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Carbon Monoxide Detector Image 1
Carbon Monoxide Detector Image 1
Carbon Monoxide Detector Image 1

Carbon Monoxide Detector

Carbon Monoxide Detector

  • Professionally monitored 24/7
  • Visual and audio alarm
  • Test button
  • Built-in tamper

Our monitored carbon monoxide detectors help prevent you and your family from being exposed to invisible, odorless, and potentially deadly carbon monoxide (CO) gas.

This device comes with PowerG wireless intrusion technology, providing more secure encryption, longer range and reliability, and better battery life.

Carbon monoxide alarm system, monitored 24/7

Feel safer knowing Guardian is always monitoring for CO — you don’t have to be home or even have your security system armed. If your system goes offline for any reason, we’ll still be looking out.

Image of Guardian Protection employee in Monitoring Center

Don't worry about CO device tampering

Carbon monoxide monitors have a built-in tamper sensor, giving you even more confidence your device is working.

Additional Benefits


Never wonder if your device is functioning.

24/7 monitoring

Monitored during the day and even while you're asleep.

Mobile alerts

Your Guardian App will let you know if there's a problem.

Protect your pets

Know your pets are breathing clean air while you're away.

Frequently asked questions

A professionally installed and monitored carbon monoxide (CO) detector detects abnormally high levels of deadly CO within range of the detector. If CO is detected, a signal will be sent to our monitoring team.
Absolutely! We encourage all of our customers to help protect their homes and loved ones from dangerous carbon monoxide exposure with monitored CO detectors. The great news is that professional CO monitoring is included with every service plan, so if you’re already a Guardian customer, all you need to do is to add one or more CO detectors to your system. Just give us a call at 1.800.PROTECT (1.800.776.8328) and we’ll take care of the rest!
Carbon monoxide (CO) is an invisible, odorless, and deadly gas that can come from any combustible appliance.
A carbon monoxide detector is 4.9 in. x 1.9 in.

Still have questions?

Call 800.857.5028

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