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best small air purifier

Best Small Air Purifiers For Your Bedroom: Top Picks, Reviews & Buying Guide

Shopping for a Small Air Purifier?

You’ve come to the right place.

Small air purifiers are the go-to choicefor most people these days due to their compact and handy size, lower price points, and portability. You can place them in your bedroom without compromising on space and quickly take them to another room if you want.

Despite their compact form, small air purifiers purify indoor air just as efficiently as the bigger devices. You can find small air purifiers that feature high-quality HEPA and carbon filters and eliminate 99-99.97% of air pollutants, not even sparing contaminants as small as 0.1-0.3 microns.

So, if you want a high-performing device that cleans indoor air but has limited space, a small air purifier is the ideal option for you.  


What’s In This Buying Guide

There are various small air purifiers availablein the market these days, making it extremely difficult to choose the best one.

To help you make a more informed decision, we review some of the best small air purifiers for your bedroom in this guide.

We share details of various devices, including the filters they feature, their efficiency, and how much sound they make.

And to further help you narrow down your choice, we list the features you should look out for when buying a small air purifier for your bedroom.

In the end, we answer a few FAQs to clear up any ambiguity.


Best Small Air Purifiers

small room air purifiers
  • LEVOIT Air Purifier

  • Best Seller
  • Weight
    3.3 Pounds

  • Coverage Area
    161 sq ft/15 m

  • Product Dimensions
    6.69 x 6.69 x 10.43 inches

small room air purifiers
  • GermGuardian AC4100 Air Purifier

  • Most Innovative
  • Weight
    5.15 Pounds

  • Coverage Area
    78 sq ft/15 m

  • Product Dimensions
    7.5 x 6.5 x 11 inches

small room air purifiers
  • Westinghouse 1804 Air Purifier

  • Highly Portable
  • Weight
    2 Pounds

  • Coverage Area
    100 sq ft

  • Product Dimensions
    6.3 x 6.3 x 3.46 inches

small room air purifiers
  • The Three Musketeers III M Air Purifier

  • Most Affordable
  • Weight
    0.60 Pounds

  • Coverage Area
    64 sq ft/6 m

  • Product Dimensions
    7.24 x 3.82 x 3.74 inches

small room air purifiers
  • LEVOIT Air Purifier for Home

  • Most Durable
  • Weight
    6.5 Pounds

  • Coverage Area
    129 ft /12 m

  • Product Dimensions
    7.9 x 7.9 x 12.6 inches

small room air purifiers
  • RIGOGLIOSO Air Purifier

  • Most Powerful
  • Weight
    1.54 Pounds

  • Coverage Area
    121 ft /10 m

  • Product Dimensions
    4.92 x 4.92 x 7.64 inches

small room air purifiers
  • IQAir Personal Air Purifier

  • Ultra-Quiet
  • Weight
    6.26 Pounds

  • Coverage Area
    150 sq ft

  • Product Dimensions
    11.77 x 5.51 x 12.44 inches


1. Best Seller: LEVOIT Air Purifier

small air cleaner

This LEVOIT air purifier is ideal for your bedroom because it removes airborne particles as small as 0.3 microns. Plus, it only makes 28 decibels of noise, so you can get a peaceful night’s sleep even if you set it at high speed.

Pros

  • Lightweight
  • Noise level of 28 dB
  • Dual filter design
  • One-button control
  • Aromatherapy option

Cons

  • Faulty LED night light
  • No replacement filter
  • It does not eliminate dust
  • Plug adaptor not included

Our Review

This Levoit small air purifier features dual-sided H13 True HEPA filters that purify the air in your living space by eliminating 99.97% of dust, pollen, allergens as small as 0.3 microns.

This small air purifier only makes 28 dB of noise while operating, which means you can place it right next to your bed at night without being disturbed. It also has single-button control, making it easy for you to operate.

Weighing a mere 3.3 pounds, you can quickly and very conveniently move this Levoit small air purifier from your bedroom to your living room or study and even take it along to the office to constantly and continuously improve your air quality. Plus, it includes an aroma pad that you can fill with essential oils to experience refreshing and fragrant air around the house.

You can operate this LEVOIT air purifier using a plug adaptor that does not require a separate transformer. Plus, this small air purifier is available in blue and white and adds a stylish touch to your bedroom.

