Kidde KN-COEG-3 Nighthawk Plug-In Carbon Monoxide and Explosive Gas Alarm with Battery Backup
by Kidde
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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: False Alarm Device is what this is
Summary: 1 Stars
This things has caused too much panic. Gas alarm was going crazy so I rush home, have the kids and wife with the doors open in the sub zero temps and find out that the gas was going off due to my wife cooking with wine. Oh yes, this was the second and final false alarm. First time was after the fire department showed up and found nothing. Found out that a Lysol spray during cleaning set it off. (just google similar questions)
DON"T get these multi-sensor alarms. Stick with the CO2 only.
Oh, and calling Kidde got me to someone saying the unit was defective, and I should send it back for replacement. They would not even offer to cross ship, so the company thats trying to sell products to save my life is ok with me not having their product while I ship it back. The irony!
Customer Review: Saved our lives
Summary: 5 Stars
We recently purchased this device and last night, the alarm sounded and it said, GAS and the number 218. We went outside to get fresh air and my husband noticed a hissing noise near the street. Natural gas was pouring out of a crack in the pavement in the street in front of our house and seeping into our house. This was at 1:30a.m. We were not awakened by the gas smell, in spite of the additive that is added by the gas company. It was approaching the flammable situation and very dangerous. We became nauseated and dizzy after a few hours of being exposed to the smell after being awakened by the alarm. We are thankful to be alive. We bought this at a local Lowe's store and paid more than the other detectors, but it was well worth the extra dollars. We highly recommend this device.Customer Review: Peace of Mind
Summary: 5 Stars
We got this to replace another detector (that didn't detect the unlit stove filling the air with gas).
Our propane delivery man recommended anything with Nighthawk technology, saying that technology was much better than the others. This covers propane, natural gas, and carbon monoxide. It plugs right into a wall outlet, so you don't have to mount it anywhere. It also has a battery for power outages and other nice features.
I find it comforting that other reviewers said it alarms when hair spray or shellac are in the air. It sounds like it covers even more explosive gases than it claims on the package.
I've not been around propane stoves, hot water heaters, etc. for some years, so I wanted some reassurance of our safe use of these.
Customer Review: Batter Killer
Summary: 2 Stars
I have had two of these units in the last 8 years. The product life is 7 to 8 years per Kidde, the manufacturer. After 7+ years of use they will go on "Err" error and will not reset but must be replaced. Both units tended to drain and kill 9V backup batteries rather quickly; i.e. 2 weeks to 6 months. This happened while constantly connected to AC with no apparent reason. The battery low chirp noise always seemed to happen in the wee-small hours of the morning on a workday. If you purchase it, I hope yours is kinder to backup batteries than my two units.Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital DisplayCustomer Review: Had a serious gas leak: no alarm
Summary: 1 Stars
I could live with the few false alarms we had with our unit - but in January, when a knob on our natural gas stove had been left partially "on" - I came home to a house sickeningly filled with gas - and the Nighthawk blithely read "0 PPM". No alarm - not a peep. It was by the Grace of God that my house didn't explode when I flipped on the light switch before I smelled the gas. An hour after opening all the doors and windows, our utility technician arrived - and her "gas sniffer" went crazy - it was still reading 4% concentration of gas. I'm sure the initial concentration had been 3+ times that much.
If my light switch had sparked - I could have been killed. For this unit to NOT have sounded any kind of alarm is truly scary.