The 8 Best HEPA filter Air Purifiers – reviews and comparison

By | December 17, 2016

8 Best HEPA Air Purifier

Fresh and clean air is very much necessary for good health, but there are places where the air around may be contaminated with a variety of problem causing impurities. And this is where air purifiers come in, they help to clean the air, making it safer for breathing.

Contamination levels in air can rise due to pollution and dust. If the atmosphere around you is too much polluted it can lead to noticeable health problems related to respiratory system, allergies, skin irritation and sometimes even serious illness. Places like hospitals have a greater need for cleaner air to ensure proper health care for the patients.

HEPA (High-efficiency particulate arrestance) air purifiers are able to clean out various kinds of particle pollutants like dust, pollen, smoke from air. They are quite effective and often used indoors and inside cars while driving.

In this article we take a look at some of the best air purifiers that are currently available in the market. Each has a different set of features, that you need to study and select the one that best suits your needs.

1. GermGuardian AC4825 3-in-1 Air Cleaning System

Top on the list is this Air Purifier from GermGuardian that features a true HEPA Filter, UV-C Sanitizer, and Odor Reduction that captures 99.97% of allergens as small as 0.3 microns.

GermGuardian AC4825 Air Cleaning System with True HEPA Filter

GermGuardian AC4825 Air Cleaning System with True HEPA Filter


  • Has charcoal filter
  • Supported by UV-C light technology

  • Indicator Lights for Filter and UV-C Bulb Replacement
  • Operates quietly
  • Certified energy efficient

This purifier stands 22 inches high and comes with different levels in capturing pollutants. Its charcoal filter helps reduce common odors caused by pets, smoke, anti-bacterial stuff with strong odor, and even when you’re cooking.

The UV-C Light Technology kills bacteria and viruses such as rhinovirus, E-coli, and streptococcus making the air safer for health. Such technology permanently damage DNA of germs to prevent them from multiplying.

It purifier has a light indicator that blinks when the UV-C bulb needs to be replaced. Additionally, it is a certified energy efficient appliance, hence, you won’t need to worry about higher electricity bill. It is quiet in operation.

2. Honeywell True HEPA Allergen Remover

This true Hepa Air Purifier from Honeywell is efficient in capturing harmful particles including dust, pollen, smoke, and odor. It captures 99.87% microscopic particles that pass through their filters.

Honeywell HPA300 True HEPA Allergen Remover

Honeywell HPA300 True HEPA Allergen Remover


  • Uses a mechanical filtration process
  • Quiet operation
  • Double filtration
  • 4 levels/types of filtration
  • built-in handles on the sides to pick it up or move it

This filter can effectively clean and circulate the air in a room upto 5 times in an hour. It doesn’t release the ozone back into air, making it purifier more suitable for patients with asthma, air allergies, and other breathing disorders.

There are 4 levels of filtration to choose from. At the first level it simply filters germs, and operates very silently and is barely audible. The second level offers more filtration and operates at minimal noise levels. The third and fourth levels are best in managing air flow. Such levels powerfully capture allergens and circulates the air quite well.

It has good-looking design and comes with built-in handles on the sides for easy moving and transporting.

3. Holmes HEPA Type Desktop Air Purifier

This HEPA Type Air purifier from Holmes is great for smaller spaces and desktop use. It has the ability to remove allergens present in the surrounding air. It removes up to 99% of harmful particles, giving you a refreshing and improved quality of air.

Holmes HAP242-NUC HEPA Type Desktop Air Purifier

Holmes HAP242-NUC HEPA Type Desktop Air Purifier


  • Activated with HEPA and carbon filters
  • Three speed settings
  • Dual positioning design
  • Optional ionizer
  • Works great in small rooms
  • Quiet operation
  • Pop-off cover
  • Sliding switch

The powerful HEPA filter present in this air purifier removes harmful particles and the carbon filters help in removing odor. It is operated with a sliding switch and includes pop-off cover. It has a durable housing that is long lasting.

The dual positioning design allows you to position this air purifier both horizontally and vertically with equal ease. You can set the unit to any of the three speed settings. The 1st and second settings allow you to continually purify the air without any distracting noise or disturbance to those in sleep.
The third level triples the purification process and the unit could produce a louder noise.

4. GermGuardian AC4100 3-in-1 Air Cleaning System with HEPA Filter, UV-C Sanitizer and Odor Reduction, 11-Inch Table Top Tower Air Purifier

This is another popular air purifier from Guardian Technologies. It has an aesthetic design that suits the interiors of both offices and homes. It has a compact design and allows you to place in on top of table or cabinet while it purifies the air around you.

GermGuardian AC4100 Air Cleaning System with HEPA Filter

GermGuardian AC4100 Air Cleaning System with HEPA Filter


  • HEPA Filter
  • UV-C sanitizer
  • Odor reduction through charcoal filter
  • Compact in design
  • Filter replacement reminder
  • Comes with 6-inch power cord

The model features HEPA filtration, capturing 99% or airborne particles such as dust, debris, pollens, and other harmful particles present in the air that surrounds you. The charcoal filter helps reduce the odor brought by pets, smoke, and even cooking odors. It improves the quality of air all around, and gives a refreshing feel.