The only problem with the Levoit air purifier is that the filter is not included with the air purifier. And you need to replace it after eight months to ensure good air quality.

Specs

Dimensions: 6.69 x 6.69 x 10.43 inches

Weight: 3.3 pounds

Power Source: AC

Particle Size: 0.3 microns

Coverage Area: 15 m/161 ft

Noise Level: 28 dB


best small air purifier

This GermGuardian air purifier reduces at least 99.97% of harmful germs, bacteria, allergens as small as 0.3 microns from your bedroom with the help of its True HEPA filter.

Pros

  • Three fan speeds - Low, medium, and high
  • Easy to use
  • Reduces odours and germs
  • Minimizes dust
  • The True HEPA air filter traps 99.97% of allergens

Cons

  • Noisy
  • It emits a strong smell
  • Malfunctioning light

Our Review

The AC4100 small air purifier is an excellent choice for small spaces, such as your bedroom, home office, child’s playroom, nursery, and dorm room.

It can cover areas of up to 78 square feet, so you can easily place it next to your bed or on your coffee table or study desk. Plus, it has a good CADR rating of dust (56), smoke (50), and pollen (76).

This lightweight air purifier comes in white and light grey, making it a perfect addition to any modern home decor.

The AC4100 features 4-in-1 technology, including a pre-filter that traps 99.97% of allergens as small as 0.3 microns.

The built-in UV light uses titanium dioxide to reduce germs and kill viruses like rhinovirus and influenza. Plus, the activated charcoal filter minimizes unpleasant odours like tobacco, cooking fumes, smoke, and more.

The GermGuardian air purifier is also easy to use, and you can choose between low, medium, and high-speed settings to enjoy a comfortable night’s sleep.

However, the AC4100 emits a strong chemical smell and is also considered a burning hazard when left on for too long.

Specs

Dimensions: 7.5 x 6.5 x 11 inches

Weight: 5.15 pounds

Power Source: Corded Electric

Particle Size: 0.3 microns

Coverage Area: 78 sq ft/15 m

Noise Level: 57.4 dB


best small air purifier

The Westinghouse 1804 portable air purifier is an innovative device that features a Nano-Confined Catalytic Oxidation Technology (NCCO Technology), which cleans the air around you in 3 meticulous stages.

The 3-stage purification technology includes an oxygen generator, a True HEPA filter, and an NCCO reactor that cleans your indoor air with high efficiency.

So, if you want a premium-quality air purifier that you can use at home and take along to the office or on a trip, then the 1804 is worth investing in.

Pros

  • Lightweight, sleek design
  • True HEPA filter traps 99.97% of pollutants
  • Great for travel
  • NCCO technology decomposes gaseous pollutants
  • Sturdy leather strap for added support
  • Eliminates harmful allergens like dust, pollen, and pet dander

Cons

  • Not durable
  • Dysfunctional battery

Our Review

The Westinghouse 1804 is the perfect air purifier for your home and travels. It is ideal for spaces up to 100 square feet and also fits easily on your car console or folding table on an airplane. Plus, the smooth leather strap makes it easy to carry and hang from a hook while driving or commuting.

This small air purifier features a True HEPA filter that reduces 99.97% of harmful bacteria, viruses, and pollutants as small as 0.1 microns from the air.

Plus, the patented NCCO technology uses an active oxygen generator to decompose contaminants like dust, pollen, dander, and other allergens and throws clean and fresh air back into your space.

This Westinghouse portable air purifier weighs only 2 pounds, but it delivers good-quality air with 2 powerful speed settings. It also features a silent mode and a low battery indicator.

Plus, it has a built-in lithium rechargeable battery that lasts for up to 8 hours.

Specs

Dimensions: 6.3 x 6.3 x 3.46 inches

Weight: 2 pounds

Power Source: Battery-powered

Particle Size: 0.1 microns

Coverage Area: 100 sq ft/9.3 m

Noise Level: 38 dB


best small air purifier

The THREE MUSKETEERS III M mini portable air purifier is an affordable solution for eliminating allergens, nasty smells, and pet dander from the air in your home.

Pros

  • Affordable
  • Easy to operate
  • Noise level of 30 dB
  • Extremely lightweight

Cons

  • Cheap construction
  • No replacement filter

Our Review

The THREE MUSKETEERS III M mini portable air purifier is ideal if you have a newborn baby or furry friend at home. This is because the HEPA filter removes 99% of pollutants and particles as small as 0.3 microns from the surrounding air.

