Air Purifiers Under $400

Ozone generator air purifier with 2 ozone plates for 2500 square feet

Works well. I can smell the familiar ozone smell.. Henry. Fri Jan 17 2025

36 Watt UV Air Purifier with Airflow Sensor and 16" Bulb

It helped with an air quality.. Anonymous. Tue May 12 2026

The Puraclenz Photon P3000X is designed to eliminate pollutants in the air as well as on exposed surfaces and fabrics thanks to its Photocatalytic Oxidation (PCO) technology. It deactivates mold spores, neutralizes bacteria and viruses, and reduces odors. Product is certified ozone-free and safe for people, pets, and plants. DIM: 5.1"D x 5.1"W x 11.25”H Enjoy tailored comfort with 5 fan speeds for customizable airflow and noise levels, and benefit from the quiet, undisturbed sleep provided by Dark Mode. For those tougher mold and air quality issues, the 4-Hour Boost Mode delivers powerful, quick results. The easy-to-use touch interface with clear light indicators ensures straightforward operation, making it simple to maintain a fresh and safe environment in any space.

Great air purifier! Works great and is very reliable. Michelle. Houston, TX. Sat Sep 19 2026

The Shark Air Purifier MAX uses Pure Air Microforce to deliver fast, powerful, and quiet purification. Clean Sense IQ senses air quality & auto-adjusts to improve air quality and report results in real time. A HEPA filter captures 99.98% of airborne particles like allergens, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns). Cleans up to 1200 square feet.

Totally worth the investment!!. Sky. Tallahassee, FL. Tue May 12 2026

This product provides optimum air purification and air cleaning while reducing maintenance and saving you money on energy. It features a 9-stage detection, diagnostic, filtration, and purification system. The air shield is the newest model from advanced pure air, a recognized leader in home air purification. By building on years of proven performance by our advanced pure air brand of air purifiers, the air shield represents state-of-the-art performance and features, while at the same time gracing the home or office with an elegant stylish design that provides whisper-quiet operation. The air shield is the Ultimate air purifier for individuals and families who are looking for optimum germ, dust, pet dander, and allergy relief. Our product is backed by toll-free technical support for as long as own your air shield air purifier.

This is a very good air purifier. The unit is very quiet when it is running. Good design!. Loretta. Houston, TX. Mon Aug 31 2026

OVAL AIR is an affordable indoor H-13 HEPA air filter designed to make your home safer and healthier - without sacrificing style. Customize your air filter to match your decor with changeable covers in the trendiest colors. Reduce allergens and odors at school or at home; in the bedroom, nursery, or office. H-13 HEPA filters are ozone-free and remove over 99% of indoor air pollutants, cleaning up to 600 sq ft. Modern, space-saving design is slim enough to fit neatly into any room.

This is the most stylish air purifier I’ve had. It is whisper quiet. It fits in nicely with the decor in my apartment.. Joan. Brighton. Mon Sep 21 2026

Featuring a 4-stage air purification system, this unit removes 99.99% of airborne particles as small as 0.003 microns in size. Winix’s PlasmaWave® Technology may help to reduce the presence of airborne pollutants, allergens, and impurities. The unit’s built-in Smart Sensors detect and monitor the quality of air in your environment and provides a visual representation of your current air quality. When in Auto Mode, the unit automatically adjusts fan speeds to ensure efficient and cost-effective cleaning. Sleep mode is automatically activated when the room is darkened, providing quiet operation. The WiFi feature allows you to connect your air purifier to the Winix Smart App and monitor the air quality in your home, control your air purifier, and track filter life.

This hepa air purifier works very well. It’s quiet even when on high and takes out the cooking smells from my open kitchen. I am very happy with my purchase and would recommend getting it.. Michele. Bronx, NY. Fri Jun 12 2026

Ozone generator air purifier with 3 ozone plates for 3500 square feet.

72 Watt UV Air Purifier with Airflow Sensor and 16" Bulbs

Fahad. Delta, BC. Thu Feb 12 2026

Dyson HushJet compact purifier is Dyson's most powerful, small-format purifier. Basing their design on that of jet engines, Dyson engineers developed HushJet air projection, which minimizes noise while purifying rooms of up to 203 sq ft. So, it’s compact in size yet powerfully circulates air throughout the entire room.

