10 Top Rated Best Air Purifier for Large Rooms (300 sq. ft. – 1500 sq. ft.)

Do you want to keep your large rooms at home or office as much clean as a natural place? A dusty or wildfire environment inside the room may cause eye problems and other health issues. Luckily,  Air purifier is a great invention in our modern era.

The Best Air Purifier for Large Rooms keeps your room clean and allows you to breathe naturally. A large room inside the home requires a high volume of air. You can improve the indoor air quality of your home by choosing a premium quality air purifier for your room. Some great air purifiers are capable of vanishing all types of dust including cigarette smoke, allergens, pet dander, organic compounds, and other harmful allergens.

There are several options available while choosing the best air purifier for large rooms. We have come up with the top 10 air purifiers for large spaces. We have evaluated all these products properly with an adequate test.

Coway Airmega 400

Coway Airmega 400– Our Top Pick

The most powerful air cleaner machines
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Base Comparison Table Of Best Air Purifier for Large Rooms in 2021

In this comparison table, you will come to know about the difference between the products. Here, we have shown the distinctions of capacity and filter system of the products. They will help you choose the most suitable one for you quickly. Let’s have a look: 

Image Product Details   Price
Oreck Response Air Purifier Oreck Response Air Purifier Dimensions: 9.1 x 16.9 x 20.7 inches
Coverage: 310 sq. ft.
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SHARP Triple Action Plasmacluster Air Purifier SHARP Triple Action Plasmacluster Air Purifier Dimensions: 15.8 x 11.4 x 24.8 Inches
454 sq. ft.
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Filtrete Room Air Purifier for Extra Large Rooms Filtrete Room Air Purifier for Extra Large Rooms Dimensions: 27.5 x 20 x 9.3 Inches
Coverage: 370 sq. ft.
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Honeywell HFD-120-Q QuietClean Oscillating Air Purifier Honeywell HFD-120-Q QuietClean Oscillating  Dimensions: 10.4 x 9.65 x 28.74 Inches
 up to 170 sq. ft.
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Dyson Pure Hot + Cool Link HP02 Wi-Fi Enabled Air Purifier Dyson Pure Hot + Cool Link HP02 Wi-Fi Enabled Air Purifier  Dimensions: 8.7 x 6 x 24.88 Inches
 up to 300 sq. ft.
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GermGuardian AC4825E Germ Guardian True HEPA Filter Air Purifier  Dimensions: 9 x 5.5 x 22 Inches
 up to 167 sq. ft.
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Winix 5500-2 Winix 5500-2 Air Purifier  Dimensions: 15.00 x 8.20 x 23.60 Inches
up to 360 sq. ft.
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_LEVOIT LV-PUR131 Air Purifier  LEVOIT LV-PUR131 Air Purifier  Dimensions: 14.5 x 7.2 x 18.5 Inches
up to 900 sq. ft.
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Coway Airmega 400 Coway Airmega 400 Smart Air Purifier  Dimensions: 14.8 x 14.8 x 22.8Inches
up to 1,560 sq. ft.
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Hathaspace Smart True HEPA Air Purifier 2.0  Hathaspace Smart True HEPA Air Purifier Dimensions: 9 x 16.5 x 27 Inches
 up to 1500 sq. ft.
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whether you’ll look for a quality air purifier to keep yourself safe from the dust, smoke, and other germs. You’ll be confused to pick the right option among those available purifiers. Fortunately, we did some sort of research to help you in making a precise decision.

1. Oreck Response Air Purifier—Overall Best Air Purifier for Large Rooms

Oreck Response Air Purifier


  • Suggested Room Size: 310 sq. ft.
  • Number of filters: 2 Filters 
  • type: genuine carbon pre-filter; HEPA filter
  • Maximum noise level: very low
  • Dimensions: 9.1 x 16.9 x 20.7 inches
  • Warranty: 2-year limited warranty
  • Additional Features: Air quality indicator bar; replacement filter indicator; Built-in timer; Dust sense technology

If there any product that can tackle its first impression then it would be this Oreck Response Air Purifier. It comes with three varieties of air purifiers. The carbon pre-filter is capable of capturing a large number of particles. It can also remove a small number of odors. On the other hand, the HEPA filter eliminates finer dust, spermatic fluid, and other harmful ingredients from the air.

