Best Room Air Purifier: Reviews and Comparison

How To Pick The Right One For Your Living Room/Bedroom?

Best Room Air Purifier: Reviews and Comparison

Choosing the right air purifier is not easy because there is so many options to look into. This review will narrow down to the best air purifier available in the market.

Top 10 Best Air Purifier Machine 2019 : Comparison and Review

Which is the best Air Purifier?

Do you know that your indoor air pollutants are 3 to 5 times higher than outdoor?

An Air Purifier is very effective in capturing more than 99% impurities that spread through the air column.

However, getting a right air cleaner can be a time-consuming process as you need to research on hundreds of air purifier that has various features and technology filtration system.

That’s where we come in.

We have tested and done in-depth research from feedbacks and Internet to provide everything you need to know about Air Purifier to assist in narrowing down your choices.

ModelArea CoverageTrue HEPABest ForPrice
Rowenta PU6020 air purifier800 sqftYesBest All-in-One Air Purifier for Allergies and Toxic GasesPrice
Coway AP-1512HH air purifier528 sqftYesBest Smart Air Purifier for Pets Hair & OdorPrice
Winix 5500-2 Air Cleaner360 sqftYesBest Anti-bacteria Air Purifier for Asthma and AllergiesPrice
GermGuardian AC4825 Air Purifier155 sqftYesBest Air Purifier for Office and Study RoomPrice
Levoit LV-PUR131 Air Cleaner322 sqftYesMost Quiet Air Purifier for BabyPrice
Whirlpool WPPRO2000 Air Purifier500 sqftYesBest Air Purifier for Smoke and AllergiesPrice
Alen BreatheSmart1,100 sqftNoBest Air Purifier for VOCs, Asthma and PetsPrice
Honeywell HPA300 Room Air Purifier465 sqftYesBest Air Purifier for Dust, Odor and HazePrice
PureZone Tabletop Air Purifier200 sqftYesBest Air Purifier for Germs, Dust and OdorPrice
Levoit LV-H132 Compact Air Purifier90 sqftYesBest Air Purifier for BedroomPrice

Top Rated Air Cleaner Machines 2019 :

Rowenta PU6020 Intense Pure Air - Best All-in-One Air Purifier for Allergies and Toxic Gases

Rowenta is a German company that manufactures household appliances. Their product quality is highly praised by the consumer and receive a substantial amount of positive review.

The reason why Rowenta PU6020 was selected to be the best overall and editor’s choice is that it has all in one package that performed significantly compare to others including the smart technology, broad area coverage, patented formaldehyde filter, high quality granular activated carbon, stylish design, and very quiet operation.

Filter and Features

This air purifier features effective four-stage filtration system to ensure no airborne pollutant circulate around the room and escape through the Intense Pure Air’s four-stage filters.

PU6020 Smart Modes

  • Smart Pollution Sensors - Thanks to this feature, the sensors will monitor air quality in the room up to 832 square feet. Whenever the pollution is at a high level, it turns red color, purple color when mild contamination detected and blue color for excellent air quality. By activating the auto mode, the filtration speed from 1 to 4 will be calibrated according to air quality level ensure zero pollution.
  • Night Mode - To avoid disturbance during sleeping hours, the night mode system will reduce the light intensity of the control panel and further reduce the already quiet fan to whisper quiet.

There is a timer feature in this Rowenta air purifier that allows you to set up to 8 hours. It is recommended to run the air purifier more than 12 hours to ensure the air you inhale is fresh and clean no matter in day or night time.

The Intense Pure Air comes with a remote control which is convenient for you to control across the living room.

Warranty: 1 year


Area Coverage and Performance

The Intense Pure Air is suitable to be placed in your living room or bedroom covered up to 800 square feet.

CADR Smoke rated at 310 sqft/hr, CADR dust & pollen rated at 330sqft/hr. Therefore 5 air purifying cycles for 300 sqft and 1.5 air cycles for 800 sqft.

The Intense Pure Air features 2 Advance Sensor and one of it is the infrared sensor that measures pollutant particles in the room.

The second sensor is the gas sensor that able to detect the presence of acetone, formaldehyde, benzene and etc.

Thanks to this smart system, it will safeguard your home and optimize the air cleaning via 4 levels of filtration.

The Intense Pure Air’s Night Mode can go as low as 28 decibel which is so low, you will have a good sleep for the entire night.

For better air circulation around the house, the fresh air outlet is adjustable at 45 degrees and 90 degrees vertically.

The test report from Rowenta is proven that NanoCaptur permanently destroys 81% of formaldehyde within 7 minutes and up to 99% within 150 minutes.

The NanoCaptur filter will be oxidized by changing color gradually from yellow to brown color. Therefore you need to check your filter regularly.


Pre-filter needs to be cleaned every 2 weeks by rinsing it with water.

Carbon filter needs to be replaced once a year if you extend the lifespan by vacuum on its surface every 2-4 weeks once.

The True HEPA filter needs to be replaced every 3 years.

The NanoCaptur needs to be replaced once the color changed from yellow to brown. You may refer the color chart on the filter. Do check it once after 6 months.


