Last Updated: March 5, 2020 (Refresh Now)
Kidde AC Plug in Carbon Monoxide and Explosive Gas Detector Alarm Nighthawk Sensor Technology Model KN COEG 3
Last Updated: March 5, 2020 (Refresh Now)
8.2
SCORE
/10
Total Reviews
999
Old Reviews
488
Unverified
44
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Review Analysis - 467 recent, verified reviews
Detailed Mode
Product Reliability
607 years, malfunctioned, beeping, detector, replaced
+67%
-33%
" ... Great unit this is my second unit first unit lasted about 10 years. ... "
" ... This unit replaces one that I have had for 5 or so years . ... "
" ... This is my 2nd one, as the first had reached it's expiration date and actually exceeded it by 3 months and with the winter heating season coming on I sleep better at night, knowing that I'll get an alarm that will wake the dead if it detects carbon monoxide ... "
" ... It truly lasts 7 years! ... "
" ... She says working well ... "
" ... Working great so far! ... "
" ... As far as I know it's working just fine. ... "
" ... I bought this so issues would be recognized sooner. ... "
Battery Life
45backup, 9v, beeping, detector, outlet
+44%
-56%
" ... Returned initial devise because low battery kept chirping. ... Each one signaled low battery within a week. ... "
" ... Started beeping and flashing low battery suddenly. ... Changed battery at least 3 times. ... "
" ... I tested the battery and it was at full charge, but I still replaced it with another new battery. ... "
" ... The battery back up only last a few hours. ... And that’s using their Kidde battery. ... "
" ... Directions say replace if it still says ERR after replacing battery. ... "
" ... Good product to have, but they shipped it to me with a dead battery. ... The unit was beeping with the provided battery. ... I put a new battery in, and the dying battery alert stopped. ... "
" ... Did not include the battery! ... "
" ... The second one started the shrill low battery alerts after a couple of weeks, generally after I was in bed, of course. ... Multiple replacement batteries from different manufacturers and it was still doing it, which, of course, made it useless. ... "
Ease of Use
44easy to read, easy to use, easy, read, plug
+100%
" ... This item is sophisticated but simple to use and effective. ... "
" ... This was easy to install, and understand the level of CO. ... "
" ... Easy to set up and plug in. ... "
" ... Super easy setup. ... "
" ... Easy to install. ... "
" ... Excellent product, accurate readings and easy to set up . ... "
" ... Easy to install and easy to read- what are you waiting for? ... "
" ... Easy to plug in. ... "
Setup
40easy, plug, instructions, installation, install
+98%
-3%
" ... Easy to install and easy to understand operating instructions. ... "
" ... Easy to install ... "
" ... Very sparkly, and they were so easy to apply and the link was easy to cut. ... "
" ... the instructions state to put the device almost to the ceiling . ... "
" ... Easy to plug in. ... "
" ... Was very easy to set up and test. ... "
" ... Easy to install. ... "
" ... This replacement was at a good price and easy to install. ... "
Capacity
33gas, family, propane, upstairs, kidde
+88%
-12%
" ... Perfect for use in RV. ... "
" ... I bought this product for my entire family, workers and work place. ... "
" ... Best to install in sleeping area. ... "
" ... this product is great for elders not paying attention to or not able to detect smells in the house. ... "
" ... I just ordered s second one for the lower level of our home. ... "
" ... THANKS FOR WASTING MY MONEY AND ENDANGERING MY FAMILY, KIDDE! ... "
" ... We place in our upstairs hallway. ... "
" ... I trust Kidde with my family . ... "
Clock
24gas, alarms, propane, loud, kidde
+58%
-42%
" ... Tough to find a propane gas alarm - this seemed like the most reasonable option and Kidde is a good name. ... "
" ... Been using for a few months now with no glitches and no false alarms so seems to be working well! ... "
" ... I need an alarm that's functional and reliable. ... "
" ... I have a ventless fireplace, so am interested to know about ANY levels of Carbon Monoxide - preferably BEFORE it reaches a predefined alarm level. ... "
" ... Never had it alarm though. ... "
" ... Plugged in the device and so far so good, no alarms. ... "
" ... Works as it should, and has a truly profound alarm. ... "
" ... This is a simple plug in alarm. ... "
Display Clarity
18digital display, easy to read, beeping, monoxide, gas
+67%
-33%
" ... Easy to install at floor level (necessary to monitor CO2 levels) with well lit display. ... "
" ... I like the digital display on both detectors. ... "
" ... The digital display is large enough to see partway across the room. ... "
" ... I like it has a display of gas and co in the front of the unit ... "
" ... I love the digital display on this unit! ... "
" ... It was easy to set up and plug into the wall, and the display is easy to read. ... "
" ... Display is easy to read. ... "
