Are you trying to find carbon monoxide detector among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling carbon monoxide detector on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 12 hours of research and did 24 carbon monoxide detector tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best carbon monoxide detector you can buy today
- Electrochemical sensor technology detects CO gas
- Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included)
- Conveniently designed & portable: simple to install on a wall of your home or place on a tabletop
- Green LED indicates power to the carbon monoxide detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
- Event Memory records the last time carbon monoxide was detected or when the unit was last tested
- ◎The carbon monoxide detector alarm continuous monitoring of Carbon Monoxide levels to keep your family safe. Operated by 2 * 1.5V AAA batteries (not included),portable and easy installation,no need for socket, not affected by power failure, can be installed anywhere!
- ◎Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.To ensure complete protection make sure to place one on each level of your home and in each bedroom.
- ◎Simple to use,with a single test/reset button,when a dangerous level of carbon monoxide is detected the red LED will flashes and a loud alarm pattern will sound--Loud 85 decibel alarm with LED Flash.
- ◎Alarm standard: 30ppm，the display displays the concentration;50ppm, alert within 60 to 90 minutes; 100ppm, alert within 3 minutes; 300ppm, alert within 3 minutes. Note: This product can only detect carbon monoxide and is not designed to detect smoke, fire, or any other gas.
- ◎All CO alarms are rigorously tested.Please replace the battery promptly to ensure that the product is in working condition!We promise and guarantee the customer service by providing a response to any questions, concerns, and inquiries within 24 hours.
- Easy Installation - simply plug-in to a standard, 120V outlet in your home
- 2-AA battery backup provides protection during a power outage
- 85-decibel alarm announces when carbon monoxide is detected
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
- Test-Hush Button makes testing the detector or silencing false alarms easy
- End of life chirp notifies you when the alarm needs to be replaced
- UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.
- Keep your family safe with this easy to use, battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
- Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.The alarm sequence should last 5-6 seconds. If it does not alarm, make sure fresh batteries are correctly installed, and test it again. If the unit still does not alarm, replace it immediately
- A loud 85 decibel alarm sounds when CO levels reach dangerous , Battery Replaceable - Yes
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- 5-year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety
- All first alert CO alarms are rigorously tested to meet UL standards
- First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
- Electrochemical sensor technology detects CO gas
- Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included)
- Conveniently designed & portable: simple to install on a wall of your home or place on a tabletop
- Green LED indicates power to the smoke detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
- Test-Hush button makes it easy to test the carbon monoxide detector or temporarily silence the low battery chirp warning
- UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.
- The carbon monoxide detector alarm continuous monitoring of Carbon Monoxide levels to keep your family safe. Operated by 3 * 1.5V AA batteries (not included),portable and easy installation,no need for socket, not affected by power failure, can be installed anywhere!
- Fast and Accurate Detection：The carbon monoxide detector is built-in advanced electrochemical CO sensor that provides precision alarms for fast and accurate detection of carbon monoxide levels. When the carbon monoxide concentration exceeds the specified value, an alarm warning of more than 85 decibels will be issued. To ensure complete protection, be sure to place one on every floor of your home and in every bedroom.
- LCD Digital Display and LED Indicators：Simple to use,with a single test/reset button,when a dangerous level of carbon monoxide is detected the red LED will flashes and a loud alarm pattern will sound--Loud 85 decibel alarm with LED Flash.
- Portable and Easy to Install：The carbon monoxide detector is easy to install without rewiring. It can be mounted on wall or ceiling（Please refer to the instruction manual for the specific location of the carbon monoxide sensor installation）, This CO detector includes mounting screws and anchors,. It is an ideal carbon monoxide quotation device for home use
- Alarm standard: 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly.
- Package Includes： 1×carbon monoxide detector,1×manual, 2 screws, 2 anchor plugs.If you meet any issues with Carbon Monoxide Detector, just contact us via or Amazon question message, We will consistently spare no effort to provide good service and experience for every customers!