The Rowenta Intense Pure Air is an advanced air purifier that will safeguard you from in-house pollution especially the air toxins such as formaldehyde.

It is definitely worth for investment on this air cleaning machine due to its high-end features such as 2 smart sensors and night mode that offers you hassle-free convenience and giving you peace in mind without worried feeling sick.

Check out the Rowenta PU6020


  • Worth value for money
  • Great at purifying in-house toxins (NanoCaptur)
  • Whisper quiet operation with Night Mode
  • 2 Smart Sensor for air quality
  • Built-in Timer up to 8 hours
  • Energy Star certified
  • 4 filtration system
  • Huge coverage area up to 800 sqft
  • True HEPA filter
  • It comes with Remote Control


  • Expensive
  • Basic control on remote control
  • Large footprint at the base
  • Turbo fan can be loud for sleeping
  • Short warranty period

2. Coway AP-1512HH Mighty Air Purifier Best Smart Air Purifier for Pets Hair & Odor

The Coway Mighty Air Purifier comes in slightly a compact size, lighter, silent and the effectiveness of air cleaning is excellent that features with smart technology. It is definitely one of the best overall compact air cleaner I have ever reviewed. Let’s look further in our review.

Filters and Features

Looking at the design, it kept at minimalistic, glossy finish that looks stylish and easily matches in your living room.

Moreover, the control panel is very intuitive to use.

The Coway Mighty features 4 stage filtration system to effectively eliminates odors, pollutants and ensure the air expelled back to the room is fresh and clean to breathe. The process flow starts with:

Smart Technology

The Coway Mighty is equipped smart technology known as the Air Quality Indicator which monitors air quality in your house with the intelligent sensor. When there is pollutant detected, immediately it changes its color to red and back to blue when the air is entirely clean.

This Mighty air purifier operates in fully automatic if you activate the Auto Mode. Now you can sit back and relax, let the air cleaner calibrate the fan speed to highest to get rid of pollutant immediately.

Eco Mode

Eco Mode is another unique feature that helps even further for energy savings. How it works is putting the fan into idle that save for energy consumption if there is no air pollution in your home for 30 minutes.

There is a Timer feature in this AP-1512HH that you can set from 1/4/8 Hours. It is recommended to turn on Auto Mode and let it run for a whole day since there is Eco Mode to support energy saving capability.

Warranty: 3 years


Coway Mighty might not be the best when it comes to odor-controlling abilities. It does eliminate cigarette, and household smells from the air, but if getting bad smells is your main concern the Mighty is not the best choice. The odor filters only 3/8 inch thick which contain a low amount of carbon.

The LED light is too bright during sleeping at night or in a dark room.

No remote control included.

Area Covered and Performance

CADR rating :Dust-246, Pollen-240, Smoke-233

This air purifier unit capability of purifying the air in room size up to 528 sqft. For best result, it is ideal for room-sized at 300sqft which the sensor can be more sensitive and faster purification process.

Will ionizer cause lung irritation and hazard to health?

No, it will not. The Coway Mighty has been certified by the California Environmental Protection Agency’s Air Resources Board (ARB) as producing ozone in extremely low or non-existent quantities with quantities that less than 0.050 parts per million of emission.

However, you have an option to switch off the ionizer.

The Coway Mighty operation noise level is whisper quiet with the low fan setting produced 24.4 dBA and the highest fan speed measured at 53.8 dBA.

Filter Maintenance

There is a filter change indicator that will alert you to replace the filter when the time is up. Do take note that the pre-filter is washable therefore it will last for the long term.

While for the carbon filter recommended by Coway to be replaced after 6 months. To further extend the lifespan of the filter, you should vacuum the surface every 2 weeks.

Lastly, the True Hepa filter should be replaced after 12 months for optimum performance.

This air cleaner unit is very energy efficient certified by Energy Star that uses 7-watt power only which is save a lot of cost in long-term.


Overall I would rate the Coway AP-1512HH Mighty great for promoting a healthy respiratory system in your home.

The Coway Mighty build is compact and beautiful, you can easily place it anywhere in your room and easy to move it around as well.

A big plus for this air cleaner that it features smart technology that monitors air quality, eliminate the pollutant and freshen the air to makes your living more convenient.

With the excellent performance and not-so-expensive price range, I would say its a bargain and worth the value for money if you have decided to get this unit.

Check out the Coway AP-1512HH Mighty Air Purifier


  • Best for dust and pollen allergies
  • True HEPA
  • Powerful 4 step cleaning system
  • Whisper quiet operation
  • Eco Mode that enables low operating cost
  • Energy star certified
  • Nice and stylish desgin
  • Compact and light size
  • Smart technology


  • Not the best removing odors and smoke
  • No remote control
  • No night mode to control brightness of the light.

3. Winix 5500-2 Air Purifier - Best Affordable Air Purifier for Asthma and Allergies

Winix is a leading company that is specializing in producing household appliances. Although they are from South Korea, their innovative air purifier range is well known around the world.

Filters and Features

The Winix 5500-2 has a beautiful looking design with minimalistic details in black matte color. It looks tall, wide surface and flat that actually easily fit in any size of a home.