" ... Large LED display. ... "
Marketplace
16works as advertised, product, item, thank, manufacturer
+75%
-25%
" ... Great product and great seller ... "
" ... Thank you it is just what I needed! ... "
" ... Works as advertised, at least I hope it is . ... "
" ... Works as advertised. ... "
" ... Item as stated ... "
" ... Product is as advertised. ... "
" ... Item as described ... "
" ... Works as advertised. ... "
Price
15waste of money, peace of mind, worth, waste your money, penny
+73%
-27%
" ... 1) I wish it was just lower in price ... "
" ... Much better than most in the same price range . ... "
" ... everyone could use one .works well price good ... "
" ... Hard to put a price on this peace of mind. ... "
" ... Small price to pay for the peace of mind. ... "
" ... Was on sale for half price. ... "
" ... This unit is well made and gives piece of mind - worth every penny. ... "
" ... it’s a low price to pay for peace of mind. ... "
Delivery
15shipped, fast delivery, delivery, received, described
+80%
-20%
" ... Fast delivery and ease of use ... "
" ... Arrived very timely. ... "
" ... Fortunately the packaging protected the product. ... "
" ... Arrived on time and Undamaged. ... "
" ... Delivery was prompt and the product was as expected. ... "
" ... Great product and fast delivery! ... "
" ... I received the unit just fine ... "
" ... Exactly as expected and shipped as ordered ... "
Ports
13outlet, wall, plugged, cord, socket
+100%
" ... I plugged it into the outlet and it’s worked great so far in protecting me. ... "
" ... [+] Clever design with AC adapter where you can plug and mount this unit to the outlet or take the adapter out with cords for an outlet you need to reach ... "
" ... Plug and go. ... "
" ... You can switch the plug to fit your wall outlet. ... "
" ... No issues plug it in and your done ... "
" ... there is an extender that allows me to have more space on the AC port. ... "
" ... Love it because all I had to do was plug it into a wall socket and it was ready to go. ... "
" ... I really like that it can be plugged in to the outlet. ... "
Returns
12return, trash, returning, replaced, sent it back
+8%
-92%
" ... I just missed the return window however I will obtain a chargeback from my credit institution. ... "
" ... Can't trust it so it's in the trash. ... "
" ... I am returning them for a refund. ... "
" ... Will be returning. ... "
" ... I emailed Kidde 3 times but they won't respond. ... I might as well return the unit if it won't function properly and the company refuses to respond. ... "
" ... I had to return it. ... "
" ... I previously had one of these until it expired. ... "
" ... Return window too short. ... "
Cables
10wall, wire, outlet, receptacle, plugs
+50%
-50%
" ... If anyone knows if it will function on a 12 volt system I'll permanently wire it in and change my review. ... "
" ... After having a gas leak, due to a contractor useing a wrong connector, I was worried about it happening again. ... "
" ... A hint: don’t pull out the long cord on the left side, you’ll never get it back in. ... "
" ... Anyone who plugs this into a wall outlet is kidding themselves. ... "
Build Quality
9feel, safe, piece, falling, wear
+78%
-22%
" ... A very safe piece of equipment. ... "
" ... Looks like a sturdy device. ... "
" ... We like it and feel much safer and protected now. ... "
" ... Especially, if you reside in a wood frame type of structure. ... "
" ... Fortunately the packaging protected the product. ... "
" ... Feel very safe now! ... "
" ... Made us feel better knowing we were protected ... "
Charging
9plugged, outlet, backup, wall, low battery
+67%
-33%
" ... I bought this, threw in a 9v battery, and plugged it into the wall outlet by the stove, and at the same level of the stove top, and never thought about it sense. ... "
" ... It plugs into electrical outlet and has battery backup, I hope I never have to find out how it works. ... "
" ... [+] It has a long lasting 9V battery backup option in addition to AC adapter ... "
" ... It plugs right into the wall & also comes with a 9 volt battery for backup power for when the lights go out! ... "
" ... This unit is perfect, you just connect the back-up battery inside it and then plug it in an outlet. ... "
" ... 2) It has dual power (battery and plug in) ... "
Product As Described
8product, item, hope, described, stated
+100%
" ... Item as stated ... "
" ... Product as described. ... "
" ... Works as advertised. ... "
" ... Works as advertised, at least I hope it is . ... "
" ... Product is as advertised. ... "
" ... Item as described ... "
" ... Works as advertised. ... "
" ... Works as advertised ... "
Sound Quality
7gas, concentration, loud, beeps, audible
+86%
-14%
" ... Audible and effective. ... "
" ... I think the only thing I need to do is move it up higher to sound sooner. ... "
" ... I liked that it senses both gas and carbon monoxide and alarm is very loud. ... "
" ... Visual notice and audible beeps. ... "