I think it's got a censor that checks the air quality and adjusts the fan strength according to the aqi! I didn't expect that! I did crank it up to max one day to see what it can do and it was not very loud in my opinion. The phone app will help you keep track of when it is time to change the filters.. Vegas Slims. Smokey Idaho. Fri Sep 25 2026

Meet Shark BreatheClear Compact Pro with NeverChange filtration. Shark senses more to react faster, with no filter changes up to 6 yrs. Scans & reacts to odors, particles, and VOCs like paints & aerosol sprays. HEPA-exceeding filtration captures 99.98%+ of particles.

This machine keeps my house smelling clean and beautiful. I absolutely love this machine and the color goes so well with the paint on my wall, from benjamin moore. Anonymous. Boynton Beach Florida. Fri Sep 25 2026

The Windmill Air Purifier Max is a sleek, smart, and ultra-quiet air purifier designed for the modern home. With 3-in-1 True HEPA filtration and an advanced laser-based air quality sensor, it helps capture odors, smoke, VOCs, and 99.97% of harmful airborne particles (down to .3 microns) from your air. Connect the purifier to the Windmill Air app to track your Air Quality Index (AQI), set schedules, and enable extra features (like Child Lock). Two sleep modes (Whisper and White Noise), a deep-cleaning Boost mode, and a smart, auto-adjusting Eco mode make breathing clean air easier and more intuitive than ever.

Love it! It reduced dust in my bedroom and keeps air nice and fresh!. Anneliese. Richmond Va. Thu Aug 13 2026

Keep your air Clorox clean. The Clorox Ultra Air Purifier with UV-C Light is ideal for extra-large living spaces, open concepts and those living with allergies, asthma or poor outdoor air. It provides exceptional filtration beyond HEPA standards* and captures 99.99% of airborne germs** so you can breathe cleaner air. Through an innovative 4 stage design, it delivers optimal 360 air purification. After capturing particulates as small as 0.1 microns in a 3-stage filter, the UV-C light further reduces airborne germs*** at the final stage. You'll always know your current air quality because the air quality sensor provides real-time feedback 3 ways. The PM2.5 digital display shows the current volume of particulates in your air, the color-coded light indicates air quality to 6 levels, and the auto mode automatically adjusts to the ideal cleaning speed in response to changes in your air quality. CADR-rated and certified by Energy Star. Includes 1 Clorox filter that lasts 6-12 months and a UV-C bulb that lasts 12 months.*****

Works great with out making a lot of noise. Christine. Montauk, NY. Sat Nov 22 2025

Enjoy cleaner indoor air throughout larger living spaces with the LG PuriCare 360 Smart Air Purifier, designed with advanced multi-filter filtration and all-around air delivery for powerful everyday performance. The filtration system captures fine dust and allergens such as pollen and pet dander to help deliver cleaner air where and when you need it most. A unique 360-degree airflow design promotes cleaner air circulation in every direction, including areas closer to the floor, helping support more complete room coverage throughout spaces up to two thousand fifty-nine square feet. The compact, lightweight design also makes the purifier easier to move while taking up less space in your home. Built for convenient day-to-day use, the PM 1.0 sensor detects particles as small as one micron to help monitor indoor air conditions in real time. The intelligent LED indicator system changes color as indoor air quality improves, providing quick visual updates at a glance. Built-in notifications alert you when it is time for filter replacement to help maintain ongoing performance. Designed for quieter operation, the LG PuriCare 360 can run at whisper-quiet sound levels as low as twenty-three decibels for more comfortable daytime and nighttime use.

I am a friend, family member or LG employee, and I received this product for free or at a discounted rate in exchange for my honest review. All opinions expressed in this post are personal and should not be attributed to LG. I recently received this unit and wait to write an honest review after usage. We have two pets at home, so keeping the air clean was a top priority when picking a purifier. This one's been a great fit. Provides fresher air, and it handles pet hair and smells well without being noisy or bulky. Easy to set up and use daily. Would recommend to anyone with pets looking for a reliable purifier.. Hyun92. Teaneck, NJ. Fri Sep 11 2026

AirDoctor 2000 provides powerful purification for small rooms, medium/small bedrooms, nurseries, and home offices. It circulates the air in 305 sq. ft. 4x/hour or in 610 sq. ft. 2x/hour.