The air intake is from the front panel and releases out on top. Suitable to place anywhere in the corner or close to the wall.

The Winix feature 3-stage air cleaning technology:

What is Hydroxyls?

This molecule is known as a natural cleansing agent that generally can be found in earth atmosphere.

The hydroxyls’ ion is an effectively oxidizing airborne pollutant, bacteria, mold, and virus without producing ozone. It is also proven effective at removing odor and chemical fumes as well.

Removing the door panel is very easy by just pulling it out, and it locks in place with a magnet.

The Winix 5500-2 feature Smart Sensors that monitor the indoor air quality. Once any pollution detected, the LED indicator positioned above the unit will turn into red for heavy pollution, orange for mild contamination and blue color means zero air pollution.

The Auto Mode will calibrate the 4 fan speed according to how heavy the pollution is.

There is a Timer that you can set from 1/4/8 hours. It is advised to turn run your air purifier for more than 12 hours to ensure the air quality is clean and safe from any allergen if you are allergy sufferer.

If you are concern about the LED lights will remain bright in the dark, no worry because it has Auto Dim feature that automatically adjusts the brightness according to ambient light in your room.

It even comes with a remote control that gives you more convenient to control from a distance.


Winix Area Covered and Performance

Maximum square feet coverage for this Winix 5500-2 unit: 360, its about 19 x 19 feet

CADR Pollen Score: 246, Dust: 243, Tobacco Smoke: 232

Air purified cycle per hour: 4.5

When turning on the Sleep Mode, it runs with low fan speed that produces quiet whisper noise.

It works well removing odor, especially cigarette, cooking smell, furniture odor, and pet’s odor. It primarily performed better than common sponge type of carbon filter.

Many users reviewed this air purifier significantly reduced their allergies issues.

Filter Maintenance

This unit has a filter change indicator. Meanwhile, before the replacement time is up, you should maintain it to extend its lifespan by vacuum your first and second filter to remove any dust and hair on the surface, so the airflow remains consistently strong.

The AOC filter and the True HEPA usually will need to be replaced once a year.

You can find the replacement filter for 5500-2 in a 2-in-1 package that is much convenient for you. It cost around $80 or less at Amazon.


This is the best bang for buck air purifier that performed well in all aspect including eliminating odor, airborne pollutant and supported with smart technology that most of us will appreciate.

Moreover, it priced at below $150, and you can hardly find any other air cleaner that features the same spec with this range of price. Also, this fantastic unit gets lots of positive reviews and a high rating.

Check out the Winix 5500-2


  • Great value for money
  • Great for dust, pollen, allergies and odor
  • True HEPA filter
  • High quality AOC carbon filter
  • Designed to remove chemicals from the air
  • Washable carbon filter
  • Powerful air flow
  • Energy Star Certified
  • Quiet


  • Cord is quite short - around 5 feet
  • Only 1 year warranty
  • Reportedly by users that remote control not working well

4. GermGuardian AC4825 Air Cleaner - Best Inexpensive Air Purifier for Office and Study Room

Highlights: low-budget air cleaner, quiet operation, works best in small spaces

This is a most recommended air purifier that wins in Price aspect of being the most affordable device. Plus, it comes with an awesome True HEPA filter and UV-C light that eliminate all bacteria and viruses.

Filter and Features

The GermGuardian features 3-in-1 cleaning system:

You have the flexibility to control the UV light as there is a button for you to on or off it.

One of the big pluses of this air purifier is the control panel interface which is very simple and intuitive as there is only fan speed setting, UV button, and on/off button.

Moreover, it weighs 7 only pounds, you can move it to a different room easily.

Warranty : 3 years


Area Covered and Performance

This air cleaner is suitable for a small medium-size room up to 155 square feet, however, our recommendation 100-125 sqft for optimum air cleaning

CADR smoke: 100+ estimation which surpasses the requirement set by Association of Home Appliance Manufacturers (AHAM). At the same time, it is energy efficiency as it exceeds Energy Star standard.

Note: Clean Air Delivery Rate (CADR) is a standard that measures an amount of all particles removed from the air by cubic feet per minute.

It runs silently with 3-speed setting fan - low speed runs quietly in the room but still slightly noticeable. The higher the speed, the louder it gets.

Filter Maintenance

All filter and UV-C bulb are replaceable. The Air Cleaner AC4825 has a light indicator to let you know when to replace filter and UV bulb. You don’t have to mark down the due date.

Charcoal pre-filter needs to be replaced every 6-9 months.

UV-C bulb needs to be replaced about every 12 months.

All True HEPA filter usually needs to be replaced after 12 months.


The GermGuardian AC4825 is one of the most popular and best-selling air purifiers in the market. Not only it comes with a low price tag, but the AC4825 also performed very well in any small room.

The AC4825 air purifier is very easy to maintain and use; however it does not come with any convenient feature such as auto timer, air quality indicator, so the fan speed adjusts accordingly.

The AC4825 is effective in eliminating airborne bacteria viruses and finest particles, however, removing the heavy odor is just average. If the smell is your main concern, you might want to opt for Levoit LV-PUR131.