- Carbon monoxide alarm installed battery status(not included battery): When the carbon monoxide detector is installed with a battery, the product will emit a "beep" alarm sound and then enter the standby state. During the standby process, the green light will flash once every 30 seconds, which means the product is normal Work
- Keep your family safe with this easy to use plug in carbon monoxide alarm; It works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
- Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
- Simple to use, with a single test/silence button; a loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels. Low battery signal mute, quiets low battery signal for upto 8 hours
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- 7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety
- All first alert CO alarms are rigorously tested to meet UL standards. Item length is 3.4 inches , item width is 1.38 inches and item height is 5 inches
- Loud 85-decibel alarm sounds when CO levels are elevated
- Carbon Monoxide Detector: TopTes CT-300 is an ideal portable CO tester to help you detect CO gas concentrations timely and accurately, reducing the risk of CO poisoning and protecting your life. It is a must-have tool for homeowners, drivers, campers, DIY-ers, tourists, etc
- Swift & Precise Measurement: The CT-300, with an advanced electrochemical sensor head, swiftly detects CO levels from 0-5000 ppm. Its sensitivity ensures early warnings, allowing timely actions to prevent health risks. Accurate readings empower quick decisions, promoting safety and well-being. Versatile and portable, it guards against CO in various settings, ensuring peace of mind
- Visual & Audible Alarm: The travel CO detector uses both visual and audible alarms. When the concentration of CO reaches the alarm threshold, the screen changes color and emits an urgent alarm sound to alert you of the presence of CO gas in your surroundings, allowing you to promptly detect the danger, protect yourself
- User-Friendly Functions: With high-quality ABS and PC material and anti-slip edge texture, CT-300 is durable and portable; It can be used for 40 hours with new batteries; Low-power indicator will remind you of time to change batteries; It will automatically switch off when not in operation or when no gas is detected within 10 minutes to save power; Backlit screen for easy viewing, adaptable to dim environments
- What You Get: You will receive CT-300 Carbon Monoxide Detector, Protective Case, AAA Batteries, User Manual
- 3 In 1 Carbon Monoxide Detectors - Equipped with 3 major air indicators of Carbon Monoxide(0 to 1000PPM), Temperature(1 to 176 ℉), and Humidity(0% to 95%RH) to protect your family.
- Accuracy & Durability - This Carbon Monoxide Detector use Imported Electrochemical Sensor, high reliability, more responsive, when the CO gas concentration reaches the alarm level(>150ppm), the Voice and SLight alarm will work.
- Easy to Use - Plug and play, saving installation time.
- Compact Design - Portable CO Gas Detector is small and light, can be carry to anywhere easily, Big color LCD display, The high-definition screen makes it easy to read even at night.
- Protect Your Home - Carbon monoxide alarm are suitable for bedroom, kitchen, living room, bathroom, apartment, garage, office, restaurant, hotel, RV etc.
- Worry-Free After Service - We are willing to provide you with unconditional returns and exchanges within 180 days. If you have any questions, please contact us by email, we will try our best to help you solve the problem.
- Mini Size:2.36*2.36*1.14in,Even Smaller than our hands palm,Carbon Monoxide Alarm CO Alarm Detector with Real-Time CO Digital Reading Display and Sound Alarm For Home ,Travel.
- Features an advanced electrochemical carbon monoxide detector alarm continuously monitors carbon monoxide levels quickly and accurately to ensure the safety of you and your family.No matter where the detector is placed in the room.To ensure complete protection make sure to place one on each level of your home and in each bedroom.
- High Sensitivity - When the carbon monoxide detector detects that the concentration of carbon monoxide reaches a dangerous level, the LCD display will show the current value of the gas concentration, and an alarm sound greater than 85 decibels with red LED Flash will sound to protect the family from carbon monoxide.
- Simple to use - with a single test/reset button,Comes with mounting accessories,just drill holes in the right places ,and done，--Loud 85 decibel alarm with LED Flash.Operated by 2 * 1.5V AAA batteries (not included),portable and easy to install, no outlet required, immune to power failure,can be installed anywhere!
- Alarm standard- 50ppm, alert within 60 to 90 minutes ; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. (Note: When you test the detector, please do not use gas blow the hole directly.)
- High Quality Assurance: Our Carbon Monoxide alarms have been rigorously tested, and complies with UL standards.Package: 1 x Carbon Monoxide Alarm ,2 x Screws,1 x User Manual, If you have any questions about our CO detectors, please feel free to contact us.
- 【High Sensitive】Using electrochemical sensors, with more reliability, stability, responsiveness, to avoid the possibility of false readings and false alarms.
- 【Light and Sound Alarm Warning】When a dangerous level of carbon monoxide is detected the red LED will flash and the alarm pattern will sound 85-decibel alarm to protect your family's life and property
- 【LCD Displayer】Carbon monoxide alarm detector With 3 digits LCD displayer is optional,'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCD to indicate is low battery and need to replacement. '0~30ppm' on the LCD is normal phenomenon.
- 【Alarm Standard】50ppm - Alarm within 60 to 90 minutes; 100ppm - Alarm within 10 to 40 minutes; ≥200ppm - Alarm within 3 minutes.
- 【Easy Installation And Widely Used】Carbon monoxide alarm coming with mounting accessories, just drill holes in appropriate positions, and done; Used for bedroom, kitchen, living room and any other area with a risk of fire danger can be installed a smoke detector and CO alarm.