" ... I am really hoping I never get to hear it go off. ... "
" ... The packaging says that it might take up to 4 hours to sound depending on the concentration of CO, this is consistent with the UL standard. ... "
Other
6sensor, years, monoxide, kidde, detected
+67%
-33%
" ... I liked the gas sensor feature as a addition to the CO sensor. ... "
" ... Dual sensors in one unit. ... "
" ... I brought the sensor in the house, opened the package and set it up. ... "
Power Consumption
6outage, battery
-100%
" ... do you expect the home user to be expert in power voltage ... "
" ... Worked fine until the first power outage. ... "
" ... There have been no power outages. ... "
" ... Without purchase power unit is useless. ... "
" ... Not good for an RV where power is constantly available. ... "
" ... Battery back-up failed during electricity outage. ... "
Design
6would, looks, beautiful, nice, makes
+83%
-17%
" ... Looks like a sturdy device. ... "
" ... Nice design - decent price - seems to work, though I have not tested it with combustible gas nor CO. ... "
" ... Makes me feel better knowing I have this. ... "
" ... I have to say, they did look really beautiful. ... Again, they looked beautiful and I'm happy I used them but next time I would order bigger. ... "
" ... I like the way this model looks. ... "
Comfort
6makes, wear, size, safe, much
+67%
-33%
" ... I bought this for my aunt and it makes her feel much more secure. ... "
" ... Makes me feel better knowing I have this. ... "
" ... That’s like getting half dressed. ... "
" ... Feel very safe now! ... "
For Travel
5traveling, take, travel trailer, home, vacation
+60%
-40%
" ... I use at home but bought to take with us on vacations when we stay in condos. ... "
" ... Using in my travel trailer and so far, so good . ... "
Accuracy
5said, one, smaller, readings, easy to set
+60%
-40%
" ... They compared there expensive detectornto rhis one and said this one was extremely accurate. ... "
" ... although I believe the measurement is accurate, they are very, very fine and do come up smaller than expected - and that was even with me knowing everyone had said they were smaller lol!! ... "
" ... Excellent product, accurate readings and easy to set up . ... "
Controls
4reset, pushed, buttons, unplug, test
+25%
-75%
" ... My daughter accidentally hit the stovetop button and moved it slightly on when she reached back to turn the oven on. ... When I pushed the "reset" button it detected gas and kept beeping like crazy, but NOTHING before. ... "
" ... Beeps extremly loud if you press reset. ... "
Overall performance
4unit, gets
+100%
" ... Does the job well. ... "
" ... Definitely gets the job done, but is quite large so best to hide it. ... "
" ... FANTASTIC PERFORMING UNIT AT A GREAT PRICE TOO! ... "
" ... doing it's job . ... "
Device Compatibility
4plugged, tested, monitor, devices, device
+75%
-25%
" ... I would recommend this monitor. ... "
" ... Plugged it in and it works. ... "
" ... And it's not like we're talking about defective smart phones, tablets, or other consumer products. ... We're talking about LIFE SAFETY devices! ... "
Cleaning
4gas leak, sprayed, propane, gas
+75%
-25%
" ... As we had just installed a new gas stove, converted to propane, we thought it wise to have such units installed near the floors at the gas entry point and stove locations, should a propane gas leak occur to alert us to the danger of a potential explosion and/or fire. ... "
" ... We have one on each floor, and knowing that they detect gas leaks is a huge benefit (we have gas heat, water heater, stove, and dryer). ... "
" ... The guy came right away and sprayed the lines with soapy water to which he was met with lots of bubbles, indicating a gas leak. ... "
Network
4read, outlet, house, furnace, floor
+100%
" ... We place in our upstairs hallway. ... "
" ... I wonder if my house is seriously 0 all the time ... "
" ... Unit is installed in the furnace room downstairs and we can easily here it in the bedrooms upstairs when testing it. ... "
Volume
3alarm, hear, house, gas, event
+67%
-33%
" ... I liked that it senses both gas and carbon monoxide and alarm is very loud. ... "
" ... 85 db alarm is plenty loud. ... "
Sleep Tracking
3works, sleeping, knowing, going, gas
+100%
" ... Don’t have a problem but I’m sleeping easier ... "
" ... We sleep better knowing this device is on guard for our family every day! ... "
Cable Length
3wire, wall, somewhere, plugs, plug
+67%
-33%
" ... Liked the cord plugin option ... "
" ... It plugs right onto the wall or has small extension cord plug so it can plug one place and placed somewhere else. ... "
Fit
3plug, somewhere, slides, mount, wire
+33%
-67%
" ... I tried contacting Kidde to discuss the issues with them, but their phone lines currently have "unusually long hold times right now", due to, guess what, recalls of OTHER Kidde units that don't detect smoke. ... "
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Specifications
No specs available.