The VOC filter removes a large number of odors and improves the quality of air inside the room. It also has 3 fan speeds to increase or decrease the strength of air cleaning. The dust sense technology allows the machine to automatically observe, identify, and respond to the particle in your air. Other than this, it has also silenced technology to provide sound-free operation so that you can concentrate on your work and sleep peacefully.

The large room air purifier includes a filter replacement indicator to notify you when it’s time to change HEPA Media and odor filters. You can set a timer for 2, 4 or, 8 hours and the machine will automatically turn off after the specific time. It is because of the built-in timer feature. Large rooms like open layouts and studio apartments are perfect to use this device. It can cover up to 310 square feet.

By circulating nearly every 12 minutes, it removes dust and other harmful elements efficiently. The circulation rate mainly depends on room size. The powerful 2-stage filtration reduces the particle about 0.3 microns in size.

Besides, it has an air quality signal bar. It will change its color to notify so that you can know the number of particles in your air. It is not loud at all. Even if you operate it at high, you don’t have to worry much since it is very user-friendly. It will provide fresh and clean air to breathe peacefully.

  • The machine has dust sense technology to remove dust efficiently.
  • It has HEPA media and carbon filters for maximum air purification.
  • The air purifier has quite an operation for optimal use.
  • It has a replacement filter indicator to change the filter.
  • It is perfect for large indoor rooms.
  • The replacement filters are a little expensive.

Related post: Air Purifier for Traffic Pollution

2. SHARP Triple Action Plasmacluster Air Purifier—Best Air Purifier for Large Rooms to Remove Mold

SHARP Triple Action Plasmacluster Air Purifier


  • Suggested Room Size: 454 sq. ft.
  • Number of filters: 3 Filters
  • type: Activated carbon pre-filter; True HEPA filter; Micro screen pre-filter
  • Maximum noise level: 23 dB
  • Dimensions: 15.8 x 11.4 x 24.8 Inches
  • Warranty: 1 Year Parts and Labor from Date of Purchase
  • Additional Features: Auto mode and air quality sensors; “Micron Mesh” pre-filter screen.

The Triple Action Plasmacluster Air Purifier has three filters for efficient purification and humidification. It is safe for your health since it has a confident level of safety and ozone emissions. Besides, it has built-in advanced technology to use a natural cleaning process.

The 3 Stage filtration and triple action mechanism will clean your room like the natural place. The first stage simply removes large airborne particles before they can block the next. The machine has an activated carbon deodorizing filter on the second stage.

It helps to remove most odors and other gasses that can’t be removed even by a HEPA filter. The last stage is a True HEPA filter that is common for all air cleaners. It is one of the most essential filters for any air purifier. It is highly efficient to clean 99.97% of particles from 0.3 microns.

What makes this big air purifier different from other machines, is its ability to remove dust particles, spermatid, pet wrath, viruses, and bacteria in one release. This is why it is perfect for any house. You don’t have to worry even if you have any pets around your house. It can even control and remove any bad scent.

Moreover, it is capable of removing smoke and odors from air to smell fresh. The fan of the machine hardly makes any sound. You will not feel any disturbance while sleeping or doing your duties. The three-stage operation ensures the most comfortable and well-heeled air quality.

Moreover, it has smart sensors that are capable of monitoring the quality of air. It automatically adjusts its fan speed and humidity levels for the best performance. You don’t have to buy any additional air cleaner since it is suitable for seasons.

It has an LED screen to display air quality on the front panel. You will not feel any doubt about the durability of the product since it is well built from sturdy materials.

  • The machine has triple filters for maximum air purification.
  • It is comfortable to use for all seasons.
  • The air purifier has both particle sensors and humidity sensors.
  • Its filters are long-lasting and durable.
  • It has automatic humidity control based on room temperature.
  • It doesn’t come with any timer function.

Related post: Best Air Purifiers For Basements

3. Filtrete Room Air Purifier for Extra Large Rooms —Most Powerful HEPA Air Purifier for Large Rooms

Filtrete Room Air Purifier for Extra Large Rooms


  • Suggested Room Size: 370 sq. ft.
  • Number of filters: 3 Filters
  • Type: True HEPA filter; Pre-filter
  • Maximum noise level: 27.8 dB
  • Dimensions: 27.5 x 20 x 9.3 Inches
  • Warranty: 2 year
  • Additional Features: Soft touch control; Built-in electronic filter change indicator

Filtrete Room Air Purifier is termed as state-of-the-art filtration technology. It is capable of removing airborne particles from the air surrounding your room. It has a more clean air delivery rate than other air purifiers and it provides fresh air. It is suitable to use for large rooms up to 370 sq. ft. 

