. Be the first Consumer Reports subscriber to review this product.