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Frequently Asked Questions

Find quick answers to some of the questions Guardian owners ask most often.

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How often should I clean Guardian?+
Guardian requires very little maintenance. Periodically wipe the exterior with a soft, dry cloth and keep the air intake and outlet unobstructed.
Guardian Care Guide
How do I know if a sensor needs replacing?+
Guardian continuously monitors the health of installed sensor capsules. If sensor health decreases over time, replacement may eventually be recommended.
Sensor Replacement Guide
Can I move Guardian to another room?+
Yes. If Guardian is permanently moved to a different environment, restarting the VOC and CO₂ baselines helps establish accurate readings for the new location.
Learn About Moving Guardian
How do firmware updates work?+
Firmware updates deliver performance improvements, new features, and reliability enhancements. Keeping Guardian connected to the internet helps ensure you receive the latest improvements.
Firmware Update Guide
Where can I download the User Guide?+
All Guardian documentation is available within the Downloads section below.
Browse Downloads
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