The TRUE HEPA filter holds a 99% filtration rate of massive particles. You won’t be able to see it with naked eyes. Even if you have general allergies or breathing difficulties, you will be safe. The filtration power of the air purifier is very impressive.

It is capable of removing most of the airborne particles including viruses, bacteria, dust, ultrafine particles, and so forth.

The air purifier features a built-in electronic filter change indicator. It will let you know the replacement time of the filter. Other than this, the air cleaner includes a soft touch control. You can control and adjust the fan speed easily. The run timer will stop the machine when you don’t need to use it. 

You will not face any problem to replace the filter. It is simple and easy to install. There are four fan option settings inside the machine. The higher option allows you to remove airborne pollutants quickly yet efficiently. You can also use the filter manually. It has a great handy chart that tells you how long the filter will last.

The machine contains two pre-filters. You should replace or change it every four months of duration. The HEPA filter can run smoothly around 12 months without any disruption. But you should replace it after 12 months for a better outcome. Even if you need to change before, the indicator will simply notify you. The display light will not bother you as it turns off automatically after some time.

  • The filters are large, thick, and powerful.
  • It has adjustable fan speed.
  • The air purifier is easy to install and use.
  • Replacement filters have a reasonable price.
  • It has a built-in electronic filter change indicator and soft-touch control.
  • It sometimes generates an ozone smell.

Related post: Best Filterless Air Purifier

4. Honeywell HFD-120-Q QuietClean Oscillating Air Purifier —Best Smart Air Purifier

Honeywell HFD-120-Q QuietClean Oscillating Air Purifier


  • Suggested Room Size: up to 170 sq. ft.
  • Number of filters: 2 Filters
  • Type: Pre-filter, True HEPA filter
  • Maximum noise level: 52 dB
  • Dimensions: 10.4 x 9.65 x 28.74 Inches
  • Warranty: 5-year limited warranty.
  • Additional Features: ENERGY STAR® rated; On/off oscillation control; Washable filters; Electronic filter check indicator

The air purifier is loved by many people and its gimmick and performance were widely over with the reviewers. It is no doubt one of the best smart air purifiers ever produced. The sophisticated design of the machine is quite impressive. Honeywell HFD-120-Q includes many premium features.

This air purifier is also popular for air filtration technology. It features 3 cleaning levels. The device captures almost 99% of airborne pollutants including smoke, dust, spermatid, and pet hackles. It mainly collects all the clouds of dust from the air and provides a breathable environment. It has a washable filter that will save you money. 

Moreover, the cost of replacement filters is quite lower than other air purifiers. The machine is capable of trapping airborne particles without disturbing or bothering the flow of air.

It has on/off oscillation control so that you can control it more easily. The device also has three LED indicators to display fan speed. The quality replacement filter helps to eliminate any odor or bad smell from the air.

You don’t have to worry about the performance and durability of the product. It is properly tested by experts for the best efficiency. The cost of the device is quite cheap. You just need to spend some less amount of money to buy this excellent durable air purifier. Moreover, if you consider its air filtration system, it provides a higher value of money than other air purifiers. 

With its moderate fan power, the device can cover a maximum of 170 sq. ft. room. The noise level of the machine is decent. It doesn’t produce excessive sound. With 3 fan speed, you can use it in quiet places like the office or bedroom.

Other than this, there is an oscillation function button to assist you to distribute the air more frequently. You can use this device with no worry since it comes with a 5-year long warranty.

  • The machine features a washable pre-filter.
  • It has a 5-year long warranty.
  • The device has lots of positive customer feedback.
  • It is highly durable.
  • This air cleaner device blows fresh clean air.
  • It has a permanent filter.
  • The power cord is short.
  • Some customers complained that it has a strong chemical odor.

