The 7 Best ionization Detectors (2023 reviews)

We consider a ionization detector to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: First Alert CO Detector READ REVIEW

Best For Water heater: Buy: Xsense ionization Detector READ REVIEW

Best For Smoke: Buy: Google ionization Detector READ REVIEW

Best For locating propane Leak: Buy: Klein tools ionization Detector READ REVIEW

Best For living areas: Buy: Kidde ionization Detector READ REVIEW

Best Quality Product: Buy: Xsense One Alarm READ REVIEW

Best premium: Buy: First Alert ionization Detector READ REVIEW

Best Overall: First Alert CO Detector

Buy on Amazon

We know from years of feedback from readers, customers and amazon sellers, what most people want in a detector. The first alert co detector is exactly that - it's a simple detector that hits all the right notes. This smoke and fire alarm includes a power led and alarm indicator, end of life signal and single test/silence button so you can test your alarm regularly. It features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room. It features an ionization sensor for smoke detection, which is effective in recognizing smoke from flaming fires such as paper and grease fires.

This monoxide detector is compact, light, easy to install, battery operated, well-priced. They're very nice looking and the temperature reading appears to be accurate. This means you do NOT need to install alarms near the floor. It provides a full 10 years of protection without having to change the batteries.

• Installed really easy with provided hardware
• An easy and reasonable way to keep your home safe
• Works really well and is unobtrusive on dresser
• Easy instructions, setup and since battery operated, can be moved as needed

Best For Water heater: Xsense ionization Detector

Buy on Amazon

Not everyone likes to purchase detector for their daily usage, but the xsense ionization detector would be an anomoly. These are fantastic CO/Fire detectors. The CO monitor is sampling room air quality over a selected period of time. The linking of the RF signal to each group is fast and simple. These units can relay signals to each other, so you can install them like a daisy chain which means the radio signals don't have to travel from a central point to the most distant units. It has built-in co2 with a LED screen for reading as well.

The fire and co alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage. It is compatible with remote RC. These detectors are easy to install, are interconnected so if one goes off they all do, and detect both smoke and carbon monoxide. It takes minutes to have this installed and ready to use.

• Very easy to install and looks nice
• Comes with the cheapest screws possible
• Nice smoke alarm with co detection

Best For Smoke: Google ionization Detector

Buy on Amazon

Compared with other detector in this category, the google ionization detector has a convenient design. The Nest Protect is a Wi-Fi capable smoke and carbon Dioxide alarm that makes use of SplitSpectrum smoke sensors to provide best-in class smoke detection for your home. It is composed of a carbon atom covalently double bonded to two oxygen atoms. It is easy to silence alarms from cooking smoke, steam from a shower, etc. It is designed to detect smoke and carbon monoxide in a residential environment. It can provide you instant notifications via the Nest app on your mobile phone even when you're away.

It installs fast, it's solid, feels & looks high quality and links to the home wifi fast and simply because it is working correctly. The quick green glow means all your nest protects have tested themselves and the batteries are good. It even includes a built-in microphone so it can verify the speaker and siren are working correctly.

• Initial setup is also very simple, especially for devices after the first
• Detector with the wired nest protect and it is super easy to do
• Allows all nest detectors to be interconnected without having to be hard-wired

Best For locating propane Leak: Klein tools ionization Detector

Buy on Amazon

If you often find yourself confused about appropriate and satisfactory detector, klein tools ionization detector should be your first option for buying. It is designed to locate leaks capable of creating a combustible atmosphere. It has a low end of 50 ppm. The rubber is intact, the lines are scored and have countless leaks. It should detect all combustible gasses.

It includes a detector, 4xaaa batteries, instruction manual and storage pouch. It can be used anywhere there is gas to sniff out. These have to keep in mind there's some lag time and hysteresis, so leave it in each spot you want to test for at least a few seconds to get a consistent reading. It is easy to use and much cheaper than a professional leak detector.

• Lots of false readings so you cannot pinpoint any leaks
• One of the new comers and featured product

Best For living areas: Kidde ionization Detector

Buy on Amazon

Best part: kidde ionization detector costs comparatively low and it is available to ship in 24 hours. This thing mounts very easily pretty straightforward just like any other smoke detector. It only takes a 9v battery. All of the hardware is included to mount them, and the battery automatically connects for the first time when you attach the smoke detector to its mount. It eliminates worry about battery removal or unauthorized deactivation of alarm.

This is a sealed unit, and there is no replaceable battery inside. It is intended to be mounted on a wall. It is battery powered and stand alone. It might keep you from going to their house in the middle of the night.

• Good low-cost smoke detector with anti-tamper features
• Lot of satisfied buyers

Best Quality Product: Xsense One Alarm

Buy on Amazon

Best part: xsense one alarm costs comparatively low and it is available to ship in 24 hours. This set allows you to place the mini detectors throughout your home. It is easy to install, perfect size and louder than regular smoke detectors that sync together. When the alarm goes off, the LED indicator will flash red once every second and the device will beep quickly. A low-battery notification reminds you to replace the battery, ensuring continuous protection of your family.

The battery these use is a 3 V CR123A lithium battery. They are interconnected, so a trigger anywhere in the house will notify everyone in the house. This is a good way to keep your home and family safe. These are super easy to install, and come with all the hardware required.

• Success and the chirp is loud and abnoxious
• Complete fire protection for the entire house in one box
• Good investment for long term

Best premium: First Alert ionization Detector

Buy on Amazon

The detector is a must have addition for your daily purpose. Carbon monoxide alarms can be placed anywhere, not just the ceiling or high on a wall. It is equipped with both a photoelectric and ionization sensor to quickly detect both fast burning, and smoldering fires, which alerts you with an alarm. The battery backup means constant monitoring, even if there's a power failure. It includes battery backup for power outages.

• Good investment for long term
• Good brand reputation