- Flexible Installation: Wall-mounted or free-standing; easy to take while traveling
- High Accuracy & Reliability: Advanced Figaro electrochemical CO sensor; 5-year replaceable battery
- Instant Alert: An early warning will be delivered through a loud 85-decibel alarm
- Informative LCD: Displays real-time CO levels and remembers dangerous CO levels since the last preset
- Intuitive LED: 3-colored LED indicator flashes red, green, or yellow to indicate an alarm, power, or a fault
- 【Digital Display】: It has a digital display for showing readings of carbon monoxide levels between 0-999ppm for actual concentration by LCD display.Visible LCD with 3 digits.When 'Err' on the LCD to indicate the device is Fault（Yellow LED light alarm continuously sound loudly),When'Lb' on the LCD it is a low-battery indicator to remind you of when to replace the batteries. When'0-999ppm' for showing CO concentration. The Blue backlit light turns on when CO reading higher than 40ppm.
- 【Good sensor】: which makes it reliable and reliable performance electrochemical CO sensor, it can detect CO gas leak quickly to protect you from the hazards.
- 🔊【85dB Sound Alarm】: It has an 85dB sound alarm for alerting people in case of high levels of carbon monoxide.When dangerous co level is detected the red light indictor flashes,the buzzer constant beeps with more then 85dB sound alarm loudly to protect home,family effectively anytime.
- 🏠【Widely Use&Easy Installation】: It is suitable for home,office,garages,and other residential areas where carbon monoxide many be present.The CO alarm is powered by Two AA batteries (Not included) and features a convenient "TEST/HUSH'Button. Be easy to install,comes with mounting accessories,just drill holes in the right place,Test it and done well. The unit is your home or office safety plan and keep your family safe from the risks of carbon monoxide.
- 🔋【Enery Saving and Services Support】:The Carbon Monoxide Detector features an advanced electrochemical Sensor. Which Operated by 2X1.5V AAA batteries powered Carbon Monoxide Detector(Batteries not included in the package). The Materical is ABS. What is included inside : 1X Co alarm + 2 X screws+ 1 X user manual. Thanks to choose our product,if you have any problems,please donot hesitate to connect with us anytime,we will reply you within 24 hours.
- High Accuracy and Reliability:Shyeeh carbon monoxide detectors has a built-in advanced electrochemical sensor that detects dangerous CO levels more accurately and alarm more quickly.
- Alarm Criteria:Safeguard your home with Shyeeh co detector specific alarm thresholds: 50ppm (alert within 60-90 mins), 100ppm (within 10-40 mins), and ≥300ppm (within 3 mins). In case of danger, the carbon-monoxide detectors gives an alarm of no less than 85dB to 215-430ft²(20-40m²) to alert you.
- Bttery Pwered,Easy to Istall:You can mount carbon monoxide alarm on the wall or ceiling with screws (Include). Powered by 3 * 1.5V AA batteries (Not Included), no socket required, not affected by power outages, and can continuously monitor carbon monoxide levels to ensure your family's safety.
- Real-time Data LCD display:The co monitor provides 24-hour real-time monitoring, making it easy to read the level of carbon monoxide in your surroundings and protect your family from an invisible threat.
- Home Protection:According to data analysed in the United States, a home fire occurs every 38 seconds. The earlier the danger is recognised, the risk of death is reduced by 50%. The carbon monoxide detectors monitor will protect your home from the dangers of CO and eliminate the need to pay high detection fees for suspected carbon monoxide leaks.
![GRAY RHINO Carbon Monoxide Detectors Plug in Wall, Portable Carbon Monoxide Detector with Alarm, [3-in-1] Travel CO Detector | Humidity |Temperature Meter, Mini Co Gas Monitor Home Hotel Trip Camp RV](https://m.media-amazon.com/images/I/41GK5DSQVUL.jpg "The 8 Best carbon monoxide detector of %currentyear% 78")
- 【Plug and Play 3-in-1 Design】 Gray Rhino carbon-monoxide detector combined co detector, room thermometer and humidity meter, display and monitoring co concentration, temperature, humidity in real-time. Also, this plug in carbon monoxide detector works with any standard outlet, available for 110-220V volt. It is perfect for indoor, home house, living room with stove, wood fireplace, kitchen, bedroom, bathroom, garage, cellar, hotel.
- 【UL Test and Electrochemical Sensor 】All Gray Rhino carbon monoxide Alarms are with UL standard test. Safe is the first, meanwhile, we are keeping to improve those co detectors. In this Plug-in Co detector, we apply the advance electrochemical sensor, it will produce electricity immediately when touch carbon monoxide, which means it will response faster, more accuracy, and will more difficult be infected by other gas than tradition sensor.
