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.
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
Stress-free
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
Packages for every lifestyle
Whether you’re single, a parent, or a pet parent, we have a security package that fits your life.
Safe and Secure Starts Here
Call 800.857.5028 to get started or fill out the form now to get a free quote.
- No Cost or Obligation
- Consult with a Security Expert
- Free On-site Estimates Available