Best carbon monoxide detector

Most people fully understand the importance of having properly fitted and functioning carbon monoxide alarms in their home- these simple measures can keep you and your family safe against things which you otherwise may not even detect.

Carbon monoxide (or CO, its chemical symbol) has no taste, smell or color, but when inhaled into your body it enters the blood stream and prevents the absorption of oxygen. This can in turn lead to illness or even death. It is most commonly found as a byproduct of the burning of fossil fuels in poorly ventilated places, meaning that many homes- particularly those with fireplaces- are at risk. Installing a high quality CO alarm therefore seems to be a small and necessary step to take in order to keep you and your loved ones healthy.

So what should you be looking for in a CO detector? Here, we will compare some of the best carbon monoxide detectors that are currently on the market, in order to help you make the best decision possible.


Kidde KN-COSM-B Battery-Operated Combination Carbon Monoxide and Smoke AlarmThis detector also comes in at the lower end of the price range, but boasts some impressive features and functionality that contrast with its low cost. This model is a battery-operated combination smoke and carbon monoxide detector, and rather than relying solely on horns or beeps, it talks- telling you exactly what it is detecting; it will issue separate alerts should it detect either smoke or CO, and will also inform you when its battery is running low.

>> Kidde KN-COSM-B Battery-Operated Combination Carbon Monoxide and Smoke Talking Alarm

Furthermore, it will also alert you when it is reaching the end of its seven year lifespan. Installing and mounting the device is straightforward, with a mounting bracket included with the detector. It’s operating system is also very simple to use, with one touch button to both test the alarm and to hush any alerts. It will also recall any previous incidents even after it has been tested or reset. The Kidde’s low cost and impressive features mark it out as a strong option in the CO detector market.


Nest Protect

Nest Protect Smoke and Carbon Monoxide detectorAn up-market option, the Nest Protect may be more expensive, but its performance and features are enviable to say the least. This high tech device doesn’t even use buttons for testing or deactivation- a mere wave of your hand and motion sensors will deactivate the alarm.

>> Nest Protect Smoke + Carbon Monoxide Detector

Even when you are not at home, it warns you if anything is wrong by sending a message to your phone in the case of the alarm going off. It detects both carbon monoxide and smoke, and will even issue you a friendly alert if some burnt toast or the like is threatening to set off the alarm. The Nest Protect is certainly a premium product, but its excellent, reliable performance and pleasing design more than make up for its cost, and make it the one to beat amongst carbon monoxide detectors.


First Alert CO615 Detector

First Alert CO615 Carbon Monoxide Plug-In AlarmThis is an entry level detector, but one that still performs admirably despite its low cost. It is a simple plug-in device with to-the-point controls and a back-up battery power supply for emergencies.

>> First Alert CO615 Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

Its digital display may not be the biggest or brightest around, but its electrochemical CO sensor is among the most reliable and accurate detection technology available today.

The unit has a one touch button that allows you to both silence and test the alarm system, while there is an audio/visual warning signal for when the battery supply is running low. Its 85 decibel horn will ensure that you are alerted to any leaks or detections, no matter where you are in your home. The First Alert is a more basic model in some ways, but it is proven to nonetheless be highly effective and reliable.


Universal Security Instruments MCND401B M Series

Universal Security Instruments MCND401B M Series Plug-In Carbon Monoxide and Natural Gas AlarmThis model is sturdy and mid-priced, exemplary of what you should expect from most quality carbon monoxide detectors. It runs off mains power, with a back-up battery supply which you can activate in the event of a power outage. It is also extremely easy to install- plugging straight into an standard power outlet.

>> Universal Security Instruments M Series Plug-In Carbon Monoxide and Natural Gas Alarm, Model # MCND401B

It also features a large LED display so you can easily check its status, while operating the device is very easy thanks to its simple design and clear indicator buttons. Its microprocessor-controlled sensors are capable of detecting both CO and natural gas. The M Series’s relatively modest price tag and highly portable nature make it ideal for those who may need multiple detectors throughout their home. Overall it is a versatile and intuitive piece of technology.

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