Related post: Best air purifier for pets

5. Dyson Pure Hot + Cool Link HP02 Wi-Fi Enabled Air Purifier—Best Small Air Purifier for Large Room

Dyson Pure Hot + Cool Link HP02 Wi-Fi Enabled Air Purifier


  • Suggested Room Size: up to 300 sq. ft.
  • Number of filters: 2 Filters
  • Type: Pre-filter, True HEPA filter
  • Maximum noise level: 62.5 dB
  • Dimensions: 8.7 x 6 x 24.88 Inches
  • Warranty: 2 years parts and labor.
  • Additional Features: Automatic night-time mode; voice control; powerful heater, Automatic monitoring system

Dyson Wi-Fi Enabled Air Purifier is another impressive air cleaner that has gained a lot of success in the air purifier industry. The air purifier device is regarded by many experts as the top premium quality air purifier in the history of air purifiers and it’s easy to see why.

The device has 3 effective functions. It is capable of removing ultrafine particles including allergens, pollutants, and odors. The HEPA filter eliminates 99% of airborne allergens and particulates from the surrounding air of your room.

Even if it is 0.3 microns size, the air purifier device will clean it. It has another filter named activated carbon filter. It seizes ordinary odors and unstable natural compounds like paint smell. The gadget is safe for people who have asthma and allergy.

Because it is a certified and user-friendly product. Moreover, the manufacturing company has gotten the Quiet mark accreditation award for this amazing machine. The machine comes with additional heat technology. It will keep your room heated in winter. It will also make your room cooler in the summer season. Sounds good!!! The intelligent purification system allows it to do this. This makes it suitable for all seasons.

The device has automatic monitoring systems. You can control and monitor your air purifier through the smartphone app. It is because of having Wi-Fi features. You can also reduce the light power since it has automatic night-time mode. You will feel no disturbance while sleeping or resting. 

The machine features a voice control system. You can command the Dyson air purifier through Amazon Echo and it will work according to your instructions. The device can cover more than 300 sq. ft. room. The operating cost of the machine is quite low. You need to spend a little bit of money on the HEPA and the Carbon filter annually.

  • The machine has both fan settings cool and hot.
  • The instructions are very easy to follow.
  • heater· It has night mode and airflow direction function.
  • The device includes a timer mode to operate at a specific time.
  • The app works great and easy to use.
  • It supports the Wi-Fi network.
  • You need a desk or tool to keep it in the upper place since it is short.

Related post: Best Portable Air Purifiers

6. Germ Guardian True HEPA Filter Air Purifier Best Affordable Air Purifier for Large Rooms

GermGuardian AC4825E


  • Suggested Room Size: up to 167 sq. ft.
  • Number of filters: 2 Filters
  • Type: Carbon filter, True HEPA filter
  • Maximum noise level: 70 dB
  • Dimensions: 9 x 5.5 x 22 Inches
  • Warranty: 3-year limited warranty
  • Additional Features: Clean Air Delivery Rate (CADR); Air purifier tower; UV-C light bulb; LED notification for filter replacement

Germ Guardian needs no introduction anywhere in the world and from the very first product of the brand, the company is dominating the world with awesome collection gadgets and is widely regarded as one of the best highly efficient brands.

With over dozens of air purifier collections in the international market, the Germ Guardian True HEPA Filter Air Purifier sits on the top list.

The height of the air purifier is 22-inch. It is long enough that doesn’t need any desk or tool. It is relatively small in size and has a compact design. This Germ Guardian air purifier for large rooms has some unique features that are absent in other air purifiers. The quality of its fan is quite impressive. It provides excellent airflow.

The machine comes with a double control panel. The machine has a 3-in-1 air cleaning system for best air purification. The activated carbon air filter is capable of removing multiple types of large particles from the air.

It also eliminates odors that came from dogs, household, or smoke. This large area air purifier has also a True HEPA filter to stop germs in their tract. It can capture 99% of infinitesimal allergens, impurities, and germ down to 0.3 microns in size.

The UV-C light bulb takes it another level. It can destroy airborne germ, bacteria, viruses, and microbes. You need to replace the filter every 6-8 months. But it will not cost much money like other air purifiers. It comes with a small size to charge you less.

The coverage area of the device is very impressive. It can cover any medium or large room up to up to 167 sq. Because of being tall, it provides airflow quickly. The machine has 3 fan speeds. The noise level of the fan is not as much as 5 fan speeds. With all the premium features, the machine surprisingly will fit into your budget.

  • The air purifier has UV-C light and True HEPA filter.
  • The replacement filter doesn’t cost much.
  • It blows fresh, clean, and cool air.
  • It is lightweight to move freely.
  • Filters are quite easy to access and change.
  • The LED blue light is too bright for a dark room.

