Levoit Air Purifier Reviews – Which Models Are Best?

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Levoit air purifiers are gaining in popularity thanks to their effective air purification, ease of operation, and, most importantly, their budget-friendliness. Levoit offers air purifiers with these great features for rooms of all types and sizes, from the small desktop air purifier to medium-sized for the dorm room, to the large ones for the whole house

The highlight feature for all Levoit air purifiers is the 3-stage filtration process. A fine preliminary filter catches large particles like pet fur, fibers, and lint. The True HEPA filter catches smaller particles (up to 99.97% of airborne contaminants) as small as 0.3 microns, and the Activated Carbon filter absorbs pollutants, odors, and smoke. The result is clean, fresh air indoors. 

From our tests, the Levoit LV-H135 came out as the best air purifier, given its large area of coverage and high CADR value. It’s quiet, looks good, and works really well. 

Check out this quick comparison chart of the various Levoit Air Purifiers I reviewed below:

ModelCADRCoverageFiltrationFilter LifespanSizeWeightNoise Level
463 Sq ft
6-8 mo
24.6” x 13.6” x 13.4”
710 Sq ft
6-8 mo
13.7 x 13.7 x 30.9
322 Sq ft
6-8 mo
14.5” x 7.2” x 18.5”
Under 52db
538 Sq ft
6-8 mo
12 x 12 x 23
215 Sq ft
6-8 mo
8.7 x 8.7 x 14.2
219 Sq ft
6-8 mo
8.7 x 8.7 x 14.2

7 Best Levoit Air Purifiers

After 12 hours of testing all of the models, this is my list of the best ones based on the performance and price of each Levoit model.

1. Levoit LV-H135 Review – (Best For Bigger Rooms)

Levoit Air Purifier Reviews
Coverage 463 sq ft (43 sq m)
Filtration 3-Stage Filtration (Preliminary, HEPA, Activated Carbon)
Filter Lifespan6 – 8 months
Size 24.6” x 13.6” x 13.4”
Weight 17.8 lbs (8.07 kgs)
Noise Level26 – 54 dB
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The Levoit LV-H135 has been certified by the CARB, FCC, and ETL to be safe and deliver on its promise of purifying the air in the room. In our review, it came out as the best air purifier from Levoit, given the large coverage area and high CADR (Clean Air Delivery Rate).

With this air filter, you get a real-time air quality indicator from Very Good, Good, Moderate, and Bad, each with its color. Besides that, you get one of the quietest operations. On the lower side, the H135 operates at 26 decibels of sound, which is quieter than a whisper (30 dB) and the hum of a fridge (40 dB). On the higher side, it operates at 54 dB, which is still very quiet, especially during the day. 

The Auto Mode has the air purifier automatically adjusting the speed of its fans as per the air quality in the room. This mode not only saves on energy usage but is also highly efficient in cleaning the air indoors. At night, you can turn off the display to avoid disruptions to your sleep for those who can’t sleep with the lights on. 

The Good

  • A high CADR rating means it quickly cleans the air indoors. 
  • Large 463 sq ft coverage. 
  • Low noise operations. 
  • 3-stage filtration results in clean and fresh air. 
  • Small dimensions and weight for its coverage. 
  • 100% ozone free, meaning it’s not a pollutant. 

The Not-So-Good

  • At full speed, the 54 decibels of noise can disturb some. 

For an air purifier with these features and low price points, it’s hard to find a direct competitor from other manufacturers. 

LEVOIT Air Purifiers for Home Large Room with 3-in-1 Filter, Cleaner for Allergies and Pets, Smokers, Mold, Pollen, Dust, Quiet Odor Eliminators for Bedroom, Smart Auto Mode, LV-H135, White
  • 𝐎𝐟𝐟𝐢𝐜𝐢𝐚𝐥 𝐋𝐞𝐯𝐨𝐢𝐭 𝐅𝐢𝐥𝐭𝐞𝐫𝐬: Search for B07KCBJMMX or LV-H135-RF to find the Levoit 3-In-1 Replacement Filter. Levoit replacement filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier
  • 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: The Nylon Pre-Filter,Efficient Middile Filter, and Efficienct Activated Carbon Filter work together to filter air particles, such as pollen, pet dander, and dust, as well as VOCs, smoke, fumes, and household odors
  • 𝐄𝐱𝐭𝐫𝐚-𝐋𝐚𝐫𝐠𝐞 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞: Change the air 1x per hour in a 1,577 ft² room and 3.4x per hour in a 463 ft² room (CADR 212). It’s perfect for living rooms, kitchens, and bedrooms—wheel it anywhere you need fresh ai
  • 𝐀𝐮𝐭𝐨 𝐌𝐨𝐝𝐞: The laser dust sensor scans the surrounding air quality and adjusts the fan speed in real time. Set a timer for 2, 4, or 8 hours and let the Check Filter Indicator keep you updated on filter life
  • 𝐔𝐥𝐭𝐫𝐚-𝐐𝐮𝐢𝐞𝐭 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞: Sleep Mode keeps noise levels as low as 26dB. The nearly-silent noise levels allow you to sleep undisturbed

