Carbon monoxide alarm5/30/2023 Besides the audible 85-decibel alarm, a flashing LED provides a visual indicator of danger as well. For under $25, a basic model, like the First Alert CO400, continuously monitors for harmful levels of carbon monoxide, and sounds the alarm if such a condition develops. With this parameter in mind, the Kidde Nighthawk is an excellent choice.ĭimensions: 6.06 x 3.75 x 1.75 inches | Power Source: Plug-in, with 9-volt battery backup | Smoke Detector: No | Warranty: 10 yearsĪ budget carbon monoxide alarm is a small investment towards peace of mind. Johnson-Arbor suggests that carbon monoxide detectors should always be placed in or within 10 feet of any sleeping area. "There were children in another room, and they were on high alert once the alarm started sounding."ĭr. "The volume definitely gets your attention," our at-home tester reported. However, it is loud enough that we feel confident it would wake most people while sleeping. The intermittent pattern of the alarm-four beeps, followed by 5 seconds of silence-may not immediately grab your attention. It provides a reading of current CO levels and is helpful for interpreting the beeps that the device may emit. The digital display is a helpful feature not always found on carbon monoxide detectors. It has just two buttons: for testing the unit and to recall peak levels of detected carbon monoxide (CO), measured in parts per million (PPM). A 9-volt battery backup gives you confidence that the Kidde Nighthawk keeps monitoring for carbon monoxide, even if there is a power outage. The Kidde Nighthawk also stands out for having a simple interface. Once it powers on for the first time, it lasts for 10 years before signaling it's time for replacement. This plug-in model requires no electrical know-how and takes up just one standard outlet. We found it easy to use and reliable, earning it our top recommendation for a carbon monoxide alarm. It doesn’t include a smoke detector function, which was our biggest point of concern. However, it’s an ideal choice if you’re specifically looking for a carbon monoxide alarm and already have hardwired smoke detectors in your home. The Kidde Nighthawk has one purpose: to monitor for dangerous levels of carbon monoxide. Here are the best carbon monoxide alarms. Our top recommendation, the Kidde Nighthawk Carbon Monoxide Detector, impressed with its ease of use, reliability, and affordable price point. Each model was evaluated based on its safety features, along with how easy it is to install and use, its display options, and overall value. We researched the best options available for carbon monoxide alarms, including hardwired, plug-in, and battery-powered options. She points out that a working carbon monoxide detector emits a loud, obnoxious noise in the presence of dangerous levels of carbon monoxide: “The noise is loud enough to wake up a sleeping individual who might otherwise not experience any warning signs of carbon monoxide poisoning.” Kelly Johnson-Arbor, the Interim Executive Director of the National Capital Poison Center and a medical toxicologist. “Carbon monoxide is known as a 'silent' killer because humans are unable to see, smell, or taste it,” says Dr. The device is tuned to detect dangerous levels of carbon monoxide, which is vital because carbon monoxide is colorless, odorless, and can be lethal. The Spruce Home Improvement Review BoardĪ carbon monoxide alarm is considered a home safety necessity.
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