Related post: Best Ozone Air Purifiers

7. Winix 5500-2 Air Purifier Best Rated Air Purifier for Large Rooms

Winix 5500-2


  • Suggested Room Size: up to 360 sq. ft.
  • Number of filters: 3 Filters
  • Type: Carbon filter, Pre-filter; True HEPA filter
  • Maximum noise level: 27.8 dB
  • Dimensions: 15.00 x 8.20 x 23.60Inches
  • Warranty: 1-year limited warranty
  • Additional Features: Light sensor; Air quality indicator; Auto and Sleep mode

Winix 5500-2 Air Purifier is one of the finest and popular names in the air purifier industry. The plasma wave technology makes it wisest choice compared to other gadgets.

The outrange performance of the air purifier is the ultimate definition of high quality and durability. Its gimmick and well-designed look make it eye-catching too. It has a plastic body instead of metal as it needs to be plugged all day long.

The Winix model has five function buttons. The buttons are not too sensitive but easy to press. It has a LED Smart Sensor. The sensor shows 3 various colors according to air quality status. The manufacturing company recommends not to place the machine directly in sunlight. It may disrupt the machine to perform efficiently.

The device has three filters to receive the most breathable air. The pre-filter is mainly suitable to eliminate larger pieces of dust. It also includes an Activated Carbon filter to reduce odors, bacteria, and smokes. Other than this, the unit has a True HEPA filter. It is capable of reducing the large particles up to 99%. 

This air purifier for large rooms contains PlasmaWave technology. It allows you to decrease the number of impurities from the surrounding air. You can turn it off when you don’t need to use it. You will be blissful to know that the device can flow air efficiently up to 360 square feet.

It changes the airflow direction automatically based on your room environment. The gadget includes 5 fan speeds. The maximum noise level is very low, around 27.8 decibels. So it would not disturb you while you are sleeping or working. 

  • The machine is well-designed with advanced technology.
  • It is highly valuable for the price.
  • This device has triple-layered filtration.
  • It is super easy to set up and clean.
  • This unit is extremely quiet.
  • It doesn’t contain any chemical smells.
  • It doesn’t come with an automatic dust sensor.

8. LEVOIT LV-PUR131 Air Purifier — Best Pollen Air Purifier for Large Rooms

_LEVOIT LV-PUR131 Air Purifier


  • Suggested Room Size: up to 900 sq. ft.
  • Number of filters: 3 Filters
  • Type: Pre-filter, True HEPA filter; Activated Carbon Filter
  • Maximum noise level: 27 dB
  • Dimensions: 14.5 x 7.2 x 18.5 Inches
  • Warranty: 1-year basic warranty
  • Additional Features: Auto mode; Smart sensor; Timer; Filter replacement indicator

In the modern era of technology, there might be something missing if we don’t have some premium quality air purifiers. LEVOIT Air Purifier is arguably one of the finest machines ever made.

It is no doubt the outrange performance of the device is worth mentioning. Nicknamed “LV-PUR131”, the unit has a gorgeous design and exactly fulfills customers’ health requirements in the most possible way.

The machine comes with an impressive basic design. It has a front metal panel that has many advantages. There are more spaces inside the unit than other air purifiers. So you will be able to use a relatively bigger air filter for better air filtration.

It is 18 inches tall and quite slim-looking. This model comes with three air filters. The fine preliminary filter is of eliminating major objects like dust, pet hackles, fungus, and algae. You can clean it using a vacuum cleaner. But you are forbidden to wash it.

The TRUE HEPA filter guarantees to remove 99% of contaminant particles. Other than this, the Activated Carbon filter is capable of reducing any odors or fumes.

The gadget can cover a large room up to 900 square feet. But it requires more than one hour to fully clean a large room. This model has almost 4000 reviews on amazon. Reviewers say it’s comfortable, durable, and a great value for the price. It has a smart auto mode system. It will systematically modify the fan speed based indoor air quality.

The machine is energy-efficient. It will hardly cost you during the use. It doesn’t make high noise. You can peacefully work or sleep in your home or office. The LED display automatically turns off after a few moments. 

  • The control light is simple to switch off.
  • It has 4 fan levels.
  • The machine provides great airflow.
  • It has a virtually inaudible sleep mode.
  • The filters are affordable and durable.
  • Motor sometimes becomes hot.

