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Best Air Purifier Reviews – Top 10 Hottest List for Jan. 2021

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Living spaces are sacred. They must make you want to live in them. But oftentimes, you might clean and vacuum all you want, but the pet hair, dust, mold, and kitchen odor just linger.

Don’t you often find yourself in a sneezing or coughing fit, and can’t identify what’s causing it? After all, you vacuumed the house just yesterday. If yes, then what you need might be an air purifier.

By filtering out impurities like dust, pollen, pet dander, and other allergens, and sometimes even microorganisms that may make you ill, these devices improve the quality of the air that you breathe in.

The type and quality of its filters, the suction, and circulation capacity of its fan, and even its choice of settings might make a difference in your experience with the air purifier. So where would you begin to look for one? Right here!

Here are some of the best air purifiers in 2021 that you can find in the market, put together after thorough research and much deliberation. The hours spent into finding these air purifiers ensure that each of these will be well worth your hard-earned money. Without further ado, read on to find your best fit!

Best Air Purifier Comparison:

10 Best Air Purifier for 2021

Best air purifiers over dozens of competitive models from different brands listed below:

1. LEVOIT Core 300 True HEPA Air Purifier - (Highly Rated, Well-Priced Product - Best of the Best)

LEVOIT Core 300 True HEPA Air Purifier

More photo & price on Amazon.com

Shaped like a capsule and little more than a foot tall, this is a fan and filter based mechanical air purifier with three-stage filtration.

The air is sucked in through its rounded sides, and filtered air is blown out at the top. This effective design maximizes air intake. By blowing out at the top, quality air is easily circulated in the room.

In the first stage, a pre-filter traps larger particles like pet hair and dust.

The H13 True HEPA filter in the second stage filters out particulates down to the size of 0.3 microns, filtering your air of all allergens. Then there is the carbon filter. The activated carbon binds with gaseous molecules in your air to remove unpleasant smells.

All this means that you are left with 99.97% cleaner air, in a matter of hours after you first turn this device on. It has 3 fan speeds means that filtering speed is your choice, and its QuietKEAP sleep mode ensures you a noise-free sleep.

What We Liked:

  • Effective up to 219 sq. ft., with CADR of 145 (pollen), 141 (smoke) and 140 (dust).
  • 4 types of replacement filters aimed at specific pollutants.
  • You can turn off the display lights or use it as a nightlight.
  • Auto-off Timer for 2/4/8 hours.
  • Filter replacement indicator to show when your filter needs to be replaced.
  • Has Energy Star, CARB, FCC, ETL, CA PROP 65 certifications.

What We Didn’t Like

  • No auto air quality sensor and has to be hand-operated.

Germ Guardian True HEPA Filter Air Purifier

More photo & price on Amazon.com

This sleek, speaker-lookalike Germ Guardian boasts a 5-in-1 system, wherein two additional protection levels are added to the purifier. The first and most significant addition is the UV-C light.

The UV-C is known to destroy most disease-causing microorganisms, like viruses, bacteria, mildew, and spores of other types of mold. This specific model claims to destroy influenza, rhinovirus, and staph, which are the commonest microbes that you take inside your home.

The UV-C also works with titanium dioxide, removing volatile organic compounds from the air. It also has a PetPure antimicrobial layer that prevents microbial growth on the filter surface.

These features are in addition to the 3-stage system of pre-filter, True HEPA, and carbon filter. The air is sucked in through the back, and filtered air is blown out through the sides for maximum circulation.

So for the price, this purifier seems to have it all. With timely cleaning of the pre-filter and replacements of the other filters and the UV-C light bulb, this purifier might serve you for years to come.

What We Liked:

  • Effective up to 153 sq. ft., with a CADR of 116 (pollen), 107 (dust) and 99 (smoke).
  • 3 fan speeds with ultra-quiet sleep mode.
  • UV-C light can be switched on/off.
  • 99.97% particles and allergens down to 0.3 microns are filtered out.
  • AHAM certification.

What We Didn’t Like:

  • No timer to set it working for a specified number of hours.

LEVOIT H13 True HEPA Filter Air Purifier

More photo & price on Amazon.com

The 3-stage filtering of this air purifier is on par with the standard: pre-filter for the larger particles, H13 True HEPA for particle sizes down to 0.3 microns, and activated carbon for filtering out unpleasant odors.

It is its range of filtration that truly stands out: in a room of 300 sq. ft., the air is filtered 3.3 times per hour. As the size of the room decreases, the number of air changes per hour increases simultaneously.

It is also quite energy efficient at 55 watts, lower than the energy consumption of a normal light bulb. It is a worthy grab for its price range.

What We Liked:

  • Efficient at 130 CFM in 300 sq. ft.
  • Highly portable purifier.
  • 3 fan speeds, lowest barely audible at 23 dB.
  • Display lights can be turned off or kept as a nightlight.
  • Filter reset indicator.
  • Certifications: CARB, FCC, ETL.