Great service. Easy and on time. Patricia. Calgary, AB. Sun May 31 2026

36 Watt UV Air Purifier with Airflow Sensor and 12" Bulb.

BLACK+DECKER Air Purifier featuring advanced UV Technology is a state-of-the-art air purifier meticulously engineered to cater to large rooms, making it an ideal choice for those seeking comprehensive air purification solutions for their entire home. With its robust 4-stage filtration system, this air purifier ensures that you enjoy unparalleled air quality in spaces up to 1250 sq. ft., based on 5 air changes per hour. Start with the Pre-filter, which captures larger particles such as dust and pet hair, protecting the subsequent filters and prolonging their efficiency. Next, the True HEPA H13 filter comes into play, adept at removing airborne micro particles such as allergens, dust mites and pet dander as small as 0.3 microns. This HEPA filter air purifier is designed to eliminate 99.9% of pollutants. The Activated Carbon filter is a crucial component, adept at neutralizing household odors and secondhand smoke, while the Photo-catalyst filter adds an extra layer of protection by removing spores and mold. Adding to its impressive repertoire, the Anion function emits negative ions, serving as an ionic air purifier that attaches to dust particles allowing them to easily attach to the charged HEPA filter. Our innovative UV technology incorporated in this air purifier reduces the presence of mildew and bacteria, safeguarding your home environment. With a 173 CFM Average CADR and other ratings (165 Dust, 192 Pollen, 161 Smoke), this large room air purifier is efficient and effective, ensuring rapid purification of your living spaces. Our HEPA air purifiers for home also feature a touch control panel, remote control, silent and sleep mode functions and a shut-off timer for up to 8 hours. Air quality indicator. 5'L power cord. Replacement AF3 filter sold separately.

Great for bedrooms due to how quiet it operates!. Nancy. Funkstown, MD. Wed Apr 29 2026

Ozone Generator Air Purifier with 3 Ozone Plates and UV for 3500 Square Feet +

Does not work, blows fuses when plugged in. Lee Stinnett. Maceo Ky. Tue Jul 11 2023

The OdorStop OSAP3700 is a HEPA Air Purifier/Ozone Generator with UV, Active Carbon, TiO2, Ionizer, and 3 Ozone Plates.

I have 2 cats… my house was starting to smell. I got one of these and it made a world of difference. The ozone setting really worked!. Anonymous. Wed Feb 11 2026

Filter at least 99.97% of airborne particles down to 0.3 microns in size with the large-coverage Levoit PlasmaPro® 600S-P Smart Air Purifier. With smart control, customizable settings, and real-time updates, you can know and clean your air without worry.

It has reduced the amount of dust in our home which is worth it on its own. Bought especially for fire smoke season in MT and we’ve noticed an improvement as well as reducing odors when we cook in our open concept yurt. Very happy.. Melanie. MT. Tue Jul 28 2026

The Haven Plus HVAC Whole-House In-Duct Air Purifier and deodorizer helps your entire family take a fresher breath. We combine ultraviolet light, patented Pro-Cell, and AirFresh technologies in this powerful air purifier. Whole-house UV light in-duct HVAC purifier reduces airborne viruses, mold, and more before they circulate. Plus, the carbon filter and Pro-Cell help eliminate chemical odors, leaving your home fresh every day. The 16" UVC lamp provides better coverage in the air duct system. Choose Haven Plus from Air Health for simple installation, energy efficiency, and easier breathing.

Easy to install. Took about 1hr but my furnace is in the attic. Seems to be working just great. Christopher. Orem, UT. Mon Jun 15 2026

Ozone Generator Air Purifier with 2 Ozone Plates and UV for 2500 Square Feet +

Easy and simple works great. Anonymous. Wed Jun 17 2026

The air filtration unit does not require much assembly. You should take into consideration how and where you will place this unit. It can be mounted horizontally and vertically. This unit will work best if it is located away from corners, and has heating/cooling vents. If used on sawhorses the air filtration unit should be clamped in place. This unit is specifically designed to circulate and filter non-metallic dust, which is generated throughout the work area.

Meet Shark BreatheClear with NeverChange. Shark senses more* to react faster, with no filter changes up to 6 yrs. Scans & reacts to odors, particles, and VOCs like paints & aerosol sprays. HEPA-exceeding filtration captures 99.98%† of particles.