9. Coway Airmega 400 Smart Air Purifier— the Best Flagship on A Budget for Large Rooms

Coway Airmega 400


  • Suggested Room Size: up to 1,560 sq. ft.
  • Number of filters: 2 Filters
  • Type: Pre-filter; Max2 filter
  • Maximum noise level: 43.2 dB
  • Dimensions: 14.8 x 14.8 x 22.8Inches
  • Warranty: 3-year warranty
  • Additional Features: Eco mode; Smart sensor; Smart app-enabled function

The addition of Coway Airmega 400 Smart Air Purifier on this list is a well-deserved one. The innovative air purifier is, without doubts, one of the most powerful air cleaner machines.

Renowned for great airflow, the machine is capable of showing great performance and features. The design of the air purifier is quite upgraded than the old ones. The unit is mostly ideal for a larger room.

This device can easily cover a 1,560 square feet room. It is 22.8 inches tall and 14.8 inches wide. It comes with the only single on/off switch. The machine is made from well-built material to last longer. 

It comes with two air filters that are easy to setup. The pre-filter is quite powerful and washable. It can easily capture large kinds of stuff of pollutants from the surrounding air. Make sure to dry it properly before using it again. Another mixture filter named Max2 filter. 

It is mainly a combination of activated carbon and True HEPA filter. The gadget is so powerful that it can grab and eliminate particles down to 99%. Moreover, it can easily reduce any gas including NH3 and CH3CHO. 

The device has a pollution sensor to monitor air quality. The LED ring keeps updating you every minute how much dust is in your indoor air. It features smart mode which can adjust fan speeds according to surrounding air quality.

Moreover, it doesn’t consume much energy since it automatically turns off when the air quality is breathable. The filter indicator technology lets you know when the air filter should be replaced. The balancing technology makes it as powerful as it is beautiful.

  • The machine has some impressive technology.
  • It has an attractive design.
  • The unit has a sleep mode and timer.
  • The filters are quite powerful to clean.
  • The pre-filter is washable.
  • The device has single air reader detection light.
  • The machine is not easily moved from one place to another.

10. Hathaspace Smart True HEPA Air Purifier  THE Most Powerful Air Purifier For Under $400

Hathaspace Smart True HEPA Air Purifier 2.0


  • Suggested Room Size: up to 1500 sq. ft.
  • Number of filters: 5 Filters
  • Type: Pre-filter; Polypropylene pre-filter; True HEPA filter; Activated Carbon filter; Cold Catalyst filter
  • Maximum noise level: 60 dB
  • Dimensions: 9 x 16.5 x 27 Inches
  • Warranty: 3-year warranty
  • Additional Features: Auto mode; Smart sensor; Whisper-quiet sleep mode; Filter replacement reminder

How could we miss something called Hathaspace Smart True HEPA Air Purifier? Our list would not be much valued unless we include this powerful device.

Just looking at its amazing performance would give you an idea of how powerful it is. But this isn’t just it. Apart from showing reliable performance, this product also has some premium features which is convenient.

The elegant look of the machine makes it attractive. It is 27 inches tall and 16.5 inches wide. Its huge size makes it suitable for any extra-large room. This air purifier for an extra-large room can hold large fans to provide strong power.

The device has 5 stages of cleaning systems. The first stage pre-filter removes small types of particles from the surrounding air. The second filter is Polypropylene pre-filter which is capable of eliminating medium types of pollutants.

The True HEPA filter is the main filter of this air purifier. It almost captures and vanishes 99% of airborne particles. It has also Activated Carbon filters to remove chlorine particles. The filter absorbs and reduces different types of gasses and fumes from indoor air.

The air quality sensor monitors air quality efficiently. It includes a light panel that changes color based on the concentration of pollutants. The fan speed will automatically adjust according to indoor air. It has also a sleek touch panel.

You can change features and fan speed by touching the panel. The machine is energy-efficient that saves energy up to 60%. The Whisper-Quiet sleep mode allows you to sleep as peacefully as you desired. You can completely dim the light to avoid disturbance.

  • The device has 5 types of filters.
  • It features Whisper-quiet sleep mode.
  • The noise level is extremely quiet.
  • It is 100% ozone-free.
  • The unit is ideal for an extra-large coverage area.
  • It is energy efficient to reduce utility bills.
  • The power of the fan is low.

