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Germ Guardian AC5250 UV-C Air Purifier – Compare Smart Air Purifier

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Set Alert for Product: Germ Guardian AC5250PT 28” 3-in-1 True HEPA Filter Air Purifier for Home and Pets, Large Rooms, UV-C Sanitizer, Filters Allergies, Smoke, Dust, Dander, & Odors, 5-Yr Wty, GermGuardian, Grey - $70.88
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☑ Three-stage purification system with charcoal filter and UV-C light
☑ Filter replacement light notifies about the damaged filter
☑ Automatic shutdown with a programmable timer

Last updated on July 6, 2020 5:52 pm
Germ Guardian AC5250 UV-C Air Purifier – Compare Smart Air Purifier
Germ Guardian AC5250 UV-C Air Purifier – Compare Smart Air Purifier

Score & Analysis

Features Score



Price Range : LESS THAN $100

Group Rank : #6( out of 29 Products )


Average score in the group


Best score in the group



Overall Rank : #35( out of 85 Air purifier )


Average score in Air purifier


Best Score in Air purifier



Features Group This
Best Average Remarks Best Average Remarks
CADR (Clean air delivery rate) 235 127.67 Above average
149 184.33 below average
CADR Dust 155 91.24 Above average
126 164.7 below average
CADR tobocco smoke 155 84.79 Above average
116 163.45 below average
CADR pollen 159 96.11 Above average
128 176.64 below average
Air changes per hour 5 4.46 below average
4 2.8 Above average
Energy consumption [Watt] 15 42.22 Above average
N/A 65.6 below average
Room Size 600 172.83 Above average
180 332.98 below average
Noise level [db]-Air purifier 24 40.4 Above average
N/A 41.09 below average
Airpurifier weight [lb] 2.9 8.21 below average
11.25 13.22 below average
Warranty [Months] 60 35.14 Best
60 42 Above average


Features of GermGuardian AC5250 UV-C air purifier

Air pollution has not only damaged our society but air pollution is causing severe health problems. There are several reasons behind this air pollution but it is almost impossible to stop this increment in pollution. Therefore, the only solution to this problem is use of air purifiers because these devices can clean air without any problem. GermGuardian AC5250 is one of the best air cleaners available today that is full of futuristic attributes. This UV-C air purifier utilises HEPA filter that captures 99.97% of household germs such as dust mites, pollen and pet dander. Furthermore, use of UV light is explicit addition to this purifier as it kills germs and bacteria.

Three Stage Purification System

GermGuardian AC5250 comprises of three-stage purification system that captures many risky particles efficiently. First of all, HEPA filter is the main filter that eradicates 99.97% of dust particles, smoke, and various allergens that are larger than 0.3 microns.

Pet dander, household dust, mold spores, pet dander & pet hair and plant pollens are those components that are fetched by HEPA filter.

The charcoal filter is at second position in the filtration process. It is actually odor reducing filter that removes common odor raised from smoking, cooking and pets. Ultraviolet UV-C light is extended technology that combines with Titanium Dioxide to eliminate bacteria, germs, viruses and mold spores.

Filter Replacement Reminder

This UV-C air purifier doesn’t have a permanent filter. It has replaceable filter that should be changed after a limited time period in order to get consistent performance. It will also impact the device and working parts in the long run. That’s why it is essential for the user to change the filter at the right moment.

The length of filter depends on its daily usage however it is recommended to replace filter every 6-8 months. Most of the air purifiers come with filter replacement light that gives appropriate information about the filter.

As soon as the filter is damaged, indicator light will turn on and it will notify the user to change the filter. After filter replacement, reset button must be pressed to notify the device about new filter.

Programmable Timer

This Germ Guardian device comes with a programmable timer that has become usual in air purifiers. This UV-C air purifier can have scheduled shutdown by using this programmable timer. Clientele can simply set up a given time ranging between 1 to 8 hours. As long as the timer reaches the given time, the system will turn off automatically. The mainly use of this feature is during night time operation when a user can’t shut down the system. Furthermore, if the clientele is travelling, this option gives better control over device.

Variable Speed Options

This UV-C air purifier product has five (5) different speed options. User can manually select any settings by just pressing a button on top of this device. The minimum speed option is ultra-quiet sleep mode that doesn’t generate any ambient noise while its operation. Meanwhile, power usage at sleep mode is minimal as the RPM of fans is at a minimum level. The system will consume more and more energy if the speed options go higher.

