Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display
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Tools and Hardware Reviews of Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display
Customer Review: Does not seem to work
Summary: 1 Stars
I have had one of these (Kiddie Nighthawk) for several years. It always displays 0. A few days ago I decided to test it by turning on a gas burner and holding it about 1.5 feet above it with the stove vent off. After 5 minutes it still showed 0. I left it on my stove while I proceeded to cook dinner with the stove vent still off. Still no change. If this item does not work, it is giving people a false sense of security, and will not protect them. I had a Cousin die and her daughter almost die from carbon-monoxide poisioning (they did not have a detector).Customer Review: Don't buy plug-in alarms
Summary: 3 Stars
I was using plug in alarms for about 1-2 years and they seemed great. Never had a problem with the backup battery or the product malfunctioning. When we moved into our new house the home inspector told us that we needed to install carbon monoxide alarms.. and before I could tell him that I already had some packed away ready to plug in he also told us not the wall plug type for the simple reason that Carbon monoxide starts up high in the room then settles down. By the time the floor alarm detects it, it may be too late.
Now I'll say this though I'm sure something is better than nothing and hopefully would still give you ample time to vacate the house if by chance an alarm was triggered. I'm going to play it safe though and purchase a couple more ceiling units. Changing the battery every few months is not that big of a chore.
Customer Review: Eats batteries like it's starving
Summary: 1 Stars
I bought this unit because we have a fireplace. While the unit appears to work detecting carbon monoxide, as another reviewer noted it drains batteries like no tomorrow. The battery in this unit is certainly NOT used for backup. We just went through a 4 day power outage and the unit drained batteries every 4 to 6 hours. We had to keep replacing them as we were using our fireplace as our only meager source of heat. Even with AC power the battery still only lasts for maybe a month. I'm very disappointed in this model, especially since I paid good money for it.
Customer Review: Even if it were free, it would be overpriced
Summary: 1 Stars
Worthless.. After just 1.5 years displays "ERR" Customer service says it has to be replaced?!? but they won't replace it w.o. receipt despite the date of manufacture of April 2006 on the back.
This is my second Nighthawk product... my first and my last.
Wondering if I was ever protected?? Did it ever work?
Customer Review: Every floor of your house should have one!
Summary: 5 Stars
One reviewer questioned if these really work... YES they do! I had a new furnace installed recently, and the installers made a mistake. Without detectors in the house I might never have known, and my family could have suffered greatly (ie somebody could have become ill or even died!). We had had them for years and they ALWAYS read 0. When we started seeing it detect CO we knew we had a problem. Occasional low readings (such as near your kitchen on Thanksgiving if you have a gas stove) are ok, but any consistant reading is cause for real concern particularly if it is away from any known source of CO (stove, fireplace, etc).
I strongly reccomend folks place a detector on each occupied level of your home. If something happens you may very well get different readings on different levels (I did).
When selecting a CO detector be sure to pick an electornic one with a digital readout. They cost more, but are well worth it. The only maintenance with a unit like this one is replacing the backup battery. (BTW, a backup battery is a really good idea. Each year many folks die because they used various types of gas heating devices during power outages with inadequate ventalation.) Also, the digital readout will help track down problems envolving lower levels of CO and may give you earlier warning of a malfunctioning heating system.
Finally, this particular unit has an advantage in that it can be placed directly over an outlet, or the included power cord can be used to allow higher wall mounting or placement on a table/shelf/etc.