- 【2.1" HD Multi-functional Co Alarm】Gray Rhino travel carbon monoxide detector build in HD 2.1" IPS display, and high accuracy co sensor, which refreshes each 2s, to detect surrounding co value quickly, detecting range is 0-999PPM, ±5PPM. At same time, it could be used as indoor thermometer, the temperature range is 14°F ~ 122°F,±5%. Also it could be used as hygrometer, the humidity range is 0 ~ 95%RH,±5% RH. This multifunctional carbon monoxide detector is very convenient for traveling and hotel room.
- 【Easy to Use】1. Plug the co detector in socket, it will turn on. 2. Short press "O" to test alarm, if it beeps 3times, the green indicator light flashes 3times, then everything is ok. 3. Long press "O", change °F to ℃. 4. Press "H", to adjust screen brightness, there is 3 brightness modes: High-Low-Turn off backlight. 5. Press "D" to switch alarm (85dB) on/off. The beep will be activated when co value over 50PPM., it can be shut down by pressing "D". But when it over 200PPM, the alarm always issued automatically, can't be shut down by manual, until it less than 200PPM
- 【Premium Quality and Shopping Confidence 】Gray Rhino design this portable co detector plug in, in technical, we keep its versatility, high sensitivity, easy to read, eco - friendly. For outlook, we make it to be modern, compact and portable, with small pocket size, let it can be more suitable for normal family, apartment. Also, this product is guaranteed for 365 days from the time of purchase. If you are not satisfied with the product or have any questions, please feel free to contact us, we will reply within 24 hours.
- Easy Installation - simply plug-in to a standard, 120V outlet in your home
- 9-volt battery backup provides protection during a power outage
- Digital LED display shows the level of carbon monoxide the CO alarm is sensing or states "GAS" when explosive gas is present
- 85-decibel alarm announces when carbon monoxide or explosive gas is detected
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
- 【Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector】: Combines both photoelectric smoke and carbon monoxide detection in one device.
- 【Digital Display】: Shows the presence of smoke and carbon monoxide levels with an easy to read, digital display.
- 【Battery-Operated】: Powered by a battery rather than being connected to an electrical source. making it easy to install and maintain.
- 【Smoke Carbon Monoxide Alarm Detector】: This alarm detector can detect both smoke and carbon monoxide, providing early warning for potential dangers.
- 【Checking the Detector Working Status：】After installing the batteries, the unit will automatically turn on and when you press the "Test" button, the unit will sound an alarm for a few seconds to indicate that it is working and then the LCD display will remain stationary. The green LED will flash every 60 seconds or so to indicate that the unit is operating normally.
- Electrochemical sensor technology detects CO gas & sounds an 85-decibel alarm
- Easy installation, no wiring needed: operates on a 10-year lithium battery, so it never needs replacing, plus detects during power failure
- Digital display updates every 15 seconds & displays the level of CO presence
- Conveniently designed & portable: simple to install on a wall of your home or place on a tabletop
- 3 LEDs indicate: green = normal operation, red = carbon monoxide presence (sounded with an 85-decibel alarm), & amber = replace the detector
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
- Test-Hush button makes it easy to test the carbon monoxide detector or temporarily silence the low battery chirp warning
- UL Certified, 10-year limited manufacturer warranty
- HIGHEST QUALITY, most accurate electrochemical co sensor technology
- CONVENIENT, end of life chirping signal
- HELPFUL, 2 silence features that silence both alarm and low-battery chirp
- FEATURES, 9-Volt Battery and all necessary mounting hardware
- Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
- Electrochemical CO Sensor is the most accurate technology available
- Two Silence Features Silence Low Battery Chirp For up to 8 Hours
- End of Life Signal
- Tamper Resistant Locking Pin Locks Alarm Cover to Prevent Removal of Battery
- 9V Battery Included
- Easy Installation - simply plug-in to a standard, 120V outlet in your home
- 9-volt battery backup provides protection during a power outage
- Digital LED display shows the level of carbon monoxide the CO alarm is sensing
- 85-decibel alarm announces when carbon monoxide is detected
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
- Test-Hush Button makes testing the detector or silencing false alarms easy
- Extension cord (included) allows for placement on a table or shelf
- UL Listed with a 10-year limited warranty which begins when the alarm is powered on, if that date is unknown it should be assumed the alarm should be replaced.
How to choose a good carbon monoxide detector
Does the idea of finding a fantastic carbon monoxide detector make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in carbon monoxide detector. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top carbon monoxide detector products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top carbon monoxide detector on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top carbon monoxide detector brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top carbon monoxide detector based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the carbon monoxide detector were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good carbon monoxide detector, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your carbon monoxide detector.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting carbon monoxide detector for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our carbon monoxide detector. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what carbon monoxide detector should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on carbon monoxide detector.