2. Levoit LV-H134 Air Purifier Review – (Best for Large Living Rooms & Best Overall Purification)

Levoit Air Purifier Reviews
Coverage 710 sq ft (66 sq m)
Filtration 3-Stage Filtration (Preliminary, HEPA, Activated Carbon)
Filter Lifespan6 – 8 months
Size 13.7 x 13.7 x 30.9 inches
Weight 28.5 lb (12.9 kg)
Noise Level25 – 54 dB
PriceCheck Current Price On Amazon

The Levoit LV-H134 is the largest and one of the best air purifiers on the market. It has an impressive CADR, covers a large floor area, and packs some of the latest technologies in air purification. The most impressive of these technologies is laser technology which detects dirt particles in the air and reports it to the air purifier to adjust its operations accordingly. 

Levoit’s impressive Auto Mode ensures you always have the best air quality indoors by adjusting the fans to the quality of the air around you. The combination of these technologies enables the LV-H134 to purify the air up to 40% faster than air purifiers in the same class. 

Although our test unit has worked so well from the first day we set it up and turned it on, some customers report having received flimsy units that broke down after a few days. 

The Good

  • The large coverage area of 710 square feet. 
  • Auto Mode allows for automatic operation. 
  • Low noise operations prevent distractions. 

The Not-So-Good

  • Some units may be faulty, although few have reported this issue. 

In our long experience with air purifiers, few can match the LV-H134 in large spaces. 

LEVOIT Air Purifiers for Home Large Room with Main Filter for Allergies, Cleaner for Pets, Smoke Mold, Pollen, Dust, Quiet Odor Eliminators for Bedroom, Smart Sensor, Auto Mode, LV-H134, White
  • 𝐄𝐗𝐓𝐑𝐀-𝐋𝐀𝐑𝐆𝐄 𝐂𝐋𝐄𝐀𝐍𝐈𝐍𝐆 𝐀𝐑𝐄𝐀: The LV-H134 purifies air in 2340 ft² rooms in one hour, and 1170 ft² rooms in 30 minutes (CADR 530), making it perfect for living rooms, bedrooms, apartments, offices, kitchens, basements and playrooms. The wheeled design helps to bring fresh air to every room of your home
  • 𝐏𝐑𝐎𝐅𝐄𝐒𝐒𝐈𝐎𝐍𝐀𝐋 𝐀𝐈𝐑 𝐂𝐀𝐑𝐄: The Efficient Middle Filter works alongside the Pre-Filter and Activated Carbon Filter to target dust, pollen, pet dander, VOC's, tobacco smoke, household odors from pets, cooking, and other allergies
  • 𝐏𝐎𝐖𝐄𝐑𝐅𝐔𝐋 𝐃𝐄𝐒𝐈𝐆𝐍: Enjoy the fresh air on all sides with help from the air purifier's tower structure and 360° air circulation for quick, efficient filtration
  • 𝐔𝐍𝐃𝐈𝐒𝐓𝐔𝐑𝐁𝐄𝐃 𝐑𝐄𝐒𝐓: Sleep soundly by turning off the display light, setting a timer for up to 12 hours, and selecting Sleep Mode for noise levels as low as 23dB
  • 𝐂𝐋𝐀𝐑𝐈𝐓𝐘 𝐀𝐍𝐃 𝐂𝐎𝐍𝐅𝐈𝐃𝐄𝐍𝐂𝐄: The Auto Mode uses a Laser Dust Sensor to measure the surrounding air and automatically adjust the fan speed in real-time. You can easily view the PM2.5 value on the display, which shows the amount of detected particles within 1 cubic meter

3. Levoit LV-PUR131 True HEPA Air Purifier Review – (Best Value With HEPA For Smaller Rooms)

Levoit Air Purifier Reviews
Coverage 322 sq ft 
Filtration 3-Stage Filtration (Preliminary, HEPA, Activated Carbon)
Filter Lifespan6 – 8 months
Size 14.5” x 7.2” x 18.5”
Weight 11.2 pounds
Noise LevelLess than 52 dB
PriceCheck Current Price On Amazon

While the LV-PUR131 air purifier is rated at a coverage of 322 square feet, this is the size of the room at which it’s most efficient as it can clean the air in such a room in about 10 minutes. The same air purifier can clean the air in rooms measuring 500 and 900 square feet in 33 minutes and 1 hour, respectively. 