To ensure clean and fresh air, you can place this compact and lightweight device in your bedroom, child’s nursery, laundry room, pet room, or even your living area.

The III M small air purifier is relatively easy to operate; all you need to do is plug the electric cord into a compatible socket and press the power button. It also features a low noise level of 30 decibels, so it improves indoor air quality without disturbing you or your family.

The THREE MUSKETEERS III M mini portable air purifier is also extremely easy to operate. You can take advantage of the simple one-touch button, indicator lights, and three operation modes - auto, sleep, and high-speed.

We highly recommend the III M small air purifier if you want an affordable device to improve air quality inside your home. However, it does not last long as the construction is relatively cheap and fragile.

Specs

Dimensions: 7.24 x 3.82 x 3.74 inches

Weight: 0.60 pounds

Power Source: Corded Electric

Particle Size: 0.3 microns

Coverage Area: 64 sq ft/6 m

Noise Level: 30 dB


small air cleaner

If you want a long-lasting air purifier for your bedroom that refreshes indoor air and reduces allergies, then this LEVOIT air purifier is perfect.

Pros

  • True HEPA filter traps 99.97% of pollutants
  • Noise level of 35 dB
  • Adjustable speed
  • Purifies air efficiently
  • Contemporary design
  • Built-in filter replacement indicator

Cons

  • Noisy
  • Faulty fan
  • Expensive
  • Emits burning smell

Our Review

This LEVOIT air purifier for your home features an innovative 3-stage filtration system that includes a pre-filter, True HEPA filter, and an activated carbon filter. Combined, the three filters remove 99.97% of pollutants from the air as small as 0.3 microns.

This Levoit air purifier is fitted with adjustable speed modes that you can set to low, medium, or high depending on your personal preferences and likes. It also features a built-in indicator that lets you know when you need to replace the filter.

Plus, this small HEPA air purifier has a night light with two brightness settings that you can adjust according to your requirements.

It also circulates the air in your room over four times every hour to attain optimal purification. 

This Levoit air purifier also features a contemporary design. It is available in matte black and pure white, making it a stylish addition to your small or medium-sized bedroom or dorm room.

Specs

Dimensions: 7.9 x 7.9 x 12.6 inches

Weight: 6.5 pounds

Power Source: Corded Electric

Particle Size: 0.3 microns

Coverage Area: 129 ft/12 m

Noise Level: 25 dB


6. Most Powerful: RIGOGLIOSO Air Purifier

small room air purifiers

The RIGOGLIOSO air purifier has an air volume of 50m/h, making it extremely powerful and efficient in improving indoor air quality. Plus, it consumes only 2W, so it doesn’t hike up your bill!

Pros

  • Affordable
  • Lightweight
  • USB powered
  • Noise level of 30dB
  • True HEPA filter traps 99.97% of allergens
  • 360-degree purification

Cons

  • Weak airflow
  • Low-quality construction

Our review

The RIGOGLIOSO air purifier is an innovative device designed to cleanse the polluted air in your home with ease and efficiency.

Despite its compact size, it boasts a powerful 360-degree air purification system that hardly makes any noise. Plus, the negative ions remove particles from the air with high efficiency.

The RIGOGLIOSO air purifier features 3-stage filtration, including a pre-filter, HEPA filter, and an activated carbon filter. The three filters trap 99.97% of toxins, bacteria, pollen, dust particles down to 0.3 microns.

It is also simple to operate - you can use the main function button to turn the purifier on during the day and the auto-off option to activate the sleep mode.

This small air purifier is USB-powered, so you can charge it in your car, office, or while you’re travelling. Its compact size and the modern design also make it an excellent gift for your friends and family.

Plus, this new and improved RIGOGLIOSO air purifier comes with a one-year warranty and lifetime support.

Specs

Dimensions: 4.92 x 4.92 x 7.64 inches

Weight: 1.54 pounds

Power Source: Corded Electric

Particle Size: 0.3 microns

Coverage Area: 110-150 m

Noise Level: 30 dB


best small air purifier

The IQAir Personal air purifier features a HyperHEPA filtration system that filters 99% of bacteria as small as 0.003 microns. It also boasts a low noise level of 20 decibels, so you won’t even notice it working.