Things to Consider Before Purchasing Top-Notch Air Purifier for Large Spaces

Different types of air purifiers are suitable for different spaces. The cleaning capabilities may vary based on room size. We have listed some key factors which you should consider before purchasing the best air purifier for large rooms.

Coverage Area:

Some air purifier models are capable of covering larger space. They can even clean effectively a room that has several thousands of square feet of space. However, if the large room of your apartment or office doesn’t have much movement, a small air purifier can do the job.

Type of Filters: 

It is the most essential factor you need to consider before buying the best air purifiers for large rooms. Choosing a perfect and effective air purifier is important. It is needless to say that the air purifier doesn’t clean air automatically. A particular filter captures all the harmful ingredients from the air and keeps air quality suitable for the human being. 

There are various types of filters used on air purifiers including True HEPA Filter, Activated Carbon Filter, Electrostatic Filter, and many more. The true HEPA filter ensures to remove a minimum of 99.97% of airborne particles.

This filter can remove airborne contaminants like dust, mold, dust speck, and spermatic fluid. But this filter has some limitations. It doesn’t work much effectively if your room has gas particles, strange fragrances, methanol, and OCs.

To overcome this problem, you can use another filter named activated charcoal air filters. It can easily clean all the midair chemicals, vaporous impurities, smokes, and odors from your rooms. Most of the manufacturing companies use both filters for maximum safe air. Besides, they also use a UV filter, electrostatic filter, and ionizers for the best results.

Maximum Noise Level:

The noise level is another crucial factor for air purifiers. You may fail to concentrate on your work or sleep peacefully if the noise level is too much. You can choose those air purifiers which have a larger unit and operate at a slow speed. To ensure maximum quietness, try to avoid small model air purifiers.  

Wi-Fi Capabilities:

Most of the air purifiers have the remote control. But there are few air purifiers’ models that come with Wi-Fi capabilities. It will help you to control your air purifier through the smartphone app. It allows you to manage it from any place. It allows you to simply turn it on or off from any place of the world. You just need an Internet connection to do that.

Moreover, a Wi-Fi air purifier for a large space allows you to control the air quality instantly. It shows a notification to alert you. So you will get every moment of an update on the quality of air inside the house or office.


Most of the air purifier manufacturing brands provide a minimum two-year limited warranty service. Some companies also increase the warranty service by selling it. You should check the details, terms, and conditions of the warranty before buying it.

Additional Features:

Some brands add extra features in their air purifier products which may not seem in normal products. The intelligent air quality sensor is capable of measuring air quality and adjusting it according to the surrounding environment in the room.

Some air purifiers contain different speed settings and an auto shut-off feature. But one thing you should remember that additional facilities will increase the price of the air purifier.

Air Purifiers for Large Rooms FAQ:

1. What is the best air purifier for large rooms?

There are various types of air purifier available which are suitable for large rooms. But the air purifiers that we have picked are the best large room air purifier.

Oreck Air Response Purifier WK16002, Sharp KC 860U Plasma cluster Air purifier, Filtrete FAP Purifier coverage Allergen, and AIRMEGA Air Purifier are the best air purifiers for a large house.

Air purifiers are capable of improving air circulation and reducing pollutants in large basement rooms. It also improves the air quality of the lower level of the house.

The GermGuardian AC4825 Sanitizer Allergens Guardian, Honeywell HFD QuietClean Purifier Permanent, and AIRMEGA Smarter Purifier Covers 1560 are the best air purifiers for large basement rooms. 

The HEPA filter of air purifier is capable of trapping pollutants and ultra-fine particles. It can remove a minimum of 99.97% of particulates from the surrounding air.

Honeywell HFD QuietClean Purifier Permanent, GermGuardian Sanitizer Allergens Guardian, and Dyson Wi-Fi Enabled Purifier Silver are the best air purifiers for pollen allergies in large rooms.


Choosing a premium quality air purifier for big rooms may sometimes be tricky. But you will not face many problems as we have picked some top-rated air purifiers for large rooms. Make sure to choose a particular size air purifier for your large room.

Experts suggested using a little purifier for the small room and big size purifier for large rooms. Hopefully, now you will be able to make the right decision for selecting the best air cleaner for a large room. It will be safe, fresh, and clean for your room. 

So why are you still delaying? Are you still in any doubt? Don’t worry, just go and grab the best product based on your choice and requirement. We wish you a cheerful and joyous journey!

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