Check out the GermGuardian AC4825


  • Equipped with True HEPA
  • UV-C eliminates bacteria and viruses
  • Low-budget price range
  • Intuitive control
  • Small, Light and portable
  • Energy Star Certified


  • Quiet but slightly noticeable if you place it in your bedroom.
  • Small are coverage
  • Not very powerful
  • No remote control
  • No Air Quality Indicator
  • No Timer

5. Levoit LV-PUR131 Tabletop Air Purifier - Most Quiet Air Purifier for Baby

This is one of the excellent air cleaners for moderate living space that would perform well in purifying airborne pollutant and odor. It has minimalistic and glossy white color design with sturdy built. A great unit you can opt for that comes in an affordable price range.

Filter and Features

From the top surface, there is easy to use LED controls that include the power button, display, sleep, fan speed, timer, and LCD display in the middle.

The LV-PUR131 operates with three filtration stages:

With an affordable range of price, the LV-PUR131 feature smart technology, the air quality indicator. The 3 fan speed will switch to higher gear whenever there is air pollution detected. To activate this just press on the AUTO button.

Thanks to Sleep Mode this will enable the air cleaner to produce whisper quiet fan speed which is hardly noticeable during your sleep.

This air cleaner equipped with Timer as well and you can set the time in between 1 to 12 hours. It is recommended you to let your air purifier operate at least 12 hours to keep your indoor air fresh and clean from any airborne pollutant.

Many would appreciate the small details of the design but what is more significant is the small holes of an air vent. This will definitely avoid any risk from any object drop in and damage the fan especially with children at home.

Is this 100% ozone-free air purifier?

Yes, this machine does not use any ionizer or UV light if you are particularly worried it might affect your health although most of the ionizer features from air purifier is safe to use and certified by CARB standard.

Warranty: 2 years and lifetime support from the manufacturer.


Area Coverage and Performance

Cleaning performance is above average among the test scores. The CADR received a rating of 135 which means capable of handle up to 322 square feet of room area. Covering the bedroom and small apartment living room is sufficient.

Airborne particles able to reduce up to 90% after 30 minutes operation of air cleaning, which is great as a result but the top brand competitor such as coway and Honeywell easily achieve 99% result as the comparison.

Its performance reducing odor is distinctive keeping cigarette smell at the minimum, entirely removes pets odor and cooking smell as well. Moreover, it has a thicker carbon filter compare to other conventional units.

The design is very well built with noise-dampening vents, it is one of the quietest air cleaner available. Even with the high fan speed setting, the noise is hardly noticeable unless in a quiet room.


Filters need to be replaced once every 6 months according to the manufacturer. To extend the lifespan of your filter just vacuum the surface that is full of dust and hair.

Do take note the pre-filter is not washable. Just gently vacuum or wipe it off with a brush.

The filter will cost you $35, and fortunately, there is bundled 3-in-1 filter replacement that will keep the performance consistent.

Operation of the Levoit LV-PUR131 is quite cheap about $8.00 per year with the low-speed fan setting that uses 0.015kWh/hour.


The Levoit LV-PUR131 air purifier performed very well in powerful cleaning and night mode for whisper quiet operation to ensure you sleep well all night long.

Considering this unit is within the affordable price range, it features 3 stage filtration, 3-speed fans supported by auto mode and timer surely worth the value for money compared to more expensive air purifier that comes without the convenient features.

This is the right air purifier for you if you’re looking air cleaner able to purify odor, fine particles and airborne pollutant, and pets hair. Placing it in your bedroom will great to keep your respiratory system clean.

Check out the Levoit LV-PUR131


  • Quiet operation
  • 3 filtration system
  • Easy to use
  • Powerful filtration
  • True HEPA filter
  • Great for allergy sufferer
  • Sleep mode
  • Energy efficient
  • Auto Mode
  • Timer - 1 to 12 hours


  • Not the best interms cleaning airborne particles
  • Doesn’t work the best in larger spaces
  • Only 2 years warranty
  • No remote control

6. Whirlpool WPPRO2000 Large Air Purifier - Most Powerful Air Purifier for Smoke and Allergies

This is one of the most powerful air purifiers from Whirlpool and able to thoroughly clean the air up to 500 square feet room in just 13 minutes.

Filter and Features

The Whirlpool WPPRO2000 equipped with True HEPA that capable to capture mold, dust, filter fine particles indoor up to 99.97% as fine as 0.3-micron size of air pollutants.

Moreover, it uses the five-stage filtration system with True HEPA, plus the Activated Carbon with Pre-filter.

Rest assured this air purifier Ozone-Free and now you can use the air cleaner run for long hours because its safe and you can place it nearby you or your children with a peace of mind.

It features Timer Auto-off where you can set 2/4/6/8 hours. However, it is recommended to run 8 hours or more to ensure your house air quality is purified and pollution-free all the time.

Not only this Whirlpool purifier looks sleek and beautiful, but the control panel is also intuitive as well that features Advance Electronic control (Smart Screen Touch).

With a written name on each control symbol its easy to adjust and control such as the timer, fan speed, night light, and filter status.

At the bottom of the air purifier, there are LED light which is Air Quality Monitoring system that works as a sensor.

