Customer Reviews For The First Alert Plug-In Carbon Monoxide Alarm with Digital Display - CO615

Overall Rating

93 Reviews
91 customers recommend this product
Carolyn C
August 23, 2022
Verified Purchase
Great Customer service

The best part about owning a first alert carbon monoxide monitor is the customer service. It is outstanding. It exceeded my expectations.

R L Hoover
November 27, 2020
Verified Purchase
Exceptional customer service

The help we received in selecting the best smoke & CO alarms for our home was absolutely exceptional! Responses to our numerous questions were very fast & thorough. Well done

October 21, 2020
Verified Purchase
CO alarm

Great site, easy to find what was best for me needs. Order arrived quick and well packaged. Easy to install.

Namita Shroff
August 14, 2020
Verified Purchase
Easy to install

Compact and easy to install and test, came along with backup batteries.

Yusuke Tomizawa
May 12, 2020
Verified Purchase
Great product

Very easy to set up and install, fortunately I have not had the opportunity to find out if it works but I trust that it does, and this is the 3rd one I've added to replace ones the previous owner of my house installed and have since expired.

Gary Morgans
May 7, 2020
Verified Purchase
Easy to install

Just plug it in super easy. Hopefully I'll never have the chance to see how it operates.

April 18, 2020
Verified Purchase
CO Detector ordered for a friend

I ordered this detector for a friend who is technically challenged because this device is very easy to install, has a very loud alarm, simple to test, and most importantly a visual display showing the CO level when it does alarm. The price is reasonable given there is a 7 year warranty. I wouldn't hesitate to buy one again.

April 18, 2020
Verified Purchase
CO Detector Easy to Install & Read

This detector can be installed in a normal A/C plug or mounted near the ceiling using the included extender cord on the plug. I like the visual display and the 7 year warranty. I do recommend this device.

julia a Herndon
April 18, 2020
Verified Purchase
Screen display messages

My 3rd CO2 monitor in as many weeks. Easy to install, in a lower to the ground location. Location and screen make testing and reading test the display easy. Needed more explicit instructions about what a real alarm condition would be like. Had to consult a pro.

January 16, 2020
Verified Purchase
CarbonMonoxide Display w/BatteryBackup

I would give it excellent, but on one of them I ordered several the little door in front wont stay closed. Other than that needed to replace it all is good, and when I replaced, I replaced with the same model.

November 17, 2019
Verified Purchase
Not in place as yet

Have used these before. Good item.

Tim Littlefield
October 24, 2019
Verified Purchase

Very happy with my contact with Customer service. Product is everything I expected. Easy to install.

Roger Jones
October 12, 2019
Verified Purchase
Exactly as described

Came with everything needed and easy to install. Like that it shows amount of co2

Linda Smith
July 2, 2019
Verified Purchase
Great product and efficient processing

Product was described accurately and priced competitively. Order was packaged properly and received promptly with no problems.

Chris Hughes
June 24, 2019
Verified Purchase
Easy Setup/Use, Hope it works

No issues with this product thus far, very easy to setup with accompanying instructions-light reading...I hope it works as advertised and will follow-up if necessary. Good Product!

Chi Ming Koo
April 12, 2019
Verified Purchase
A Well-designed and User-friendly Product

I was a bit apprehensive when I ordered three of this product, but it turned out to be one of the most user-friendly products I could recall. Once I read the user guide, the monitor was easy to understand, to install, and to check on an on-going basis.

Pamela Paschall
March 11, 2019
Verified Purchase
very descriptive

This product is rated well with Consumers and has not had any recalls as yet, so it was a good choice for me. As I just installed it in our home, it is too soon to say how it works over time so my number is based on information researched.

Scott Favero
March 4, 2019
Verified Purchase

product is of good quality and works very well in our station

Nancy Jachcik
February 11, 2019
Verified Purchase
Easy to use

No problems with set up Just plug in and feel safe!

December 12, 2018
Verified Purchase
Plug-in Carbon Monoxide Alarm

Received fast. Simple installation. So far so good.