The Levoit LV-PUR131 is an all-around performer, although it’s best suited to dealing with allergens in the house. It eliminates 99.97% of pet dander, pollen, mold spores, and many other allergens as small as 0.3 microns. 

This air purifier is also great at eliminating odors and smoke from a room, thanks to the industry-leading 3-stage filtration process. It comes with the Smart Auto Mode, which changes the speed of the fans as per the number of impurities in the air. 

The Good

  • 3-stage filtration makes it effective in cleaning the air of odors and pollutants. 
  • Low noise levels. 
  • Smart Auto Mode to control the speed of fans automatically. 
  • Best suited to eliminating allergens from the air. 

The Not-So-Good

  • Some units shipped to customers have been reported to be faulty. 

This is one of the best air purifiers to get for yourself for a smaller room and when you are allergic to pet dander, pollen, or other airborne particles. 

LEVOIT Air Purifiers and Replacement Filters Set for Home Large Rooms
  • 1 of LEVOIT Air Purifier for Home Bedroom, H13 True HEPA Filter for Extra-Large Room, Air Cleaners for Allergies and Pets,Mold,Pollen,Dust,Smoke and Odor Eliminator, Auto Mode and Timer,LV-PUR131
  • 1 of LEVOIT Air Purifier LV-PUR131 Replacement Filter, True HEPA & Activated Carbon Filters Set, LV-PUR131-RF

4. Levoit LV-H133 Tower Air Filter Review

Levoit Air Purifier Reviews
Coverage 538 sq ft (50 sq m)
Filtration 3-Stage Filtration (Preliminary, HEPA, Activated Carbon)
Filter Lifespan6 – 8 months
Size 12 x 12 x 23 inches
Weight 23.7 lb
Noise Level25 – 54 dB
PriceCheck Current Price On Amazon

In the medium-sized category of air filters, the Levoit LV-H133 is the king. Most ideal in rooms about 538 square feet, it comes with an Auto Mode for automatically changing the operations of the air purifier as per the prevailing air conditions. 

With the 3-Stage Filtration system by Levoit, the H133 will clean the air in Room 538 square feet in only 15 minutes. For a larger room up to 1076 square feet, it’ll only take 30 minutes to have fresh and clean air in circulation. It works great in eliminating allergens such as pet dander and others in a short while. 

The Good

  • Large area of coverage for large rooms. 
  • Low noise operation. 
  • 360° operation whereby the air purifier takes in and blows air all around it for a uniform purification. 

The Not-So-Good

  • Some customers report the air purifier not cleaning the air as effectively as stated which could be a settings issue. 

If you have a large room and need pure fresh, look no further than this air purifier. 

LEVOIT Air Purifiers for Home Large Room With Air Quality Monitor, Quiet Odor Eliminators for Bedroom, 3-in-1 Filter, Auto Mode, Cleaner for Allergies, Pets, Smoke, Mold, Pollen, Dust, LV-H133, White
  • 𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐟𝐨𝐫 𝐄𝐱𝐭𝐫𝐚-𝐋𝐚𝐫𝐠𝐞 𝐎𝐩𝐞𝐧 𝐏𝐥𝐚𝐧 𝐀𝐫𝐞𝐚: With a CADR of 466 m³/h / 274 CFM, the LV-H133 is specially designed for rooms with large open floor plans such as living rooms, kitchens, loft apartments, basements and mancave. Enjoy fresh air in only 30 minutes in rooms as large as 1150 ft²
  • 𝟑-𝐒𝐭𝐚𝐠𝐞 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Ease sneezing, congestion, and other allergy symptoms caused by airborne contaminants. It includes the Pre-filter, Efficient Filter and Efficient Acativated Filter
  • 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐜 𝐂𝐨𝐦𝐟𝐨𝐫𝐭: When Auto Mode is switched on, the built-in infrared sensor will detect the air quality and adjust fan speeds to an optimum level. With such simple operation, you can always enjoy fresh air with ease
  • 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐋𝐄𝐕𝐎𝐈𝐓 𝐅𝐈𝐋𝐓𝐄𝐑𝐒: Only use genuine Levoit replacement parts to maintain the best performance (Search for LV-H133-RF or B07DVWWC44
  • 𝐋𝐨𝐰 𝐂𝐨𝐬𝐭, 𝐋𝐨𝐧𝐠 𝐋𝐢𝐟𝐞𝐬𝐩𝐚𝐧: With a rated power of 49W, you can use the LV-H133 all day during times of high pollution without inflating your energy bill. The unique bionic shock absorption design prolongs the life cycle of the engine for up to 20,000 hours