What We Didn’t Like:

  • Not much, except maybe the Filter Indicator light turning on in 2 weeks. This is so you check and clean the pre-filter.

4. Germ Guardian AC4825E Air Purifier - (Best Value for Money)

Germ Guardian AC4825E Air Purifier

More photo & price on Amazon.com

This 22-inch tall sleek machine has a 4-in-1 system to keep your air healthy. Apart from the usual three filters, it has UV-C light that works with titanium dioxide to destroy microbes and to remove VOCs.

It easily keeps the air fresh for up to 167 sq.ft., but we found that a closed room as large as 300 sq.ft. is no issue for it, due to the tall design and UV-C light.

This has been used to clean up the air that is laden with cooking smells, like spices and onion, just so you know what you are getting! And it is relatively quiet, with the highest of the 3 fan speeds perhaps as loud as a quiet ceiling fan.

What We Liked:

  • Cleans the air 4 times/hour, with CADR of 125 (pollen), 11 (dust) and 108 (smoke).
  • UV-C light can be turned on/off depending on user preference.
  • Good even while placed on the floor due to tall design.
  • Slight and sturdy build to be space-saving.
  • Moves a lot of air, and is effective even in the lowest setting.

What We Didn’t Like:

  • Display LEDs are rather bright and can’t be turned off.

5. Winix 5500-2 True HEPA Air Purifier - (Best Budget Pick)

Winix 5500-2 True HEPA Air Purifier

More photo & price on Amazon.com

Apart from the 3 three filters that are usually seen (pre-filter, True HEPA, and activated carbon), the Winix 5500-2 has PlasmaWave™ technology that you can choose whether to use or not.

In PlasmaWave™, water molecules are broken up using electricity to form hydroxyl ions, which destroy the harmful disease-causing pathogens nearby.

Thus the Winix 5200-2 makes your home a safe place, while also making sure no ozone is formed as a byproduct.

One of the best air purifiers at this price range, Winix 5200-2 also boasts of a Smart Sensor. It detects the air quality and adjusts fan speed so air clears up faster.

It has 4 fan speeds, and the highest setting purifies the room in a matter of minutes. While this may mean a louder operation, the fan sound is noticeably quieter in the Sleep Mode. In this mode the LEDs also dim, to create the feeling of a nightlight.

This purifier comes with a remote control that you can operate from the comfort of wherever you happen to be.

What We Liked:

  • AHAM verified for up to 360 sq. ft.
  • PlasmaWave™ is optional.
  • Energy consumption is low, compared to the robust performance.
  • Smart air quality sensor.
  • Remote controlled.
  • Filter reset indicator.

What We Didn’t Like:

  • Cannot switch the LED indicator lights off.

Pure Enrichment PureZone 3-in-1 Air Purifier

More photo & price on Amazon.com

The pre-filter, the True HEPA filter, the activated carbon, and the UV-C light provide layers of protection in this solidly built Pure Zone 3-in-1.

Its aesthetic and portable design is not the only thing that makes it user friendly: with an on/off button, it can be easily operated and its sleep mode is quieter than you can imagine. And to help you cut short your monthly electric bill, the timer lets you control how long it functions for, in 2/4/8 hour settings.

While it effectively purifies your air like any other air purifier, the size of this air purifier is indicative of the area it can clean: it is ideal for smaller spaces, like individual office rooms.

What We Liked:

  • Effective up to 200 sq. ft.
  • Easy on/off button.
  • Sleep mode with lights off.
  • Extremely quiet at the lower fan speeds.
  • Filter reset indicator.
  • Filters are easily removable as they are welded into one unit.

What We Didn’t Like:

  • Not meant for larger rooms.

Medify MA-40B H13 True HEPA Air Purifier

More photo & price on Amazon.com

This list wouldn’t be complete without the Medify MA-40B V2.0. It boasts of an astounding 99.9% air purification through its medical-grade H13 True HEPA filters, filtering out particles as small as 0.1 microns.

With a Clean Air Delivery Rate of 330, this compact device is meant for rooms as large as 1600 sq. ft. This makes it an ideal choice for offices, or households where the living, dining, or kitchen areas merge into one huge hall.

Apart from the pre-filter, True HEPA and activated carbon layers, the Medify MA-40B V2.0 has an ionizer that can be switched on in the higher two-speed levels of the 3 fan settings.

Its sleep mode turns this ionizer off, to provide quieter settings at night, with an 8-hour timer for auto-off. Not only that. Its particle sensor also works efficiently to detect air quality and change the fan speed so that the air you breathe remains clean.

This purifier has a tempered glass panel that sits sleek on top, with options to child-lock it so that your toddler or your curious cat doesn’t accidentally turn it off.

All in all, it is one of the best air purifiers that you could get your hands on for medium or large rooms.