Measuring 11 inches high, this unit is designed as table top tower and it saves space. It comes with a 6-inch power cord and allows you to move it distantly from a socket. There are 3 speed settings you can choose, from slight to powerful purification.

It also has the UV_C sanitizer feature that removes microbes like bacteria and viruses from the air, making the air even more healthier.

5. Honeywell 17000-S QuietCare True HEPA Air Purifier, 200 sq. ft.

This Honeywell’s 17000 model cleans up and purifies air with a larger area coverage. With its two filters, this model is capable of cleaning the circulating air in an area up to six times an hour.

Honeywell 17000-S QuietCare True HEPA Air Purifier

Honeywell 17000-S QuietCare True HEPA Air Purifier


  • Permanent HEPA and Pre-Filters
  • Ideal for larger rooms
  • Soft touch electronic controls
  • 3 speed options
  • Light indicator

The HEPA filter removes and traps small harmful particles up to 99.97% to ensure that the air breathed by people in the surrounding is fresh and non-polluted. It has a pre-filter mechanism that removes unpleasant odors. Its suitable for people suffering health ailments like asthma and allergies.

Its soft touch electronic controls let you operate the device easily. Its three speed options let you set it from slight, moderate, and strong action.

6. Honeywell 50250-S True HEPA Air Purifier, 390 sq. ft.

Designed for large spaces, this Honeywell 50250 can capture particles as small as 0.3 microns in sizes and even larger ones such as pollen, pollen, mold spurs and even tiny fur of animals that contaminate the air around you.

Honeywell 50250-S True HEPA Air Purifier

Honeywell 50250-S True HEPA Air Purifier


  • Fiber Glass HEPA filter is long lasting
  • Carbon activated pre-filter
  • Electronic Filter Indicator
  • Ideal for large spaces up to 390 sq ft
  • Durable housing
  • Circulates air up to 5x in an hour

This model comes with long lasting fiber glass HEPA filter that can be vacuumed and allows you to extend its usage from 3 to 5 years. The carbon pre-filter eliminates unpleasant odors caused by pets, smoke, and even cooking odors giving you a fresh and healthy air.

It could circulate air in a large room up to 5 times in an hour. An electronic filter indicator reminds you if your filter has reached its maximum level of filtering and requires replacement. It has a durable housing and protects the filters inside it.

7. GermGuardian AC5250PT 3-in-1 Air Cleaning System

This is yet another air purifier from Guardian Technologies that is quite popular. This purifier from GermGuardian has a 3-in-1 air cleaning system that includes HEPA filtering, Pet Pure Treatment and Charcoal Filtering that powerfully works together to provide you the highest level of air purification.

GermGuardian AC5250PT 3-in-1 Air Cleaning System with True HEPA Filter

GermGuardian AC5250PT 3-in-1 Air Cleaning System with True HEPA Filter


  • UV-C light technology
  • HEPA and Pet Pure Treatment
  • Charcoal Filter
  • 5 speed setting
  • Works best for medium and large sized rooms
  • Energy Star Qualified

Recommended for those who are suffering allergies, this model features HEPA filter responsible for capturing up to 99.97% of airborne particles present in the air. It is added with Pet Pure treatment, an anti-microbial agent to obstruct mold growth. Its charcoal filters capture odor causing bacteria brought by pets, smoke, and cooking.

The UV-C Light kills germs prevents them from multiplying. Such model is capable of purifying medium and large sized rooms hence this is a great buy for offices. It stands 28 inches tall and has sturdy housing. It could just stand at the corner of your space and is easy to store when not in use.

8. Winix WAC9500 Ultimate Pet True HEPA Air Cleaner with PlasmaWave Technology

Aesthetically pleasing, this Winix WAV9500 boasts its powerful and effective way of purifying air with its five stages of filtration. It is user-friendly and ideal for those suffering allergies, asthmatics, and other breathing disorders.

Winix WAC9500 Ultimate Pet True HEPA Air Cleaner

Winix WAC9500 Ultimate Pet True HEPA Air Cleaner


  • True HEPA filtration
  • Washable carbon filter
  • Pre-filter captures large sized pollutants
  • Plasma Wave Technology
  • CleanCel Antibacterial Treatment
  • Smart Sensors and Auto Mode

This unit offers superior cleaning with its 5-stage filtration. First, the true HEPA filter that is responsible for filtering tiny pollutants up to 99.99%. Second, the washable Carbon Filter that captures odor causing bacteria.

Third, the Pre-filter which is responsible for capturing large particles such as pet’s air. Fourth, the Plasma Wave Technology that penetrates to a molecular level of pollutants and neutralizes viruses, bacteria, odor and gases. Fifth, the CleanCel Antibacterial treatment added to all other treatment to give you a health and comfortable living.

It is operated manually or with remote controls for more convenience. You can set it up 4 speed depending on what you need. It comes with an auto dim feature that senses the amount of light in an area. It may be display a normal LED light or a dimmed light which additionally impresses customers.


Air purifiers are quite helpful in improving the quality of air around us and thereby improving health. Though we cannot avoid the harmful pollutants outdoors, we can ensure good air quality indoors with these air purifiers. With purifiers, we can reduce the risk of inhaling bacteria and viruses and hopefully live a better and healthy life.

The above reviews of air purifiers will be your guide when you plan to own one. There are lots of models from different brands out there. Find the one that best fits your budget and needs.

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