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Best Air Purifier

Indoor air pollution exists, and it can be the same - if not worse - compared to the air outdoors. For healthier air indoors, an air purifier is the easiest place to start. There are many air purifiers on the market offering different types of air purification, such as HEPA, ionization, UV, or a combination of purification types, along with additional filters to remove odors from the home. When looking for the best air purifier, take into consideration the amount of space the purifier is rated for, the type of purification it offers, the cost of replacement filters, and its ease of use.

Best Air Purifier

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Coway AP-1512HH

Coway’s AP-1512HH air purifier remains one of the best purifiers on the market. In tests performed by other publications, it outperformed the competition costing twice as much when cleaning a roughly 300 sq-ft room. With a 3-stage filtration system (pre-filter, odor filter, and true HEPA filter) plus ionizer, it's easily capable of cleaning and recirculating the air in most spaces. On the top panel, an air quality indicator light shows you in real-time what the current air status is. Switch it over to auto mode, and it will clean the air when it senses pollution. The AP-1512HH also comes with a timer and Eco Mode; for the latter, the fan will shut off automatically if no indoor pollution is detected for 30 minutes, and will reactivate when it detects pollution again. Unfortunately the only downsides are the need to replace the odor and HEPA filters instead of being able to wash them, along with the lack of a dedicated low-light/noise night mode. Beyond the two minor downsides, the Coway AP-1512HH is the best air purifier overall on the market.

Okaysou AirMax 8L Air Purifier

Out of the plethora of affordable air purifiers on the market today, Okaysou's AirMax 8L caught our attention based on its features and capabilities. Though the external design takes no risks, it houses a total of 5 filters along with a large, vertically-aligned fan set directly against the filters for maximum output. The filter assemblies are separated into two distinct units - the first cartridge contains a pre-filter, HEPA filter, and an antimicrobial filter. The second cartridge carries a honeycomb-style activated carbon matrix for odor control, along with a cold catalyst mesh that neutralizes VOCs and airborne chemical substances. The lowest of the three fan speeds is whisper-quiet; even at the fastest setting, the AirMax 8L is no louder than a typical house fan. At $120, it's priced right too - the cheaper alternatives won't offer this much filtration or air circulation capacity, while higher performers cost three times as much. The 5-year warranty is unheard of in this category, though it requires registration to activate. For the money, there's nothing that comes close.

Hamilton Beach 04383A Air Cleaner

The Hamilton Beach 04383A air purifier offers an affordable way to clean the air in a space up to 160 sq. ft. in size. This tower design model can be used horizontally or vertically, making it simple and convenient to set up. The 04383A uses a permanent HEPA-type filter than reduces airborne allergens such as dust and pollen by up to 99 percent. The filter can be simply vacuumed clean, with no need to endure the hassle or expense of replacing filters. This air purifier has a choice of three speeds, with the low setting being quiet enough for use in a bedroom. Overall, the Hamilton Beach 04383A air purifier is easy to maintain and use, works well, and is budget-friendly.

Honeywell True HEPA Air Purifier 50250-S

This best-selling model from Honeywell has a unique round design which allows for 360-degree airflow. This allows the 50250-S to be well-suited for use in large rooms, while still remaining relatively inexpensive to purchase. The 50250-S uses a true HEPA filter to remove up to 99.97 percent of allergens such as pet dander, dust, and pollen. The carbon pre-filter removes larger particles from the air, as well as reducing odors from sources such as smoking, pets, or cooking. This air purifier has three speeds to choose from, and a built-in filter life indicator to eliminate the guesswork in routine maintenance. The Honeywell 50250-S is capable of purifying air in a large space, is easy to maintain, and is an excellent value choice overall.

Germ Guardian AC4825 3-in-1 Air Cleaning System

This compact tower model air purifier is suited for rooms of small-to-medium size. The Germ Guardian AC4825 uses a true HEPA filter to remove up to 99.97 percent of allergens commonly found in the air, while an activated carbon filter simultaneously reduces odors caused by cooking, smoking, and pets. A UV light effectively kills airborne viruses and bacteria, resulting in cleaner, fresher, and healthier air. This air purifier makes a noticeable difference in air quality while being quiet enough to be unobtrusive. Although the HEPA filter does need semi-regular replacement, it can be gently vacuumed to extend its life. For a smaller-to-medium space, this is an excellent choice.

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