5. Levoit Core 300 Air Purifier Review – (Best Overall Value)

Levoit Air Purifier Reviews
Coverage 215 sq ft 
Filtration 3-Stage Filtration (Preliminary, HEPA, Activated Carbon)
Filter Lifespan6 – 8 months
Size 8.7 x 8.7 x 14.2 inches
Weight 7.5 lb (3.4kg)
Noise Level24 – 52 dB
PriceCheck Current Price On Amazon

The Levoit Core 300 also comes with the unique 3-Stage Filtration system found in all Levoit air purifiers. As far as odors, allergens, and any impurities in the air go, this air purifier does one of the best jobs in rooms about 200 square feet. 

This air purifier also comes with a durable and high-precision bearing, ensuring a long service life. This, combined with the 2-year limited and lifetime support from Levoit, gives you the peace of mind of knowing you can use it without worry. 

In our use of this air filter, we noted that it did a great job clearing up the room of impurities. However, some customers report a strong plastic smell and a rattling sound even when it’s new. Most often, there is a loose part that needs fixing. Our unit worked fine during the test period. 

The Good

  • Low-noise operation. 
  • Small and light fit for any bedroom, office, and small room. 
  • Ozone free thus, it won’t damage the environment.

The Not-So-Good

  • No auto mode for automatic operation. 

This is a unit you can rely on for small rooms to do away with allergens and impure air in general. 

LEVOIT Air Purifier for Home Allergies Pets Hair in Bedroom, Covers Up to 1095 ft² by 45W High Torque Motor, 3-in-1 Filter with HEPA sleep mode, Remove Dust Smoke Pollutants Odor, Core300-P, White
  • A 45W long-life high-torque motor, a versatile 8.7" x 8.7" x 14.2" size, a 7.48 lb weight, a 141CFM CADR and up to 219 ft² of purification area for original filter. Levoit Original Filter is HEPA-grade while operating in Sleep Mode, as tested by an independent lab
  • 𝐇𝐈𝐆𝐇 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Enjoy fresh air in minutes with the Core 300-P Air Purifier ( Model No.: Core 300), which has a CADR of 141 CFM/240 m³/h and can purify the air of 219 ft² space once/hour (based on Levoit's Original Filters; not applicable to other replacement filters)
  • 𝐅𝐈𝐍𝐃 𝐑𝐄𝐋𝐈𝐄𝐅: Our filter has a strong filtration performance of ultrafine particles. 99.97 percent filtration efficiency for 0.1~0.3μm airborne particulates, including pollen, dust, and animal dander allergens.Tested by an independent lab
  • 𝐎𝐅𝐅𝐈𝐂𝐈𝐀𝐋 𝐋𝐄𝐕𝐎𝐈𝐓 𝐅𝐈𝐋𝐓𝐄𝐑𝐒: Search for B07RSZSYNC to find Levoit's replacement filter for Core 300-P air purifier, Model No.: Core 300. Levoit filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier
  • 𝐌𝐔𝐋𝐓𝐈𝐏𝐋𝐄 𝐅𝐈𝐋𝐓𝐄𝐑 𝐂𝐇𝐎𝐈𝐂𝐄𝐒: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs. The Smoke Remover filter specializes in wildfire, smoke and etc. And the Pet Allergy Filter helps to capture pet dander and absorb unpleasant odors

6. Levoit Core P350 Air Purifier Review – (Best If You Have Pets)

Levoit Air Purifier Reviews
Coverage 219 sq ft 
Filtration 3-Stage Filtration (Preliminary, HEPA, Activated Carbon)
Filter Lifespan6 – 8 months
Size 8.7 x 8.7 x 14.2 inches 
Weight 7.5 lbs
Noise Level24 – 50 dB
PriceCheck Current Price On Amazon

If you’re a fan of small and circular yet powerful air purifiers, the Levoit Core P350 is your go-to solution against impure air and allergens. With Levoit’s industry-leading 3-Stage Filtration system, the P350 will eliminate allergens such as pollen, pet dander, and others while operating silently. 

