Air Purifier

What Is The Best Large Room Air Purifier in 2020

You can keep your home calm through the suitable construction, interior and inside environment. But, you cannot keep it away from polluted air. You must also aware of the fact that indoor air is more polluted than outdoor air which causes due to off-gassing from furniture, bedding, cooking, pets etc. You can remove harmful air pollutants using an effective and quality air purifier in your home.

Air purifiers come in a range of designs, features, and prices. It gives you a plenty of options to choose the best for your large room as per your needs. You can consider Honeywell HPA300 air purifier to clean the air in a room of up to 465 sq. ft. This buying guide, includes five best-rated air purifiers & points to consider, will save your time and stress to find the right purifier to get rid of unclean air in your room.

Best Large Room Air Purifier

Rank Name Ratings Price Timer No. of Fan Speed Area Coverage Discount Link

GermGuardian AC9200WCA Hi-Performance Large Room Germ Guardian Air Purifier

4.4/5 $$ 3 up to 378 sq.ft.

GermGuardian AC5350B Elite 4-in-1 Large Room Air Purifier

4.3/5 $ 5 up to 193 sq.ft.

Honeywell True HEPA Allergen Remover, 465 sq. Ft, HPA300

4.3/5 $ 4 up to 465 sq. ft

AeraMax 300 Large Room Air Purifier

4.2/5 $ 4 300 – 600 sq. ft.

Oransi Max HEPA Large Room Air Purifier

4.0/5 $$ 4 600 sq. ft.

No.1 GermGuardian AC9200WCA Hi-Performance Large Room Germ Guardian Air Purifier


  • Ideal for room up to 378 sq. ft
  • UV-C light technology
  • Filter Change Reminder
  • Quiet Operation
  • Energy Efficient


  • Expensive for low budgeted people
  • High speed may make little noise

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Being one of the best air purifiers for a large room, GermGuardian AC9200WCA has everything to give wonderful results in eliminating air contaminants, germs, and odor. The True HEPA air filtration method captures 99.97% of dust and allergens. If you or any of your family members is asthma sufferer, this purifier gives great relief by providing dirt-free and fresher air.

It also has a UV-C light?to kill germs, an ionizer option to boost allergen control and a touch control panel. You can adjust the fan speed using three settings. The filter change reminder gives peace of mind of not to check the filter condition again and again manually. It has the power to give ultimate air cleaning results in rooms up to 378 sq. ft.?area.

The ultra-quiet mode allows you to enjoy sleeping without any noise. You can even move it from one room to another due to its portability. This product can become your household member at around $350.

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No.2 GermGuardian AC5350B Elite 4-in-1 Large Room Air Purifier


  • Ideal for medium to large rooms
  • Affordable price
  • 4-stage filtration system
  • Lightweight


  • Digital display panel cannot be turned off, thus, for black out you have to place some cloth item on it

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GermGuardian AC5350B is an ideal choice if you are looking for an air purifier for medium to large size room. Like other purifiers with True HEPA filter, this unit is also recommended by experts due to its capability of improving an indoor air quality. It is an affordable purchase for experiencing clean and fresh air in less than $150.

The UV-C light with ON/OFF mode button kills airborne germs, bacteria and mold spores. 5 fan speed settings allow you to set your desired speed based on the room’s air condition. You can adjust it from high speed control mode to quiet sleep mode. Other functions included are digital display panel, filter change indicator and a timer. This makes it one of the superior air cleaning systems.

If you are a smoker, have pets, or want to get rid of cooking smell, this air purifier is highly capable of reducing such common odors. Also, its stylish design can complement any home décor.

No.3 Honeywell True HEPA Allergen Remover, 465 sq. Ft, HPA300


  • Great for extra large room
  • Effective air filtration
  • Easy filter replacement
  • Energy efficient


  • Filter replacement may be expensive

>>> Shop Now at! <<<

As compared to above two air purifiers; Honeywell HPA300 can cover larger area of up to 465 sq. ft. It has four air cleaning settings i.e. Germ, General Clean, Allergen and Turbo, which can be selected based on the air quality in a room. The True HEPA filter can capture up to 99.97% of airborne particles.

The filter change reminder helps you to know when to change the filters. This task can easily be done without tools. To get effective results, it is recommended to use only certified Honeywell replacement filter. It has a timer that can automatically shut off at 2, 4 or 8 hours, a dimmer option for control panel light and 4 fan speed settings. Overall, you will get filtered, cleaner, fresher and odorless air circulates efficiently in your room.

The air purifier has a durable look that ensures to provide long-lasting and reliable performance. Whether you want to place it in a living room or a large bedroom, you will sure be amazed with its super air cleaning outcome at just $215.