Whenever it detects air pollution in minimal level, it turns in yellow color, and the fan speed goes higher and red means high pollution level; therefore, the fan run at the most top speed to clean up immediately until to turns back to blue which means the air is clean.

Besides that, it has built-in reliable (Air Quality) VOCs sensor to remove VOC odor if it presents in the house.

If you’re planning to place it in your room, it has a night light for you to switch to therefore it will not interrupt your sleep.

The Whirlpool air purifier uses Magnetic Latch Front Grill as Filter Door Safety Switch so to keep your children safe from it.

This air cleaner machine weighs at 22.4 lbs.


Warranty: 5 years

Area Coverage and Performance

It can thoroughly purify air within the room in 13 minutes or nearly 5 air cycle for an hour time which is indeed a powerful air purifier for a large room up to 500 square feet.

CADR Pollen: 328, Dust: 328.5, Smoke: 328. This air purifier is suitable for the asthma sufferer, sensitive to mold or allergen and pets in the house.

The air cleaner runs with 4 fan-speed option from the low med high turbo. It is adjustable via toucher screen button or just let it run conveniently by auto mode.

If you are concern about noises during your sleeping time, no worries, it features Whispure Quiet and Quiet Partner System which is build to produce low noise level during operation.

The Sleep Mode is to ensure you experience no disturbance and breathing fresh air at the same time.

Whirlpool WPPRO2000 Maintenance

As the manufacturer recommendation, the carbon filter needs to be replaced every 3 months for optimum performance. However, you can prolong the lifespan by just vacuum it to remove any dust on the surface.

The True HEPA is recommended to be replaced every 12 months.

The filters are very easy to change by just simply remove the front guard and just clean the inside chamber as well.


Whirlpool WPPRO2000 Air Purifier is one of the quietest operation air cleaners in the market. The performance is amazing purifying and suitable for anyone who has pets at home, allergy and asthma sufferers.

The powerful Whirlpool air purifier can reach up to 5 cycles air cleaning in an hour but rest assured its energy efficient with Energy Star approved.

With price range slightly above $300 definitely worth value for money. Using this machine is very convenient, just turn on the power and let the auto mode and sensor handles the air quality most of the time.

Check out the Whirlpool WPPRO2000


  • Worth the value for money
  • Nice design
  • Whispure Quiet and Quiet Partner System for sleep mode
  • Powerful to cover up to 500 squarefeet and nearly 5 air cycle.
  • Uses reliable True HEPA filter
  • Air Quality sensor and VOC sensor
  • Timer
  • Safety lock system
  • Ozone free
  • Energy Star approved
  • Long Warranty period (5 years)


  • Big opening for air output might risk object fall and damaging the fan
  • The carbon filter does not hold a lot of carbon so not highly efficient removing strong odor.
  • True HEPA filter is quite expensive priced around $80 but due to its large size and worth for investment up to 12 months usage.

7. Alen BreatheSmart Large Air Purifier - Best Air Purifier for VOCs, Asthma and Pets

The Alen BreatheSmart is one of the best air purifiers for larger living space up to 1100sqft. It has advanced technologies in cleaning capabilities on impurities and 14 variety of colors to match your house interior. Although it is expensive, it offers a worry-free lifetime warranty.

Filter and Features

The Alen BreatheSmart offering four different types of filter for different purification needs for you to select:

We must say overall either one of this filter is very thick compared to others in the market which is a good sign of efficiency of capturing and eliminate pollutants.

Setting up the BreatheSmart is very easy, and it has an intuitive control panel as well located right above the surface.

Just simply turn it on and select the AUTO button to let the air cleaner machine to handle the air quality of your room without any hassle. It will regulate with the four fan speed according to pollution level detected, and it will back to lowest speed once the air is clean.

Moreover, it has SmartSensor technology that would detect any airborne pollutant. If there is slight pollution detected, it will turn to pink color. If the pollution level is high, it turns to red. Once the purification process is done, it will switch back to blue color.

This air purifier equipped with Timer if you wish to set it according to your needs.


Alen BreatheSmart using HEPA filter instead of True HEPA. However, the filtering efficiency is still far higher than a standard filter. The effectiveness of capturing 99% of particles up to 0.3 microns or larger such as dust or dander.

The standard HEPA-Pure filter is not effective in removing chemicals and strong odors. You will need to purchase other option of filter capabilities separately.

This air purifier is quite large and heavy weighs at 21lbs. Therefore it is not convenient to move it around. However, there is a smaller unit of BreatheSmart, known as the BreatheSmart FIT50.

Area Coverage and Performance

The BreatheSmart air purifier capable of covering up to 1100sqft room with 300 CADR per Entry Star Test. That would be two air purification cycle and 5 air purification cycle at 440 sqft room.

The noise with WhisperMax technology to ensure your sleep has no sound disturbance. Although it produces already-whisper-quiet noise around 41.5 dB at the lowest speed, it sounds like the frequency of pink noise which promotes better sleep.

The BreathSmart air cleaner has an option to activate ionizer, how it works is oxygen atom will be charged with positive and negative ion after they go through the ionizer, which then sends the molecules to the indoor air. The Ion then attracts pollutants, fine particles together for easier capture into your filter.