Pros

  • Unique round shape
  • Noise level of 20 dB
  • HyperHEPA filtration
  • Efficient air purification

Cons

  • Expensive
  • Bulky design
  • Emits unpleasant smell

Our review

The IQAir Personal air purifier is an excellent device for not only your home but also comes in handy at the office, in your car, and while travelling.

It features a PureJet diffuser that cleanses the air in your living space instantly. Plus, the low noise levels make it a practical device to have on while sleeping at night or trying to concentrate at work.

The IQAir small air purifier comes with a power adapter, 3 plugs, and a stand, so you can choose between placing it on the floor, setting it up on a table, or letting it rest against a wall.

This versatile and portable air purifier does come with a high price tag, but its advanced technology and unique design make it a worthwhile investment.

Specs

Dimensions: 11.77 x 5.51 x 12.44 inches

Weight: 6.26 pounds

Power Source: Corded Electric

Particle Size: 0.003 microns

Coverage Area: 150 sq ft

Noise Level: 20 dB


Small Air Purifier: Buying Guide

Why Buy a Small Air Purifier?

air purifier for small room

Small air purifiers are a compact solution for reducing pollutants in your home and replacing them with clean and healthy air.

Small air purifiers not only improve the quality of air in your home but are also more convenient and budget-friendly than regular-sized air purifiers.

Their compact size makes them an excellent option for smaller apartments, dorm rooms, and offices.

Plus, their portable design allows you to place them not only on the floor but also on your dining table, nightstand, or shelves.

What to Look for in a Small Air Purifier

You need to consider a few factors before investing in a small air purifier for your bedroom. These include:

Size and Portability

The size of a small air purifier is crucial, especially if you have a small living space. A small air purifier does not take too much space, and you can easily place it next to your bed, on your living room table, or in your kid’s nursery, small office, or laundry room.

Similarly, a lightweight and portable air purifier comes in handy if you want to use it while driving or travelling. The best small air purifier should also be lightweight and feature USB charging for extra convenience.

Noise Level

You must consider the noise level when buying a small air purifier for your bedroom.

Premium-quality air purifiers with low noise levels (less than 30dB) ensure undisturbed sleep and do not make any noise even if you set them at a higher speed. 

Cost Efficiency

The price of a small air purifier is another crucial factor to consider. You can find small air purifiers as low as $25 and efficiently cleanse your air, but they might not be durable.

You can also find mid-range, robust and sturdy small air purifiers that cost around $80-150.

Then you have excellent small air purifiers that can cost up to $300. These usually include advanced features like one-button control, different speed settings, an in-built filter replacement indicator, and a nightlight.

Small air purifiers fit every budget, but you also need to know the long-term costs of buying a small air purifier.

You need to replace the air filters almost every six months, which could set you back at least $50-100 a year. Plus, the power consumption of a small air purifier could cost you somewhere between $150 and 300 per year.

Technology Type

The best small air purifiers feature safe and efficient True HEPA filters designed to remove 99.97% of all pollutants from the air in your home, including bacteria, germs, dust, pollen, pet hair, dander, and more.

These filters do not aggravate or cause health issues like asthma, headaches, allergies, or breathing issues.

Some small air purifiers also include the NCCO technology, which features a 3-stage cleaning system.

It works by first activating oxygen into the air with the help of an active oxygen generator. It then catches all the contaminants in the air through its filter, decomposes harmful pollutants, and releases clean air into your living space.

Filter Type

air purifier for small room

Air purifiers come with different filter types, such as HEPA filters, UV light filters, carbon filters, and more.

The most common type of filter used is HEPA filters because of their efficiency and excellent results. True HEPA filters are composed of high-quality materials that filter out 99.97% of air pollutants as small as 0.3 microns.

UV light filters use ultraviolet waves to trap and kill viruses and germs in the air and ensure pure indoor air.

Carbon filters are highly durable and work well to eliminate harmful bacteria and smoke, and other smells.

However, UV light and carbon filters can be hazardous to health because they convert oxygen into ozone. Ozone can cause serious health problems like respiratory disease, headaches, coughing, asthma, and difficulty breathing.

Weight

A lightweight air purifier is an ideal option if you want a portable device for your bedroom.

