- Home
- Products
- Home Appliances
- GermGuardian

GermGuardian Air Purifier for Home with HEPA Pure Filter, for Wildfire Smoke, Pet Dander, Pollen, Odors, Large Rooms Up To 870 Sq. Ft., Removes 99.97% Pollutants, UV-C Light, 28", AC5350B, Black
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
A 28-inch tower air purifier with True HEPA filtration (99.97% at 0.1 microns), UV-C light, and activated charcoal, effective for 180 sq ft rooms with 4.8 air changes per hour.
This 11.1-pound air purifier is a situational fit for medium rooms up to 180 sq ft, where its True HEPA filter and UV-C light can effectively reduce allergens and germs with 4.8 air changes per hour. Its 58-watt power consumption and noise levels on higher settings might be a drawback for continuous use in larger spaces.
If you need faster air changes for rooms larger than 180 sq ft, look for models with a higher CADR rating (Clean Air Delivery Rate) specifically for smoke, dust, and pollen.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- True HEPA filter captures 99.97% of particles as small as 0.1 microns, including dust, pollen, and pet dander.
- UV-C light technology helps reduce airborne viruses, bacteria, and mold spores.
- Activated charcoal filter reduces odors from pets, smoke, and cooking fumes.
- Circulates the air 4.8 times per hour in 180 sq ft rooms, providing thorough purification.
- Features 5 fan speeds and an 8-hour timer for customizable operation.
- Zero Ozone Certified, ensuring no harmful ozone production.
Cons
- Loud operation on higher fan speeds, with the highest setting reaching around 68.5 dB.
- Some users report high electricity consumption, impacting utility bills.
- Lacks an auto-mode feature to automatically adjust fan speed based on air quality.
- The effective room coverage for 4.8 air changes per hour is 180 sq ft, despite marketing claims of 870 sq ft for 1 air change per hour.
- Initial strong plastic or chemical odors reported by some users when new or after filter changes.
Dimension Scores
It captures 99.97% of particles as small as 0.1 microns and reduces airborne particulates by 99.5% in an hour in its effective room size of 188 sq ft, but its 870 sq ft claim is for 1 air change per hour.
It features simple top-mounted button controls for 5 speeds and a timer, and filter replacement is straightforward, but it lacks an auto-mode for hands-off operation.
Several users report units lasting for a decade, and it comes with a 5-year warranty, indicating a focus on durability.
While it consumes 58 watts, some users report a noticeable increase in their electricity bill, suggesting it's not the most energy-efficient option for continuous use.
Best For
- Individuals with allergies or pet dander sensitivities in bedrooms or medium-sized offices up to 180 sq ft.
- Rooms needing reduction of odors from pets, cooking, or wildfire smoke.
- Users who appreciate a white noise effect from lower fan settings during sleep.
Not Recommended For
- Large open-concept living areas exceeding 180 sq ft where rapid air changes are required.
- Users who prefer an air purifier with automatic fan speed adjustments based on air quality.
- Those highly sensitive to noise, especially when the unit operates on higher fan settings.
Watch Out For
- The advertised 870 sq ft room coverage provides only 1 air change per hour; for effective purification (4.8 air changes/hour), the unit is designed for 180 sq ft rooms.
- Some users experience a strong plastic or chemical smell upon initial use or after replacing filters.
- Operating on fan speeds 3, 4, or 5 can be noisy, with the highest setting peaking at 68.5 dB.
- Replacement filters (Filter C, FLT5000 series) are a recurring cost and need to be replaced every 6-8 months.
- The product does not have an official CADR rating listed in AHAM tables, making direct performance comparisons with other purifiers challenging.