Therefore the air quality in your house is much better and fresher to breathe without any dust, mold, bacteria from entering your lungs.

Is it SAFE to breathe the air with ionizer turn on all the time?

Yes, the BreathSmart air cleaner is certified by California Air Resource Board(CARB) and to qualify the test, the air purifier must not produce a limit of 0.050 parts per million in emission. It is safe even for children and those who have sensitive lungs.

You have an option to turn it off if you do not wish to use it.

Moreover, the Alen BreatheSmart included a 60-day Allergy Relief Guarantee. If your difficulty in breathing is related to allergy has not reduced after using this unit, the manufacturer will fully refund together with shipping fee.

Overall the BreatheSmart cleaning capabilities are great by removing fine particles, and you will feel the air is fresher compared to previous days without it. Moreover, eliminating ambient odor works very well in a short period of time including pet odor from big sized dog such as German Shephard breed.

Many verified users had positive feedback review about how their allergy problem has gone or reduced tremendously.

BreatheSmart Maintenance

The Hepa filter is recommended to be replaced after 9 months. There is an indicator of filter life to alert you.

The cost of optional filter replacement as up to this review:

  • HEPA-Pure - $59
  • HEPA-Silver - $79
  • HEPA-FreshPlus- $89
  • HEPA-OdorCell- $109


The Alen BreatheSmart is an excellent device in making sure your house is free from air pollution. It is the right air cleaner to own if you have a large living room and the advanced feature makes your life easier without the need to manage the unit fan speed due to the smart sensor.

Although this air purifier is at the high-end range that comes with a hefty price tag, what makes me personally feel its worth for investment, is the part where lifetime warranty is covered, included with Allergy Relief Guarantee.

With robust functionality, cleaning capabilities and customizable design, all I can say are, it’s definitely one of the best overall air purifier in the market if money is not an object for you.

Check out the Alen BreatheSmart


  • Nice and Modern design
  • Lifetime warranty
  • Intuitive control panel
  • Allergy Relief Guarantee - 60 days
  • Area coverage is up to 1100 sqft
  • Energy Star rated
  • CARB certified for safety measure
  • Customizable different filters and colors of the door panel
  • Quiet operation via WhisperMax technology


  • Hefty price tag
  • No remote control
  • Not equipped with True HEPA.
  • You have to purchase different filter that works different filtration.

8. Honeywell HPA300 Air Cleaner - Best Reliable Air Purifier for Dust, Odor and Haze

The Honeywell produce a wide range of air purifiers for different size of the room. They are reliable and popular brand specializing in air purifiers.

The HPA300 is one of the best air cleaners for any airborne substance that causes allergies. It has a high rating and works incredibly well keeping your home circulate with cleaner and fresher air.

Filter and Feature

The overall design looks simple with black matte color but does take note that this air cleaner is huge. The dimension is 20 x 10.83 x 22.32 inches.

The HPA300 features 4 fan speed cleaning levels known as Germ, General Clean, Allergen and Turbo.

Do take not that the fan speed is from low to turbo according to the name given on the button. I personally feel that fan speed setting with the number of low to high would make much more sense.

You will have to manually set the fan higher whenever you felt there is dust or allergen appear in the air because there is no sensor or auto mode.

The cleaning system consists of 2 stage filtrations:

The HPA300 air purifier is very effective in removing allergen, dust, mold, pollen, and smoke. Therefore it is very suitable for those who suffer from allergy and this air purifier will produce clean air which is healthy for your respiratory system.

Auto shut-off Timer feature is available in this unit: 2,4,8 hours. I would always recommend to let your air cleaner machine to run for more than 12 hours daily to keep your indoor air fresh and clean at all time especially if you are allergy sufferer.

If you’re in the dark room and concern the led light is distracting you, there is a dimmer button for you to dim it down while you are sleeping or watching tv in living room.

One of the great benefits of getting this HPA300 air purifier is the worry-free five years warranty.


Area Coverage and Performance

With AHAM verified according to their standard and CADR: tobacco smoke, 300 dust: >320, pollen>300.

The HPA300 air cleaner filters and the turnover rate is 5 times per hour which is powerful enough to cover large room up to 465 square feet or 21 x 22 feet sized room.

The air suction is from the front grill and releases clean, fresh air on the top.

The Honeywell HPA300 is doing an excellent job of removing dust, fine particles, mold, pet dander, and allergen that many users had given positive feedback of how they are pleased and satisfied with the result keeping their house clean and minimize their allergy issue.

Being certified by the Energy Star, it is undoubtedly energy efficient. On the low-speed setting, it uses 40-watts, second speed, it uses 70-100-watts, while the highest uses about 130-watts.


The manufacturer recommended replacing the pre-filter once every 3 months for optimum performance. However, you can extend the lifespan a little by vacuum the pre-filter to reuse again.

There is an indicator light that will alert you when it is the time to replace with new filters. Each of them has their own indicator light.

The prefilter carbon is very cheap that cost under $10 only.

True HEPA filter can last up to 12 months before it needs to be replaced.