How do I get my carbon monoxide alarm to stop chirping?
If your carbon monoxide alarm keeps chirping, the battery may be low or weak. On First Alert carbon monoxide detectors, check to see if the battery light is yellow or green. If the alarm is chirping and the light is yellow, it means the battery is low. The way to get a carbon monoxide alarm to stop chirping is to replace the battery.
Where should I install carbon monoxide alarms? What is proper carbon monoxide alarm placement?
It is very important to install carbon monoxide alarms near or in each separate sleeping area. Many states now require that a carbon monoxide alarm is placed in each bedroom. For added protection, placement of an additional carbon monoxide alarm at least 15-20 feet away from the furnace or fuel burning heat sources is recommended. Also, install carbon monoxide alarms at least 10 feet from sources of humidity like bathrooms and showers. In two story houses, install one carbon monoxide alarm on each level of the home. If you have a basement, carbon monoxide alarm placement is recommended at the top of the basement stairs.
Is there anywhere I shouldn't install carbon monoxide alarms?
Do not install carbon monoxide alarms in garages, kitchens, furnace rooms, or in any extremely dusty, dirty, humid, or greasy areas. Do not install alarms in direct sunlight, or areas subjected to temperature extremes. These include unconditioned crawl spaces, unfinished attics, un-insulated or poorly insulated ceilings, and porches. Carbon monoxide alarms should not be installed in outlets covered by curtains or other obstructions. Do not install in turbulent air-near ceiling fans, heat vents, air conditioners, fresh air returns, or open windows. Blowing air may prevent carbon monoxide from reaching the CO sensors.
How many carbon monoxide alarms should I have in my home?
So how many carbon monoxide alarms should you have in your home? The National Fire Protection Association (NFPA) recommends that you should have a carbon monoxide alarm centrally located outside of each separate sleeping area in the immediate vicinity of the bedroom. For added protection, you should have additional carbon monoxide alarms in each separate bedroom and on every level of your house, including the basement. Some states now require that you have a carbon monoxide alarm in each bedroom of the house. If you install only one carbon monoxide alarm in your home, place it near or in your bedroom.
What is the proper way to do a carbon monoxide alarm test?
The following procedure is the proper way to do a carbon monoxide alarm test - Press and hold the Test Button on the front of the alarm until the alarm sounds. Be sure you hold the button down long enough; it can take up to 20 seconds for the alarm to respond to the test.
Is it a false alarm when my carbon monoxide alarm sounds and there doesn't seem to be a problem?
A carbon monoxide alarm false alarm should not occur if your alarm is in working order. Remember, carbon monoxide is an odorless, colorless gas. If your carbon monoxide alarm went off, it detected potentially harmful amounts of carbon monoxide. After the professionals have evaluated the situation, make sure no one has any symptoms of carbon monoxide poisoning.

Here are a few situations that may cause a carbon monoxide alarm "false alarm:"
  • The carbon monoxide alarm needs to be relocated. Carbon monoxide alarms should be located 15-20 feet away from all fossil fuel burning sources like furnaces and stoves. Alarms should be located 10 feet away from sources of humidity like showers.
  • Fossil fuel burning appliances may not be burning fuel completely. Check pilot lights/flames for blue color. Appearance of yellow or orange flames indicates incomplete combustion-a source of carbon monoxide.
Will carbon monoxide alarms detect explosive gas leaks?
No, a single function carbon monoxide alarm reacts to carbon monoxide only. To detect explosive gas, you need an explosive gas detector. Different kinds of explosive gas can be detected and it is recommended that any home that utilizes natural or propane gas have at least one explosive gas leak detector.

Plug-In CO Alarm with Battery Backup & Backlit Digital Display

The First Alert CO615 Dual-Power Carbon Monoxide Plug-In Alarm alerts you to dangerous carbon monoxide. This carbon monoxide detector operates on a dual-power system with battery backup for continuous monitoring, even in the event of a power outage. The backlit digital screen tells you at a glance what the carbon monoxide and power levels are. The CO monitor also features a convenient test and silence button and an end-of-life timer that lets you know when it is time to replace the unit.

Dual-Power Design for Continuous Monitoring

The carbon monoxide detector is designed to work with any standard outlet, and it features battery backup to allow continuous monitoring of carbon monoxide levels in the event of a power outage. Simply place two AA batteries in the battery compartment, and if the power goes out, the backup will activate, monitoring carbon monoxide levels even during storms. A low-battery indicator light and alarm will sound when the batteries need to be replaced or are removed.

Advanced Electrochemical Sensor

The First Alert Dual-Power Carbon Monoxide Plug-In Alarm uses an advanced electrochemical sensor to detect elevated CO levels. This sensor offers increased sensitivity to carbon monoxide even at low levels. In the event of a false alarm, the silence/test button can be used to turn off the CO detector.

Backlit Digital Display is Easy to Read

The large backlit display on the carbon monoxide detector clearly shows the level of carbon monoxide in the room, as well as the power level of the backup batteries. The display is readable even in the dark and casts a calm blue light, making it ideal for use in a bedroom. The 6-foot power cord makes it easy to mount the CO monitor on a wall or position it on a shelf or nightstand.

Where To Place Carbon Monoxide Alarms:

One on every level of the home and one in each sleeping area.

First Alert Carbon Monoxide Alarm CO615

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