Air Purifiers Reviews

Who's better?

Levoit vs IQ Air

We've analyzed the best Air Purifiers to help you find the right solution for your needs.

2025 Air Purifier Reviews

Here you can see how Levoit and IQ Air match up head-to-head in a battle for the Best Air Purifiers in 2025.

Winner

Levoit

  • Pricing: $39.97 to $499.99
  • Coverage: 200 to 500+ square feet
  • 3-stage filtration, smart controls with app integration, and quiet operation

Levoit offers air purifiers in product lines including the Core series ($50 to $250), Vital series ($120 to $190), EverestAir ($499.99), PlasmaPro ($290 to $350), and LV series ($39.97 to $236.98). While lots of customers find Levoit purifiers satisfactory, some air purification experts are concerned about their designs and whether they meet True HEPA standards. Levoit offers a 30-day return policy and a 2-year warranty. However, their customer service is hit-or-miss. We'd recommend Levoit, but they don't earn our top spot.

IQ Air

  • Pricing: $399 to $10,000+
  • Coverage: 70 square feet to entire building
  • HyperHEPA technology filters viruses and bacteria

IQAir offers you high-end air purifiers with HyperHEPA technology that can filter out even the tiniest particles, including viruses and bacteria. While their products are quite expensive, they provide the best air filtration money can buy, for personal use to whole-house systems. Your warranty can allegedly be extended up to 10 years, but it requires extra steps and ongoing filter purchases, and some customers have not had their warranties honored. Overall, IQAir seems to be best suited for commercial spaces (and commercial budgets).

After a long day, you walk in to find the living room thick with stale air and a musty funk. You crack a window for relief, but the breeze drags in pollen that sets off a sneezing fit - not exactly the fresh start you wanted. If that sounds familiar, it's a sign you could use an air purifier. The right model scrubs odors and allergens so you can keep the windows closed and still breathe easier. It's a small change that makes coming home feel good again.

Air purifiers can clear pollutants, allergens, and stubborn odors, leaving your space cleaner and more comfortable. They're not a cure‑all, though; HEPA‑equipped models can help lower the risk of airborne virus transmission - including the virus that causes COVID‑19 - by filtering out particles, but they should complement other preventive steps. For the best results, pick a unit sized for the room, run it where you spend the most time, and replace filters as recommended.

An air purifier can make a real difference for many people, especially if you deal with allergies or asthma, because it pulls common irritants like pollen, dust, and pet dander out of the air. If you're exposed to heavy traffic pollution or seasonal wildfire smoke, it'll help strip out the fine particles that aggravate your lungs. Even if you're perfectly healthy, cleaner indoor air - and fewer lingering odors - can make your home feel fresher and more comfortable. For the best results, choose a unit with a true HEPA filter and run it in the rooms where you spend the most time.

Air purifiers come in several forms, each using a different method to clean the air. The most common option is a HEPA filter, the workhorse that captures 99.97% of particles down to 0.3 microns - think dust, pollen, and even some bacteria. Because they catch so much, HEPA filters need periodic replacement to stay effective.

Activated carbon filters excel at scrubbing odors and gases from the air, easily tackling cooking smells, smoke, and sharp chemical fumes. They're especially useful in kitchens or workshops where odors tend to linger. For best results, pair them with a HEPA filter and replace the carbon regularly so it doesn't saturate.

UV-C air purifiers rely on short-wave ultraviolet light to neutralize bacteria and viruses, and they're often paired with HEPA or activated-carbon filters for a more complete clean. In that setup, the UV light tackles germs while the filters catch particles and odors, so you get broader coverage. Many models keep the UV lamp enclosed inside the unit to avoid direct exposure.

Ionizers work by emitting negatively charged ions that latch onto dust, pollen, and other airborne particles, causing them to clump together and drop out of the air. The catch is that some units also generate ozone, which can irritate your lungs and harm your health. If you're considering one, look for ozone-free certifications or keep the space well ventilated, and weigh the trade-off - cleaner-looking air versus potential irritation - before you buy.

When shopping for an air purifier online, consider the following factors:

Top Consumer Reviews has evaluated and ranked the best air purifiers available. We hope this review helps you find the best air purifier for your needs. With the right air purifier, you can breathe easier and enjoy cleaner, fresher air in your home, office, or even car.

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Air Purifier FAQ

What is an air purifier?
Air purifiers are machines that clean the air in a room or in an entire home or office. They remove pollutants like pollen, pet dander, and dust mites from the air you breathe. Given that the EPA says that the level of indoor pollutants can be as much as five times higher than outdoors, it's obvious why so many people use an air purifier to breathe easy!
How does an air purifier work?
An air purifier draws in the air from the environment, passes it through a filter that catches pollutants and/or odors (depending on the filtration type you choose), and pushes out clean air into the room. Some purifiers are portable, while others are installed with your HVAC system to clean the air in your whole house.
What's the difference between a carbon filter and a HEPA filter?
HEPA stands for High-Efficiency Particulate Air; these filters remove 99.97% of any particles that are 0.3 microns or larger, making them the best choice if you're trying to remove dust mite residue, pollen and pet dander particles from your air. Carbon filters target chemicals and odors, like cigarette smoke, kitchen smells, pet odor, and so on.
Are air purifiers expensive?
They can be - but they don't have to be. You can find small single-room air purifiers for under $60, but most fall in the $200-$700 range. Whole-house air purification systems are going to be the most costly, usually from $1,000 to $5,000+ (which includes professional installation). And, don't forget to factor in the cost of filters, which will need to be replaced periodically depending on the manufacturer's recommendations.
How often do I need to change the filters on my air purifier?
Check the instructions on your machine. Yours may have filters that can be cleaned and reused, or they may have to be replaced every time. Expect your air purifier to have anywhere from 2-6 filters that need to be changed every 6-12 months - but again, be sure to read the specs on your particular air purifier and follow the recommended maintenance schedule.
How long should I run my air purifier?
Most manufacturers recommend running your air purifier continuously. If yours comes with multiple speeds, you can set it to a lower speed while you're away to save energy and then turn it up when you return.
How much space will my air purifier cover?
That depends on the machine you choose. If you buy a portable one designed to cover a single room, it will typically cover up to 700 sq.ft. Read the specs carefully to determine if the air purifier you're considering will be effective in the space where you intend to use it. For larger-scale air purification, a whole-house model might be a better investment.
Will an air purifier be noisy?
Not necessarily. Most machines will be louder when you first turn them on, to get a good start on cleaning the air in the room you're in. But, once the pollutants have largely been removed, the fan speed usually slows down automatically for quieter operation. They're typically not much louder than a portable fan.

Compare Any 2 Products

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IQ Air
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