When replacing your True HEPA filter, do take note that you should select the 3-pack on the box that cost under $60 only. There is another selection of buying just one or two HEPA filters that you need to avoid.


The Honeywell HPA300 is one of the best seller air purifiers in the market due to its excellent performance. Although it does not feature any smart technology like others, it has a powerful fan and capability of cleaning the air indoor up to 99% effectiveness.

Besides that, the HPA300 air purifier’s operation noise level is quiet, not whisper quiet but exceptionally better than other larger air purifier in the market.

This is a great air cleaner for you if you are looking to get clean air free from dust, mold, pollen, and dander. However, if you are seeking for smart technology and ionizer, you can opt for Coway Mighty.

Check out the Honeywell HPA300


  • Powerful air flow and produce 5 air purifying cycle in an hour
  • Great in capturing fine particles, hair, pollen, dust, and dander due to wide surface suction
  • Quiet operation
  • Worry free 5 years warranty period
  • True HEPA filter
  • Easy to use
  • Light dimmer
  • Low maintenance cost
  • It has Timer


  • There is some review complaining about difficulty of closing the cover.
  • No remote control
  • No Smart technology
  • No auto mode
  • Not effective eliminate heavy odor but able to minimize it.

9. PureZone 3-in-1 Tabletop Air Cleaner - Best Air Purifier for Germs, Dust and Odor

PureZone is a California based company, and this air cleaner unit is somewhat new in the market. It looks sleek and stylish with a glossy white finish that will complement your living room or in your bedroom wall.

Filter and Features

The unit dimension is quite compact measured at 13.6 x 12.2 x 8.4 inches suitable to be placed on the table top and it only weighs at 8.45 pounds which easy to move it around your house.

The air suction is at the front door panel, and the air vent is right above around the control panel.

PureZone is wise to create a small hole between the grill for air vent to avoid children dropping any small object into it.

The PureZone air purifier uses the 3-in-1 filter system to effectively clean all particles, bacteria, and odors in your room, so your respiratory system stays healthy all time.

UV-C light is the advanced filtration system to destroy bacteria, germs, and viruses.

The timer is available in this unit. Very convenient feature to set your preferred timer at 2/4/8 hours for energy efficiency.

I always recommend anyone with allergy issues is best to run your air purifier unit at least 12 hours a day to minimize airborne pollutant.

You can always shut off the Blue Light if you found it irritating when you sleep at night.

With this simple feature equipped in the PureZone compare to the advanced air purifier with smart technology, many users reviewed that they are more than satisfied with this unit that able to deliver exceptional results in a smaller room. Moreover, it cost only below $100.

5 years Warranty is what you get once you decided to purchase this unit. It is longer compared to high-end air cleaner such as Coway and Rowenta which only comes with 1-year warranty.


Area Coverage and Performance

The PureZone capable cover area up to 200 sqft which is suitable for bedroom, kitchen, study room or for small apartment living room.

The PurZone operates at whisper-quiet operation. For those who are concern with noise, it produces during sleeping time, no worries because with 30dBA noise level, you will get a quality sleep meanwhile breathes in clean, fresh air.

The noise level is quiet even with the second fan speed setting that produces only 40 dBA that you won’t notice it at all. While the highest fan produces 50dBA.

This unit performs very well in removing dust in a room as dust did not appear much on the table surface or anywhere on the floor for more than 3 days.

Many users reviewed that it effectively minimize allergy issues, especially during the summer and fall season. The UV-C works well eliminating all bacteria and True-HEPA is very thick to trap any allergen that passes through it.


The UV light maintenance is low cost, and its lifespan will last up to 20,000 hours.

The replacement filter indicator will alert you once it reaches 6 months duration. Meanwhile, at least once a month you should remove the pre-filter and carbon filter to be clean out with vacuum and remove any dust and hair on the surface to prolong its lifespan.

The filter replacement comes with very low price with only $15 for 3-in-1 package filter.


Overall this low budget air cleaner under $100 is indeed worth value for money that produces excellent results as expected.

Although there is no smart feature equipped in this air purifier, the PureZone is no ordinary basic air cleaner. The strong reason why you should get this unit is due to UV-C features, True-HEPA filter, compact design and low cost for maintenance.

However, if you have severe allergy issue and particular about having stronger flow for more filtration cycle, I would recommend you to opt for Winix 5500-2 (budget range), Coway Mighty (Moderate price) or Rowenta PU6020 (High End).

Check out the PureZone 3-in-1


  • Low budget air cleaner
  • Small footprint
  • Quiet operation - 30dBA
  • LED light can be shut off
  • Intuitive control panel
  • Portable due lightweight
  • True HEPA
  • Stylish design
  • Long warranty period - 5 years


  • No remote control
  • No air quality indicator
  • No auto mode
  • small air flow
  • small area coverage

10. Levoit LV-H132 Compact Air Purifier - Best Tabletop Air Purifier for Bedroom

The Levoit LV-H132 air purifier model is entirely new in the market. With its small size, it works best in small room and eliminates fine particles and odor effectively.

Filter and Features

The first impression about this air purifier is the design that looks sleek and stylish with glossy white housing that could fit anywhere nicely in your room.

