The Best Indoor Air Purifiers

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  • June 13, 2019

Guardian Technologies, LEVOIT

Whether you’re a parent, a pet owner, or just a regular meatbag with a pair of lungs, it’s vital to have good air quality at home. Unsurprisingly, an air purifier is the best tool to keep your air clean.

Indoor air pollution has been identified as a serious health risk by the EPA, and there’s a good chance that the inside of your home is teeming with nasty particles. These particles and VOCs (volatile organic compounds) can come from poor ventilation, pets, mold, smoke, perfumes, new furniture, and outdoor pollution.

While you could improve your air quality by opening a window or replacing your A/C’s air filter (do that too), a dedicated air purifier will ensure that the air you’re breathing is as clean as possible.

The thing is, there are a ton of air purifiers on the market, and they’re all suited for different situations. Some air purifiers only work well in a single room, while others provide whole-home coverage. Some purifiers (and their replacement filters) are expensive, while others are relatively cheap. That’s why we’ve taken the time to find the best air purifiers for everyone’s needs.

Another thing to keep in mind that we’re mostly focusing on traditional, fan-based purifiers and will specifically mention if a filter has an ionizer. Ionic air purifiers “clean” the air by releasing negatively charged ions, which draws in nasty particles. Do you know how static-covered balloons stick to walls? That’s basically how ionic purifiers work. The thing is, they don’t get rid of dust, and they’re bad for people with asthma.

The Best Budget Pick: The GermGuardian AC4825 ($80)

The GermGuardian AC4825 3-in-1 Air Purifier
Guardian Technologies

The GermGuardian AC4825 is an affordable, straightforward air purifier that looks like a space heater or a standing fan. It has a coverage of 167 square feet (a large bedroom), a pre-filter, a HEPA filter, and a built-in UV-C (blacklight) to kill germs and viruses that might be in your air. It also has three fan speeds and a filter-change light, which is handy if you don’t like to crack open your air filter every few weeks.

Because of the GermGuardian’s odd shape, you can’t use it with standard A/C filters. Instead, you have to buy GermGuardian branded filters. They’re a little expensive, so if you expect to go through a lot of filters (you’re an indoor smoker, or you live with ten cats), then it may be worth getting a larger air purifier that takes cheaper filters, like the Pure Enrichment air purifier.

The Premium Pick: The Alen BreatheSmart Classic ($689)

The Alen BreatheSmart Classic Large Air Purifier
Alen

If you’re looking for an air purifier that can quietly clean the air throughout your entire home (or workplace), then you should check out the Alen BreathSmart. This air purifier has a room coverage of 1,100 square feet, quiet fans, a single large HEPA filter, and a built-in air quality monitor that routinely checks for nasty particles and VOCs. And while the BreathSmart’s filters are a bit expensive, they should last for a year of regular use.

The Alen BreathSmart is clearly intended for whole-home air purification (with a price tag to match), but its shining feature is its “auto” option. It has a built-in air quality monitor, so it can automatically increase or decrease its fan speeds to match the quality of your air. This makes it particularly great for office settings, or for anyone that hates to fuss with an air purifier throughout the day. It’s also worth mentioning that this model has an ionizer, but it can be turned off if you don’t like it.

For Smarthomes: The LEVOIT LV-PUR131 ($190)

The LEVOIT LV-PUR131 Air Purifier
LEVOIT

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