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Guardian Technologies Manuals & User Guides

Guardian Technologies offers home environment solutions including GermGuardian air purifiers, PureGuardian humidifiers, and UV-C sanitizers to improve indoor air quality.

Tip: include the full model number printed on your Guardian Technologies label for the best match.

About Guardian Technologies manuals on Manuals.plus

Guardian Technologies is a leading manufacturer of home environment products designed to create healthier and more comfortable living spaces. Best known for their GermGuardian air purifiers, the company utilizes True HEPA filtration and UV-C light technology to capture allergens, kill airborne germs, and reduce odors. Their product lineup also includes PureGuardian ultrasonic humidifiers, dehumidifiers, and essential oil diffusers.

Headquartered in Euclid, Ohio, Guardian Technologies focuses on innovation and user-friendly designs that make maintaining indoor air quality simple and effective. Now a part of Lasko Products, the brand continues to provide reliable solutions for allergen control and air sanitization in homes and offices.

Guardian Technologies manuals

Latest manuals from manuals+ curated for this brand.

Guardian V3 Beam Smart Controller App User Guide

January 23, 2026
Guardian V3 Beam Smart Controller App Product Information Model: V3 Connectivity: 2.4GHz networks Product Usage Instructions Installation of the beam Smart Controller Installation of the Smart Controller requires no special…

Guardian Medi Watch Slim 4G Personal Alarm User Guide

January 22, 2026
Guardian Medi Watch Slim 4G Personal Alarm Specifications Product Name: Guardian Personal Alarms Model: MediWatch SlimCharging: USB-C cable Testing Frequency: Recommended every 1-3 months Features: SOS Button, Fall Detection Ready…

GUARDIAN R454B Ductless Heat Pumps Instruction Manual

September 11, 2025
GUARDIAN R454B Ductless Heat Pumps Specifications Guardian(R454B) Equipment: Guardian single phase 208/230V HP Heat Pump Units, 24k to 48k Outdoor Unit JHE Multi-Position Air Handler Unit Models: Outdoor Unit: UPC24CN23STG1,…

Guardian GU01 Ultrasonic Phone Listening Machine User Manual

August 29, 2025
Guardian GU01 Ultrasonic Phone Listening Machine Specifications Product Name: Guardian Ultrasonic Type: Ultrasonic Microphone Blocker Transmitters: 28 ultrasonic transmitters Frequency Range: 23 kHz - 27 kHz Connectivity: Offline operation, no…

Guardian AC5350 Large Room Air Purifier User Manual

July 31, 2025
Guardian AC5350 Large Room Air Purifier User Manual guardiantechnologies.com https://guardiantechnologies.com/products/germguardian-flt5000-hepa-genuine-replacement-filter-c READ AND SAVE THESE INSTRUCTIONS WARNINGS Failure to comply with the warnings listed below may result in electric shock or…

GermGuardian AC4825 Large Room Air Purifier User Manual

User Manual
This comprehensive user manual provides essential information for operating and maintaining your GermGuardian AC4825 air purifier. Learn about its features, setup, filter and UV-C bulb replacement, troubleshooting common issues, and…

GermGuardian AC3000 Intelligent Air Purifier User Manual

User Manual
User manual for the GermGuardian AC3000 Intelligent Air Purifier with HEPA and UV-C technology. Provides detailed instructions on setup, operation, safety precautions, maintenance, filter replacement, UV-C bulb replacement, troubleshooting, and…

Guardian Technologies support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I reset the filter change light on my air purifier?

    After replacing the filter, press and hold the reset button (often the UV or Timer button, depending on the model) for 3 to 5 seconds until the light turns off or resets.

  • Can I wash the HEPA filter?

    No, the combination HEPA filters are not washable. You may gently vacuum the outer charcoal layer to remove dust, but the filter itself must be replaced when dirty.

  • How often should I replace the UV-C bulb?

    The UV-C bulb typically needs to be replaced every 10 to 12 months, depending on usage. A flashing blue light usually indicates it is time for a replacement.

  • Where can I order genuine replacement parts?

    Genuine replacement filters and bulbs can be purchased directly from the Guardian Technologies website to ensure proper fit and performance.

  • What do I do if my humidifier has a flashing water indicator?

    A blinking water indicator usually means the tank is low on water. Turn off the unit, refill the tank, and restart. If the issue persists, ensure the tank is seated correctly.