Full Specifications
| UPC | 817624010670 |
| ASIN | B00OLBR084 |
| Brand | GermGuardian |
| Color | Black |
| Wattage | 58 watts |
| Floor Area | 870 Square Feet |
| Item Weight | 11.1 pounds |
| Noise Level | 60 Decibels |
| Filter Class | HEPA, Carbon, UV-C |
| Manufacturer | Guardian Technologies |
| Power Source | Corded Electric |
| Controller Type | Button Control |
| Special Feature | HEPA Pure Filter, UV-C Light, Timer, 5- Speeds, For Large Rooms |
| Number of pieces | 1 |
| Assembly required | No |
| Care instructions | REPLACE FILTER EVERY 6-8 MONTHS DEPENDING ON USE |
| Item model number | AC5350B |
| Batteries required | No |
| Product Dimensions | 9.06"D x 6.69"W x 28"H |
| Included Components | Air Purifier, HEPA Filter, UV-C Bulb, User Manual |
| Warranty Description | 5 years |
| Particle Retention Size | 0.1 Micrometer |
| Is Discontinued By Manufacturer | No |
| Contaminant Filtration Capability | 99.97% |
| Global Trade Identification Number | 00817624010670 |
What Buyers Say
Many users find this GermGuardian effective for managing allergies and pet dander, especially in bedrooms, with some units reportedly running for a decade. However, the unit's actual effective room size for thorough purification is closer to 180 sq ft, not the advertised 870 sq ft, and it can get quite loud on higher fan settings. The recurring cost and frequency of filter replacements are also a common point of discussion.
“I got this for my cat allergies and it actually works, but man, turn it up past 2 and it sounds like a jet engine. My electric bill went up too, but I guess that's the price for not sneezing all day. Filters are expensive but I vacuum them to make them last longer.”
Common Praise
- Effectively reduces pet dander and allergy symptoms.
- Noticeably reduces odors from pets, cooking, and smoke.
- Some units have proven durable, lasting for many years.
- Filter replacement is reported as easy.
- Lower fan settings provide a quiet white noise for sleeping.
Common Complaints
- Loud operation on fan speeds 3, 4, and 5, with the highest setting reaching around 68.5 dB.
- Higher electricity consumption reported by some users.
- The effective room coverage for adequate air changes (4.8x/hour) is 180 sq ft, not the 870 sq ft advertised for 1x/hour.
- Initial strong plastic or chemical odors when new or after filter changes.
- No auto-mode to adjust fan speed based on air quality.
Ownership Tips
- Vacuuming the pre-filter and HEPA filter can extend their lifespan beyond the recommended 6-8 months.
- The UV-C light can be turned off if not desired, or if you want to reduce potential ozone concerns (though it's Zero Ozone Certified).
- The unit exhausts air at a leftward angle, requiring about 12 inches of clearance from walls or furniture.
- The filter replacement indicator light turns red when a change is needed, but filters can sometimes be used longer with cleaning.
Frequently Asked Questions
What size room is this air purifier for?
It circulates air 4.8 times per hour in 180 sq ft rooms, making it suitable for medium-sized bedrooms or offices. For larger rooms up to 870 sq ft, it provides 1 air change per hour, which is less effective for active purification.
Does it produce ozone?
No, it is Zero Ozone Certified. The UV-C light is designed not to produce ozone.
How often do I need to replace the filters?
The True HEPA filter (Filter C, FLT5000 series) and carbon pre-filter should be replaced every 6-8 months, depending on usage. The UV-C bulb (LB4000) also needs periodic replacement.
Is it loud?
On lower settings, it can be quiet enough for white noise, but on higher fan speeds, users report it can be noisy, peaking around 68.5 dB.
Can it remove wildfire smoke odors?
Yes, it includes an activated charcoal filter specifically designed to reduce odors from smoke, including wildfire smoke.
Does it have an auto mode?
No, this model does not have an auto-mode switch to automatically adjust fan speed based on air quality.
Buying Guide
When you're looking at air purifiers, don't just look at the maximum square footage. You need to understand how many times the air in that room gets cleaned per hour, which is called Air Changes Per Hour (ACH). For allergies or smoke, you want at least 4-5 ACH. A larger room claim with only 1 ACH isn't going to cut it for serious purification. Also, factor in the ongoing cost of replacement filters, as these aren't one-time purchases.
True HEPA Filter (captures 99.97% of 0.1 microns)
UV-C Light
Air Changes Per Hour (ACH)
Alternatives
If this model's 180 sq ft effective coverage is too small, look for air purifiers with a higher CADR (Clean Air Delivery Rate) for smoke, dust, and pollen, or those explicitly stating 4-5+ ACH for your specific room size.