The circular design enables a 360° airflow, meaning all room parts will be appropriately served with clean air no matter where you place the air purifier. While it has an average CADR of 141, the figures for certain allergens are 141, 140, and 145 for smoke, dust, and pollen, respectively. It means you’re well-guarded against them. 

The Good

  • A 3-stage filtration system ensures thorough air purification. 
  • Quiet operation at all levels of the fan. 
  • Small and cheap enough to obtain several of them if you wish to. 
  • Wi-Fi and app features make it easy to use. 

The Not-So-Good

  • A customer reported that it doesn’t perform well in filtering cigarette smoke. 

We recommend this air purifier for medium-sized rooms and for those who wish to have clean air on a budget. 

LEVOIT Air Purifiers for Pets in Home Large Room and Bedroom, Efficient Activated Carbon Filter for Hair Dander Odors, Captures Smoke, Dust, Mold, Pollen, Pet Lock, Sleep Mode, Core P350, Grey
  • 𝐍𝐞𝐮𝐭𝐫𝐚𝐥𝐢𝐳𝐞 𝐀𝐋𝐋 𝐒𝐭𝐢𝐧𝐤𝐲 𝐒𝐦𝐞𝐥𝐥𝐬: Cute as they are, pets can smell sometimes. Now introducing Efficient Activated Carbon Filter - the effective odor eliminator for pet odors, litter box smells, and cooking smoke..etc. After many tests, the deodorization rate could be reached over 92%
  • 𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐟𝐨𝐫 𝐏𝐞𝐭 𝐏𝐚𝐫𝐞𝐧𝐭𝐬: Experiencing coughing, congestion, or breathing difficulties caused by pets. Levoit Core P350 provides 3-in-1 Filtration to reduce sneezing, itchiness, and stuffy nose by purifying the air you breathe
  • 𝐍𝐨 𝐌𝐨𝐫𝐞 𝐎𝐝𝐨𝐫: With the patented ARC Formula technology, Core P350 is the perfect air purifier for home to eliminate any odor around your kitchen, wardrobe, shoes box, carpet, toilet. And you're left with only clean, crisp, fresh air.
  • 𝐂𝐥𝐞𝐚𝐧𝐞𝐫 𝐇𝐨𝐮𝐬𝐞 𝐭𝐡𝐚𝐧 𝐄𝐯𝐞𝐫: Did you know an air purifier can save you a lot trouble of cleaning. It's certained with P350. The fine Non-Woven Fabric Pre-Filter traps large floating particles such as pet fur, hair, dust, and lint, helping to reduce the amount of debris on your carpet and furniture.
  • 𝐒𝐥𝐞𝐞𝐩 𝐒𝐚𝐟𝐞 & 𝐒𝐨𝐮𝐧𝐝: Don't ever worry about your furry friend being disturbed by the air purifier - Sleep Mode turns display indicators to half-brightness and keeps noise levels as low as 24dB, so you can sleep while cuddling with your cute little one.

7. Levoit LV-H132 Air Purifier Review – Discontinued

Levoit Air Purifier Reviews 7
Coverage 129 sq ft 
Filtration 3-Stage Filtration (Preliminary, HEPA, Activated Carbon)
Filter Lifespan6 – 8 months
Size 8.5 x 8.5 x 14.6 inches
Weight 6.6 lbs
Noise Level27 – 50 dB

At 6.6 pounds, the Levoit LV-H132 air purifier is a very small air purifier meant for small rooms, bedrooms, and desks. Even with its tiny dimensions, it comes with cutting-edge technologies, among them the 3-Stage Filtration system, which ensures that up to 99.97% of all airborne impurities in the house are filtered out. 

With a maximum noise level of 50 decibels, even the highest setting won’t disturb you when you’re in a deep sleep. 

The only regret we have about this air purifier is the lack of an Auto Mode. However, we think it was omitted to reduce the cost because such an air purifier is expected to be within arm’s reach at all times. All in all, it’s one of the best small air purifiers for its features and low price point. 

The Good

  • The quietest Levoit air purifier. 
  • Small and light for ease of carrying around. 