The Levoit air cleaner uses effective 3 Stage Filtration System:

This air cleaner does not feature ionizer; however, it is 100% Ozone free, many consumers that concern it would bring potential hazard to their health would appreciate without it.

This small unit size with only 14 inches high can be placed on the desktop and weighs under 7 pounds which easily to move it around.

If you’re sensitive towards light during sleeping, no worries as this LV-H132 has dimmer Nightlight with 2 brightness level.


Warranty: 2 years with lifetime support

Area Covered and Performance

This air purifier works best in size of 90 square feet as according to CADR. It is suitable for office room and your bedroom.

It does remove odor effectively especially tested with cooking and furniture wood smell however if you’re a heavy smoker, paint smell is not sufficient for Levoit compact air cleaner to remove it entirely.

It features a 3-speed fan. However, you have, and there is no Auto Mode for this unit.

Does Levoit operate quietly?

Yes, with the lowest fan speed, it produces around 40 dB, which means its very quiet. Many users review that with a speed of 1 or 2, the noise is barely noticeable and they can sleep tightly without any disturbance.

Filter Maintenance

Fortunately, maintenance is quite cheap with this air cleaner that cost around $30 a piece of 3-in-1 filter.

The filter on average needs to be replaced every 6 months


The Leviot LV-H132 is a low budget air purifier that comes with larger device’s filter technology. At this price point, you can hardly find any air purifier that comes with three filtration system which includes the fantastic True HEPA.

It can effectively remove household odor but not heavy chemical odor, and fine particles as well. The control and usage are very intuitive, and it produces whisper quiet operation.

Besides that, it is best to place this unit at 90 sqft room and below. Anything more than that, might not suitable and you can opt for the larger air purifier that comes with an affordable price, the Levoit PUR131 or winix 5500-2 at $150 price range.

Check out the Levoit LV-H132


  • Good looking design
  • Worth value for money
  • Works well removing indoor odors
  • 3 filtration system
  • Low maintenance cost
  • True HEPA filter
  • Light and compact
  • Quiet Operation


  • No Ionizer
  • Not Energy star certified
  • Not suitable removing strong odor
  • No remote control
  • No Air Quality Indicator

How To Choose The Best Air Purifier? Air Purifier Buying Guide

The indoor pollution is mainly due to the increasing usage of household chemical, personal care, furniture fumes, carpet dust, household electricals, VOCs, formaldehyde, cooking gas and many more.

The purchase factor you need to take into consideration is price, area coverage, a particular pollutant to get rid, basic vs. advance features and size of the unit.

Does air purifier work?

Yes, the air purifier is extremely effective in capturing more than 99% impurities that spread through air column. Averagely we spend approximately more than 12 hours staying at home which our health is vulnerable to indoor contaminants that may cause respiratory disease in long-term.

Besides that, the air purifier is great to minimize dust level from circulating around indoor that usually trapped at upholstery, top furniture, carpet, and electrical products.

There are several factors you need to take note before selecting the right air purifier for your needs, home space, and air condition level.

Air Purifier Filters

Air Purifier Advance Filtration System

Air Purifier Smart Technology

Air Purifier Area Coverage

Make sure that the air purifier you are planning to buy is powerful enough to cover your room size. The larger area it covers the faster air cleaning cycles will take.

Typically one full cycle of air purifying will take around 13-15 minutes. The best you can get is 4.5 to 5 cycles of air filtration per hour. To find out how much the size of capacity the air cleaner can cover in your room.

Do take note the size of your unit as well that usually comes with bigger size if it has a powerful motor. Make sure you have enough space for your unit.

CADR (Clean Air Delivery Rate) is a standard to measure the amount in cubic feet that air can be filtered in a minute. It usually measures the capability to filter pollen, smoke, and dust and the score is certified by the Association of Home Appliance Manufacturers (AHAM).

How Quiet Is the Air Purifier?

If you’re planning to place your air purifier in your bedroom, it is essential to know what is the noise level it produces when it’s running especially at low speed.

The most whisper quiet you can get that measure around more or less 30 dBa. Or else look for the unit that features Night Mode that usually gives you no disturbance during your sleeping time.

Air Cleaner Warranty

The warranty period is essential where you wanted to use it worry free without needed to fork out additional money when you encounter any unwanted issues.

Some brands are generous enough to provide warranty coverage for up to 5 years such as Honeywell and Whirlpool. Alen BreatheSmart provides a Lifetime warranty.

Some of the well-known brands we reviewed such as Rowenta and Coway only provides a 1-year warranty. However, based on positive reviews and many users highly praise of its build quality and durability is one of the factors you should take into consideration.

Other Features

Final Thoughts

I personally think that everyone has different needs an air purifier. Some may have a severe allergy they are more suitable with Rowenta or Alen BreatheSmart.

If your house has pets and you wish to minimize pet’s hair scattered around your home and remove pet’s odor may need Honeywell HPA300 or Whirlpool wppro2000. It is the right air cleaner for you that has powerful airflow to clean the entire 500sqft room.

After going through my list that I have rounded up which I considered the best air purifier in the market, I hope it will narrow down your choice and quicken the process of your consideration to purchase.

Back to Best Air Purifier list above

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