Best compact air purifier of 2025

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Written by Connor Manion

Updated November 19, 2025

Best Pick

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1

9.8/10 (18,426)

1

HATHASPACE HSP002 True HEPA Air Purifier

HATHASPACE HSP002 True HEPA Air Purifier

9.8/10 (18,426 reviews)

Coverage Area: 1,500 sq ft

Filter Type: Pre-filter (5-in-1 system including H13 HEPA)

Great for: Large rooms and allergens

Key Feature: Smart air quality sensor

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100+ bought in past month

Runner-Up

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2

9.4/10 (8,667)

2

HATHASPACE HSP002 H13 True HEPA Filter Replacement, 4-Stage Air Purifier Filter with Activated Carbon, Zeolite, Pre-Filter & Cold Catalyst, Captures Dust, Smoke, Odors, VOCs, Easy to Install, 1 Pack

hathaspace hsp002 h13 true hepa filter replacement, 4-stage air purifier

9.4/10 (8,667 reviews)

Verified HEPA filter

4-stage purification process

More activated carbon than competitors

Easy Replacement

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700+ bought in past month

Honorable Mention

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3

10/10 (18,426)

3

HATHASPACE HSP001 True HEPA Air Purifier

HATHASPACE HSP001 True HEPA Air Purifier

10/10 (18,426 reviews)

Floor Area Covered: 700 sq ft

Filter Type: HEPA H11

Great For: Allergens and dust

Key Features: Shows air quality information

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100+ bought in past month

Air purifiers use a fan to pull air impurities into filters to trap them before circulating fresh, clean air back into the room. The first thing to consider when investing in an air purification system is size. Air purifiers are available in many sizes and can cover different square footage amounts, so you will want to measure the size of the room you plan to use it in. This makes sure the purifier will function efficiently and effectively, so that you won’t spend more money or use more energy than necessary. After you know the square footage of the room for your air purifier, it is time to decide on a filtration method. There are many choices, but the most common are HEPA (high-efficiency particulate air) and carbon. HEPA filters remove 99.97% or more of airborne particles like dust, pollen, bacteria, and mold. Carbon filters absorb odors from smoke, cleaning chemicals, personal care products and other air contaminants. Using an air purifier with both types of filtration will remove more pollutants as the filters work together for maximum efficiency. Another thing to consider is the cost. Air purifiers can range in price from around $50 to over $1000. Before setting a budget, keep in mind that the two most important factors are the 99.97% removal of air pollutants and the square footage requirement of your room. You also may want to see if a warranty and customer support are included with your purchase so your clean, fresh air will be a worry-free, long-lasting investment.

On Amazon

9.7

Based on 18,426 reviews

SMART FILTER FOR BEDROOM: Our 4-in-1 filter system targets pollen, dust, pet dander, VOCs, smoke, and odors - the H11 HEPA filter captures 99.9% of particles down to 0.3 microns. Our lightweight device is portable, allowing you to improve air quality wherever you need it. Our smart air quality sensor & touch-screen display makes the purifier easy to use & adjust your settings, & also shows air quality information.,EXCEPTIONALLY SILENT: Designed for quiet operation, making it perfect for use in bedrooms and living rooms. The purifier's efficiency in capturing dust and particles - see just how much our air purifiers for home can assist and support the bodys natural response,EASY TO USE & INSTALLATION: Built to easily identify, access, and change your filters - our purifier comes with multiple fan speed options, enabling you to set the pace of air filtration to suit your needs. Included is a remote to easily adjust the speed to your preference and turn the light on & off when needed - with the auto mode as well to facilitate real-time adjustments based on your room's air quality, & ITS QUIET!,REMOVE ODORS, SMOKE, & VOC'S: Both an air cleaner & odor eliminator, our air purifier features a unique honeycomb activated-carbon filter that absorbs odors, smoke, and VOCs. With a state-of-the-art fan and motor, enjoy clean air delivered quietly and efficiently in your home, bedroom, office, kitchen, basement, dorm, apartment, or living room.,FEATURE: Before using the Ionizer/Anion feature, be sure to clear the room of humans and animals and wait 30 minutes after completing before reentry. This feature should be used in unoccupied spaces only. Using the ionizer in an occupied space can cause irritation and injury.,FIND RELIEF: Our purifiers come with a 2-year warranty, award-winning customer support 7 days a week, and the peace of mind with a brand you can trust. You can also find our replacement filters to ensure you have fresh air all year around!

Pros

Floor Area Covered: 700 sq ft
Filter Type: HEPA H11
Great For: Allergens and dust
Key Features: Shows air quality information

On Amazon

Buying Guide

Air purifiers use a fan to pull air impurities into filters to trap them before circulating fresh, clean air back into the room. The first thing to consider when investing in an air purification system is size. Air purifiers are available in many sizes and can cover different square footage amounts, so you will want to measure the size of the room you plan to use it in. This makes sure the purifier will function efficiently and effectively, so that you won’t spend more money or use more energy than necessary. After you know the square footage of the room for your air purifier, it is time to decide on a filtration method. There are many choices, but the most common are HEPA (high-efficiency particulate air) and carbon. HEPA filters remove 99.97% or more of airborne particles like dust, pollen, bacteria, and mold. Carbon filters absorb odors from smoke, cleaning chemicals, personal care products and other air contaminants. Using an air purifier with both types of filtration will remove more pollutants as the filters work together for maximum efficiency. Another thing to consider is the cost. Air purifiers can range in price from around $50 to over $1000. Before setting a budget, keep in mind that the two most important factors are the 99.97% removal of air pollutants and the square footage requirement of your room. You also may want to see if a warranty and customer support are included with your purchase so your clean, fresh air will be a worry-free, long-lasting investment.

HATHASPACE HSP001 True HEPA Air Purifier