The Not-So-Good

  • No Auto Mode. 
  • Small area coverage. 

The Levoit LV-H132 is meant to purify the air around you and in small rooms and does an excellent job at it. 

AIRJOI Bamboo Charcoal Air Purifying Bag (3-Pack), Activated Charcoal Odor Absorber, Natural Air Freshener Removes Odor and Moisture, Odor Eliminator for Car, Closet, Bathroom, Pets, Shoes
  • [Natural Air Purification]: Airjoi bamboo charcoal bags are made from 100% natural bamboo charcoal, a highly effective and friendly air purifier. Say goodbye to unpleasant odors and enjoy fresh, clean air in your home, car, or office.
  • [Versatile and Long-Lasting]: These air purifying bags are perfect for eliminating odors from various spaces such as closets, bathrooms, pet areas, and more. With proper care, they can last up to two years, providing long-lasting freshness.
  • [Eliminates Odors]: Airjoi bamboo charcoal bags work like magic to absorb and eliminate unwanted smells. Whether it's pet odors, smoke, musty smells, or food aromas, these bags are your ultimate odor-fighting solution.
  • [No Fragrances]: Unlike traditional air fresheners that mask odors with strong fragrances, Airjoi bamboo charcoal bags trap and neutralize odors without the use of fragances. Breathe easy knowing your air is clean and free from artificial scents.
  • [Long Lasting and Reusable]: Airjoi bamboo charcoal bags are not only effective but also friendly. The bamboo charcoal can be rejuvenated by placing the bags in direct sunlight every 1-2 months, making them a reusable choice.

Buyers’ Guide: What to Look for When Buying Levoit Air Purifier

Although most Levoit air purifiers share some features, you still need to focus on some aspects to find the most suitable one for your situation: 

1. Size and Coverage 

The size of the air purifier determines the coverage area since a large unit will also cover a larger area. When choosing an air purifier, consider its size and how much floor space it covers. Most air purifiers will have the coverage area indicated on them. Although an air purifier can cover twice the indicated coverage area, it’ll take longer to clean the air. 

Also, consider where you will use the air purifier and match that with the size. If it’s a desk or bedroom one, you don’t need that much coverage and can go for the smaller one without compromising the air quality. 

2. Filtration Process

Levoit’s 3-Stage Filtration system is a great feature found in all their air purifiers, and it sets them apart from the rest of the market. The three filtration stages are as follows:

  • Fine preliminary filter: this stage catches large airborne particles such as pet fur, fibers, lint, and others. 
  • True HEPA filter: this stage captures up to 99.97% of all air particles to a size as small as 0.3 microns. 
  • Activated Carbon filter: this stage of the filtration process absorbs odors, smoke, and other pollutants. 

All the air purifiers we reviewed from Levoit have the 3-Stage purification process as a common feature. 

3. CADR Value

CADR refers to the Clean Air Delivery Rate, which is the cubic feet per minute (CFM) of air with particles that an air filter has cleaned. CADR is the number of air particles removed from the air passing through an air purifier. 

For this one, the higher the rating, the better the purifier. If you have allergies to common pollutants like pollen, smoke, and pet dander, you should use an air purifier with a high CADR value.

4. Noise Level

Levoit air purifiers are among the quietest on the market, with none going beyond 57 decibels. However, you need to choose the noise level as per the purpose of the air purifier. If you’re getting one for the living room, you can safely choose one with a higher noise level as it’ll not wake you up at night, given the distance to the bedroom. However, if you’re buying an air purifier for the bedroom or desk at work, you need a quiet one to avoid distracting yourself or waking yourself up. 

5. Other features

Besides the aspects above, you should also consider the following when choosing a Levoit air purifier:

  • Auto Mode: the auto mode in some Levoit air purifiers helps get the freshest air with the least input from the user. This is because it automatically adjusts the fans’ speed as per the air quality. The air purifier will crank up the fans in filthy air, increasing the purification rate and vice versa. This is convenient and saves on power usage to prevent the purifier from running all day.
  • Wheels for Movement: on bigger Levoit units, you will find wheels that make it easier to move them around. 
  • Indicator for Filter Replacement: the filter replacement feature is quite important since it eliminates guessing during the filter replacement process. When the filter needs replacing, the air filter will notify you saving lots of time. On average, a filter will last between 6 and 8 months before needing replacement. 

Many features are shared between Levoit air purifiers, with the ease of use, maintenance, and warranties all being the same. For example, you’ll get a warranty for two years on each unit. 

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