Kidde KN-COEG-3 Nighthawk Plug-In Carbon Monoxide and Explosive Gas Alarm with Battery Backup
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Tools and Hardware Reviews of Kidde KN-COEG-3 Nighthawk Plug-In Carbon Monoxide and Explosive Gas Alarm with Battery Backup
Customer Review: Constant False Alarms
Summary: 1 Stars
It's garbage. I have two of these and they randomly give false alarms. They're absolutely false alarms since I keep them close (since they're useless anyway) and only one will go off (usually in the middle of the night). I'd heard Nighthawk was the best. This unit is a joke. Buy anything else or simply flush $60 down the toilet for the same result.Customer Review: Cooking with wine sets it off!
Summary: 3 Stars
We have had this detector for 4 years with no problems. We have it located our basement furnace room. All went well until I tried a recipe for Coq Au Vin (Chicken With Wine). The first part of the recipe is the marinade - cooking the chicken for about 10 minutes in wine and veggies. The GAS alarm went off. I checked our furnace room and didn't smell any gas. We turned off the furnace and opened the windows. I called my furnace guy and he couldn't find any problems. We called our utility company and he used a gas sensor and didn't find any leaks. I figured it was just an anomaly. The next night, while cooking the Coq Au Vin, the alarm went off again. After several heated moments attempting to convince my husband all was well (HECK, you know when you have a gas leak!), I went online and read these reviews. Whew! I cook with wine/alcohol frequently, but this recipe required a full bottle of red wine. Well, now I know. Just wish I had read these reviews sooner.Customer Review: Dangerous! Does NOT detect Methane
Summary: 1 Stars
I had this alarm in my kitchen so that I could be warned of methane gas. I had a leak - during the day-thankfully! This alarm never went off. Batteries were fresh and it was right next to the stove where the leak was. later, I test this alarm bye turning on the gas and holding the alarm in the gas - it never went off! Do not buy this alarm!Customer Review: Defective Design - Too Sensitive
Summary: 1 Stars
We started getting false alarms with this model about 4 - 6 months after I installed them. The explosive gas alarm sounds at the first odor of any bathroom spray, alcohol fume, perfume, alcoholic beverage opened, and has put us all in a dissatisfied state. I am a state certified firefighter on a fire department and had my three units tested and they all failed with false positives even at our firehouse. Yes they alarm with Nat Gas and Propane but also with too many other fume types. I called Kiddie and they have sent replacements but they too have falsely triggered. I will ask they replace them with CO Alarms model instead of the COEG.
I strongly believe in having a carbon monoxide and smoke alarms, however we will never buy a explosive gas alarms until someone makes one that is reliable.
Customer Review: Detects any flammable gas as well as CO. No home should be without this.
Summary: 5 Stars
Since CO and many flammable gases are heavier than air and stay lower to the floor, you need a detector like this that plugs into a standard-height wall outlet. For smoke and hot gases which rise, you need one on the ceiling. So it makes no sense to buy one of the other so-called combined "Smoke/CO detectors". By the time a ceiling-mounted CO detector will be able to detect CO, the people in the room will likely already be incapacitated.
Each of our daughters has a gas fireplace in her bedroom, so we use these Nighthawk detectors as well as standard ceiling-mounted smoke alarms. The first time a Nighthawk CO/Gas detector went off, I raced into the room and was met with a strong smell of hair spray. My daughter's primping had set the detector off. Read the back of any can or bottle of hair spray: "Keep away from fire or flame." The Nighthawk detector was simply doing its job!
Since that time, the detectors have been set off just a few more times: twice by heavy doses of hair spray, another time from a bottle of acetone nail polish remover that had been left open, and another time from paint thinner being used on an art project. Each of those is a potential fire hazard. So I do not consider any of them a false alarm. In fact, it was reassuring that the Nighthawk let us know it was doing its job and also providing a reminder to open the windows for better ventilation.
We have never had a "false alarm". Every single time it has gone off, we could identify exactly what flammable gas or potential hazard had set it off. The "Gas Level" indicator also displayed what levels they were detected at. Opening the windows and airing the place out soon brought levels down.
We have since placed another Nighthawk detector in the living room because of another gas fireplace there, and I'm ordering another one for downstairs near the furnace room.
We have never had one of these Nighthawk alarms go off in the middle of the night, but if one of them ever does, you'd better believe we're going to take it seriously because we know how reliable they are.