Depending on your specific requirements, you can choose from a small air purifier that weighs as little as 0.5 pounds or one that weighs as much as 9 pounds.

A lighter air purifier is easy to transport to and from different rooms in your house and take along in your car, to your workplace, or on your next trip.

However, small air purifiers that weigh less than 3 pounds sometimes prove to be fragile, so it is best to opt for one that weighs between 3 and 6 pounds, where you get a durable yet lightweight product.

CADR

The Clean Air Delivery Rate or CADR of an air purifier provides details of the volume or measurements of the air in cubic feet.

The CADR gives separate air, smoke, dust, and pollen measurements, making it easier to understand their efficiency.

A higher CADR rating ensures that your small air purifier delivers better air quality overall.

Coverage Area

The coverage area of a small air purifier is also essential, especially if you have a small living space.

To buy the most efficient unit, measure the square footage of your room and buy an air purifier that offers a slightly higher area coverage.

For example, if your bedroom is 100 square feet, a small air purifier with a coverage area between 150 and 250 square feet is ideal.

Warranty

The standard limited warranty period that most small air purifier brands offer is usually one year from the date of purchase. This warranty includes refunds, replacement of a defective device, or repairs of malfunctioning parts after you provide proof of purchase.

This warranty applies only to customers who purchase their device from authorized dealers, ensuring that you don’t get your small air purifier from an unauthorized seller.

Pros and Cons: Compact Air Purifiers

air purifier for small room

Small air purifiers are now increasingly popular due to their innovative features and portable design. While they offer some excellent benefits, there are also a few disadvantages of buying one for your bedroom.

Pros

  • Purifies airImproves sleep
  • Relieves asthma symptoms
  • Eliminates unpleasant odours
  • Reduces harmful germs and bacteria

Cons

  • May aggravate allergies
  • Ineffective in large spaces
  • High long-term maintenance costs
  • May not eliminate pollutants

Frequently Asked Questions

Can I Leave My Small Bedroom Air Purifier Running All Day?

Yes, it is entirely safe to keep your small bedroom air purifier running all day; in fact, it is highly recommended.

Keeping your small air purifier turned on throughout the day ensures optimal results when it comes to reducing germs, allergens, and dust.

If for some reason, you do not want to leave it on all day, you should keep it running for at least 12 hours a day to ensure healthy, clean air indoors.

However, if you use your small air purifier daily, remember to change the filter after at least six months.

What Type Of Small Air Purifier is Best For The Bedroom?

A small air purifier that offers low noise levels is the best for your bedroom because it silently cleanses the surrounding air.

Another feature to look for in a small air purifier for your bedroom is user-friendliness. A USB-powered device that features a one-button power source is convenient to operate from the comfort of your bed.

Plus, a small air purifier that offers different settings like low, medium, and high allows you to set it to the speed of your liking.

Are Air Purifiers Harmful For You?

Air purifiers are beneficial if you or a family member suffers from allergies or asthma, but some can aggravate your condition.

A few common side effects of breathing in the air from some air purifiers include coughing, shortness of breath, headaches, and chest pain.

Most air purifiers that feature HEPA filters are entirely safe to use and do not cause any health issues.

What Is The Long-Term Maintenance Cost Of A Small Air Purifier?

The long-term maintenance of a small air purifier can cost you more than the actual price of the device itself.

First, you need to replace the air filters at least twice a year, setting you back around $25 each time. If you buy a HEPA filter with activated carbon, the cost goes up to $50.

Second, most small air purifiers include glass or ceramic plates that break easily and need to be replaced.

You should also consider the cost of running the small air purifier, which can be calculated by the number of watts mentioned in the product manual.


Final Verdict: What is the Best Compact Air Purifier Sold Today?

In our opinion, the RIGOGLIOSO small air purifier is the best compact air purifier because of its affordable price and innovative features.

Not only does this small air purifier include a True HEPA filter that eliminates 99.97% of pollutants from the air, but it also offers 360-degree air purification.

It is also portable and USB-powered, making it ideal for not only your bedroom but your car and office as well.

Plus, the low noise levels and easy-to-use functions make it a convenient device.

About the Author Tom Hanson

I’ve worked as an HVAC tech in Phoenix, AZ for the past 10 years. I created CoolAndPortable.com to help home owners select the right portable air conditioner, cooler or air purifier for their needs & budget in just a few minutes.

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