What We Liked:

  • Large range of 330 CFM up to 1600 sq.ft.
  • 3 fan settings with sleep mode and child lock.
  • Air quality sensor.
  • Lonizer stays off in lowest setting/sleep mode and can be switched on/off in the other settings.
  • Exceptional finish, compact and portable.
  • CARB, Energy Star, and ETL certified.

What We Didn’t Like:

  • There is no remote control.

8. Hathaspace Smart True HEPA Air Purifier - (Best Overall, Runners-up)

Hathaspace Smart True HEPA Air Purifier

More photo & price on Amazon.com

Hathaspace has a 5-in-1 system that makes use of its Smart Air Quality Sensor to provide instant removal of pollutants from the air.

The air sucked in through this purifier passes through a cold-catalyst pre-filter, activated carbon filter, antibacterial layer, and the True HEPA, getting thoroughly filtered before it reaches the ionizer.

From there, the air that is later released acquires the capacity to destroy pathogenic microbes, so that you remain protected at all times.

This work-beast amazes you with its capacity to remain quiet, even on its higher settings. At the lowest, the sound it makes does not rise above 20dB, which is the hearing threshold of human beings.

If you are still deliberating on its pros and cons, you would be happy to know that this has a capacity of up to 350 sq. ft., where it changes air 2 times per hour.

Coupled with its quiet function, these are one of the best air purifiers for master bedrooms and you won’t regret buying it.

What We Liked:

  • 2 times ACH for 350 sq. ft.
  • UV lights for air sanitation.
  • Smart Air Quality Sensor.
  • Quiet operation, with sleep mode coming down to 20 dB.
  • Can be remotely controlled.

What We Didn’t Like:

  • While the filters are great, it lacks a washable pre-filter.

Honeywell HPA200 True HEPA Allergen Remover

More photo & price on Amazon.com

With its hrf-ap1 pre-filter and hrf-r2 HEPA filter, the Honeywell HPA 200 removes 99.97% of all allergens down to the size of 0.3 microns, including dust, pollen, pet dander, and spores or mold.

It is known to remove volatile organic compounds, odors, and as well as heavy smoke to keep the indoor air in pristine condition all the time. The touch controls make it very easy to use. Its display lights can be dimmed or switched off completely so that if you are sensitive to light, you can still enjoy the benefits of the air purifier when you sleep.

As such, these are highly efficient in bedrooms. You can set your timer and have the device run for only as long as you want it to. Then again, with its built-in handles and portable design, the Honeywell HPA 200 can be moved to and used in any part of the house.

The beauty of the model is that it can be used for a range of up to 310 sq.ft., despite its small frame.

What We Liked:

  • Range of up to 310 sq. ft.
  • 4 cleaning levels—Germ, Allergen, General Clean and Turbo.
  • Easy to use touch controls.
  • Lights can be turned off.
  • AHAM certified.
  • CADR of 200 (smoke), 190 (dust) and 180 (pollen).

What We Didn’t Like like:

  • The pre-filters are non-washable.

Vremi Premium Large Room Air Purifier

More photo & price on Amazon.com

With its 360-degree aerodynamic air intake, the Vremi Premium filters the air through the 3 standard stages of air purification and is the poster child of efficiency.

Its ultra-fine pre-filter removes larger pollutants, while the H13 True HEPA filters particles down to 0.3 microns, and the activated carbon filter helps with unpleasant odors.

The Smart Air Quality Monitor of the Vremi Premium adjusts the fan speed in real-time to clear your air faster. The indicator LEDs, meanwhile, warn you of lowering air quality with its blue, green, amber, and red lights.

Be it kitchen odors, smells left by your pets, dust, or smoke, generic air impurities don’t stand a chance against Vremi Premium. You can witness the sensor working by observing how it automatically increases fan speed the moment it detects an increase in air impurities.

The built-in timer takes care of the operation if you leave Vremi in auto mode. It can be set to 2/4/8 hours, after which time the device shuts down.

As it is a work giant that gives you the option for cheaper, non-proprietary replacement filters, the Vremi Premium is a real steal for your money.

What We Liked:

  • Compact at 15.5 inches, with a range of 200 sq. ft.
  • Smart Air Quality Monitor.
  • 360-degree aerodynamic air intake.
  • Warm nightlight with multiple brightness levels, but can be switched off by touching the Air
  • Quality button.
  • Timer for 2/4/8 hours.
  • Reset Filter Indicator.

What We Didn’t Like:

  • Not remote controlled.

Final Verdict

So there you have it, our list of 10 best air purifiers that will make your life a whole lot easier.
Since an air purifier is an investment for your health, ultra care was taken to vet each and every one of these devices through hours of research and verified user reviews. You don’t take your health lightly, and neither do we.

This is why we hope that this article helped you choose the best air purifier for your budget and needs.

One last word of wisdom before I wrap up- remember that before you buy any gadget, always be aware of exactly what you want, what can be an investment, and how these devices work.

There is no doubt that air purifiers make life a whole lot healthier. You will really feel a difference especially if you are prone to allergies or just need a cleaner, healthier air at home!

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