No.4 AeraMax 300 Large Room Air Purifier


  • 4-level filtration system
  • AeraSmart Sensor for automatic detection and cleaning of air
  • Filter change indicator
  • Excellent performance


  • During high fan speed, it produces noise which can bother some people.

>>> Shop Now at! <<<

AeraMax 300 air purifier is extremely effective in providing fresh and clean air in the large size room of 300 to 600 sq. ft. The Four-stage filtration process is highly capable of capturing even the smallest air particles including pollen, allergens, viruses, germs and mold spores. It also reduces odor and gives a pleasant smell in a room.

See also  Best Air Purifier For Cigarette Smoke Removal Review in 2020

AeraSmart feature has the ability to automatically detect the air, adjust the fan speed and clean the air. It also has an air quality indicator that allows you to indicate the existing quality of indoor air. It has 4-speed fan settings – low to turbo. The air pollutants are removed in a convenient and easy way.

If you can afford nearly $200 to keep your large room air clean and fresh, you can consider buying this air purifier for extremely effective outcome.

No.5 Oransi Max HEPA Large Room Air Purifier


  • Easy to use and move
  • Filter replacement indicator
  • 2-3 times quieter than other similar air purifiers
  • 10 years warranty


  • Quite Costly

>>> Shop Now at! <<<

Oransi Max HEPA air purifier covers larger room area as compared to above four purifiers. Available at little high price, $479, is an ideal selection for larger bedroom, living area, office or basement. The features and functions make it one of the best air purification systems for larger area coverage.

Just say goodbye to the unpleasant smell of pets, cooking, and smoking, and make your home atmosphere fresh and clean by removing 99% of airborne particles in a room. It works on 3-stage cleaning process and also has a feature of monitoring air quality that automatically adjusts the fan speed to give cleanest air.? Being small and lightweight, you can move it from one to another room without any help.

The light white noise enables you to sleep better and comfortably. If you can spend this amount on providing a clean living environment to your family, this air purifier would be your best decision.

What to consider when buying a large room air purifier?

Apart from comparing the price of air purifiers based on your affordable budget, there are many factors that need to be considered for making an informed decision. Always keep in mind that buying any purifier without doing your homework is not a good idea at all. Be prepared for a smart purchase.

Filter Capability

The capability to filter air pollutants and to produce clean air clearly depends on the type of filtration system used in an air purifier. You must look for a purifier with HEPA filter purification system. Such filters are highly capable of removing 99.97% airborne particles, germs, bacteria, mold spores and other air contaminants. Many purifiers also come with carbon pre-filters to avoid blocking the HEPA filter.

Air purifiers with HEPA filters are more energy efficient and effective in purifying the air as compared to ordinary purifiers.

Room Coverage

You must not place any order without considering the room coverage capability of the air purifier. Just measure your room area in square feet and check whether your selected air purifier is capable of purifying the indoor air in that room or wherever you will place it.

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Almost all models for large room specify the space it would cover. If not exactly, just make a rough estimate and look for the air purifiers with air cleaning ability within that coverage range.

Clean Air Delivery Rate (CADR)

When buying an air purifier, you must also consider CADR. It determines how effective your selected purifier is in giving out the clean air. It is the speed of removing three common air pollutants – smoke, pollen and dust. Any air purifier with higher CADR means better filtration outcome it has. Make sure to check the purifier effectiveness by simply identifying its CADR, which is measured as cubic feet per minute.

Keep in mind that for a large room, this cleaning rate of a specific purifier should be high.

Noise Level

You cannot ignore the noise level of the air purifier you are going to buy. Never forget to check the sound of a purifier at different fan speeds. It will help you to determine its efficiency. Obviously, it is not worth to invest in a system with noise botheration.

As you are going to place it in your home, it must operate quietly or at the very low sound. Make sure it will not disturb your sleep. Many models come with quiet mode. Just check if your model has this function.


The warranty also plays an important role in giving effective and long years of proper working of any product. In case of air purifiers, more warranty period signifies that manufacturers are confident about their products. Also, more warranty means more support you will get if any kind of issue you will experience in that period of time. You get relief from the stress of maintenance cost.

Most reputable brands come with a better warranty than others, like 3 or more years.


It is understood that no one has much time to go through a range of models in order to get the perfect air purifier for their home/office. The aim of this article is to ease that stress by shortlisted the best-rated air purifiers for a large room from different brands. You just require choosing an air purifier which is capable of meeting all the requirements for your area.

No worries if you are confused about what to pick for your home. As a whole, Honeywell HPA300 air purifier can be your best purchase in terms of all aspects. If you have a room smaller than 200 sq. ft., then no need to buy Honeywell HPA300 when you are getting everything from GermGuardian AC5350B air purifier at much less price.

We hope that this information will sure help you to find the right air purifier without wasting your time and energy. You must also consider the given buying tips for a quick and efficient purchase. Let’s share your thoughts and experiences in the comment below.

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