Price History

Price history for Germ Guardian AC5250PT 28” 3-in-1 True HEPA Filter Air Purifier for Home and Pets, Large Rooms, UV-C Sanitizer, Filters Allergies, Smoke, Dust, Dander, & Odors, 5-Yr Wty, GermGuardian, Grey
Latest updates:
  • $70.88 - May 20, 2020
  • $159.99 - April 1, 2020
  • $130.00 - March 12, 2020
  • $109.99 - March 9, 2020
  • $129.99 - February 24, 2020
  • $119.99 - February 9, 2020
  • $139.95 - January 27, 2020
Since: January 27, 2020
  • Highest Price: $159.99 - April 1, 2020
  • Lowest Price: $70.88 - May 20, 2020

Additional information

Specification: Germ Guardian AC5250 UV-C Air Purifier – Compare Smart Air Purifier



Mold spores



Bacteria and viruses

Chemical and gas fumes

Odros and smells

Pet dender

CADR rating

CADR (Clean air delivery rate)




CADR tobocco smoke


CADR pollen


Air changes per hour


Energy consumption [Watt]


Room Size


Noise level [db]-Air purifier


Filters & Sensors
Hepa fliter

True hepa Filter

Air quality sensors

Carbon filter

Filter replacement indicators


Washable pre filter

Other useful
Carrying handle


Digital control

Night light

Programmable timer

Technology-Air purifier
0.3µm particle removal (%)


Antimicrobial treatment

Ozone free

Photocatalytic oxidation

Plasma wave technology

Airpurifier Height [inch]


Airpurifier Length [inch]


Airpurifier weight [lb]


Airpurifier Width [inch]


Warranty [Months]


Wireless controls

Amazon Alexa-Air

Google Assistant-Air

App Control-Air

Remote Control-Air

Voice Control-Air


What are the chances of noise pollution generated by this product?

At the lowest settings, this air purifier generates 40dB that is an audible sound. However, it generates enough noise on higher settings as loud as 60 dB.

Is this UV light air purifier helpful in eradicating perilous particles of my pet?

Yes, this UV-C air purifier can easily tackle germs related to pets as three-stage purification system has 99.97% effectiveness.

How long should the filter be changed with a new one?

The duration of filter replacement depends on daily usage however enterprise recommends changes the filter every 6-8 months.

Can user sponge the filter for reuse?

No, it will completely damage the filter and further use of the same filter will be impossible after rinsing it.

What type of continuation are crucial for this air cleaner?

Much needed maintenance for this device is alteration of filter that has limited lifecycle. HEPA filter lasts for 6-8 months and it should be altered with a new one.

What is a superlative place for GermGuardian AC5250 to give ultimate performance?

Every position is supreme for UV-C air purifier if the flow of air isn’t blocked by any household component such as sofa, table, and chair etc.

What type of contagions can be purged by this purifier?

GermGuardian AC5250 can easily remove pet dander, pollen, dust mites, mold, odour-causing bacteria, odor generated by smoking or cooking and various germs & viruses.

Is GermGuardian AC5250 a portable purifier?

This air purifier is 10.55 pounds (4.78 kg) with a total size of 6.1 x 9.5 x 27.25 inches. As the product has lightweight with tower design, it can be carried from one place to another effortlessly.

Is there any exclusive trait available in this device?

The three-stage purification procedure is the exclusive feature of GermGuardian AC5250 because it can clean air rapidly and effectively.

Who can obtain and use this air purifier?

This device is perfect for children, asthma patients, dust allergic, and smokers who are prone to lung diseases.

What is the energy usage for this device? Does it save energy?

This device uses 70 watts at the highest-profile available in the setting menu. Though it is quite a high rating as compared with other devices it has received certification from energy star.

What is the maximum covered size for this device?

This product is ideal for small to medium offices and living areas. It performs four (4) times cleaning in a 180 square feet area.

Does this product have any supported application for wireless connectivity?

No, this device doesn’t have any supported application to connect it wirelessly with a smartphone

How much assurance of GermGuardian AC5250 is provided?

GermGuardian AC5250 comes with five (5) years of limited warranty in which all the operational faults are rectified without taking any additional price.

What are different stages of the filtration process in this device?

There are three stages of filtration procedure that are HEPA filter, charcoal filter and UV-C light. The HEPA filter removes ultra-small particles, charcoal filter removes different odors and UV-C light kills viruses and bacteria.

How many fan speed options are installed?

There are five (5) fan speeds installed in this product. Ultra-quiet sleep mode doesn’t generate ambient noise however other options produce audible sound.

What is the rate of emission of reactive gases such as ozone?

Rate of emission of different reactive gases and especially ozone is almost zero. These gases are dangerous and have a negative impact on human health.

Does it have any programmable timer feature?

Yes, it has programmable timer feature up to 8 hours. User can schedule the automatic shutdown of the device for a limited time period.

Does it have indication light for filter replacement?

Yes, it has filter change indicator that notifies clientele that filter has reached its maximum duration and it should be changed now.

Can the user adjust various settings remotely?

No, remote-control support requires additional software and hardware for two-way communication.

What are the measurements of CADR certification?

The CADR measurements for smoke, pollen and dust are 116, 128 and 126 cfm respectively.

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