Great air purifier! I was dreading it, but I finally got the notification that the pre filter needed to be cleaned and it wasn’t even that hard. This has really helped with my allergies from allowing my cat in my bedroom. I went from weekly asthma attacks to not even remembering when my last one was. Definitely could’ve gotten the smaller one, but I might still get it and move this out to the main area.. Annie M.. Choctaw, OK. Wed Sep 23 2026

Who should consider the Austin Air “it” personal air purifier? Those looking for personal protection against viruses and bacteria Frequent travelers who need clean air in their hotel room, Air BnB, RV, or boat Anyone seeking to reduce pollen, dander, spores, and other allergens in their personal space Individuals with general indoor air quality concerns in small spaces Those who work at a desk who are sensitive to workplace contaminants Clean air just got personal! With the Austin “it” personal HEPA air purifier – your compact solution for clean and fresh air. Made of durable steel and designed to sit discreetly on your desk or tabletop. Equipped with the same quality of Austin Air HEPA that our customers have enjoyed for more than 30 years. Effectively captures 99% of airborne particles .1 microns and larger, including dust, pollen, pet dander, bacteria, viruses, and allergens. The perfect travel companion wherever you go. Also available with a VOC Wrap* to adsorb chemicals, gases, and VOCs. This sleek and stylish air purifier provides you with a constant stream of purified air. With whisper-quiet operation, the Austin “it” won’t disrupt your work or relaxation time!

7-in-1 HEPA Air Purifier/Ozone Generator with UV and Active Carbon. Includes 3 Ozone Plates and Remote Control.

Adjustable Oxygen Flow，At 1-2L/min, the ox-concentration can reach 93 ± 3%

High-Capacity 3-Speed Air Purification Delivers powerful, adjustable airflow at 655, 875, and 1060 CFM to efficiently capture fine dust, smoke, and particles, providing industrial-grade air purification for workshops, garages, and large spaces. Convenient Wireless Remote Control Operate all functions—power, fan speed, and timer—from anywhere in your space with the included wireless remote, designed for responsive, interference-free control without needing line-of-sight. Programmable Timer with 3 Settings Set the built-in timer to automatically shut off after 1, 2, or 4 hours for hands-free operation and energy savings, ideal for completing projects or maintaining air quality after work. Tool-Free, Washable Dual-Stage Filters Features easy-to-replace carbon filters: a 5-micron outer filter for larger debris and a 1-micron inner filter for fine dust. Both are washable and require no tools for maintenance. Complete Hanging Hardware Included Comes with mounting hooks, chains, and all necessary hardware for secure overhead installation, freeing up floor space and optimizing air circulation. ETL Certified & 120V Operation ETL listed for safety, operating on standard 120V/60Hz power—ready for reliable, continuous use in demanding workshop and industrial environments. Built for Woodworking & Shop Environments Engineered to manage airborne contaminants from sanding, cutting, and finishing tasks, helping to maintain clear, breathable air in garages, shops, trailers, and large residential spaces.

home machine oxigeno

Complete set of accessories, you don't need to prepare additional accessories

home oxygenerator machine

with Dual Battery -Small 3L Portable Oxygen Concentrator

Complete set of accessories(Dual Battery:5000MAH*2), you don't need to prepare additional accessories

1L-90% Household Oxygen Generator-tube Continuous Machine for Home Use with Accessories

The SereneLife Air Scrubber features a high-efficiency 3-stage filtration system with MERV-10, carbon, and HEPA filters, effectively capturing 99.97% of particles ≥0.3 microns, including dust, allergens, and airborne pollutants. Its versatile airflow adjustment (270-550 CFM) allows for optimal performance in both industrial and home environments. Designed for durability, the air scrubber is built with high-quality plastic housing and a sturdy rotomolded shell. It offers 5,500 sq. ft. of coverage and can be stacked and daisy-chained for even larger spaces. Ideal for removing dust and odors, it’s a must-have for tough environments like flood and fire cleanup.

1L-90% Household Oxygen Generator-tube Continuous Machine for Home Use with Accessories

Improve water quality and support aquatic life with this high-output pond aerator. Designed for ponds up to 3 acres, the unit features a 550W (3/4 HP) oil-free compressor that delivers 5.2 CFM of air to increase dissolved oxygen levels. An adjustable flow-control valve allows you to customize aeration intensity for seasonal changes, ensuring reliable performance in temperatures ranging from 23°F to 104°F.

Dual-battery 3L Portable Oxygen Concentrator Machine with Accessories

Why Bosch Air Purifiers? The air you breathe impacts the life you live. Concentrations of some pollutants are often 2 to 5 times higher inside than they are outside, according to the U.S. EPA. Given that most Americans spend 90% of their time indoors, having clean air at home is critical for health and well-being. This is where Bosch can help. Using innovative filtration technology, Bosch Air Purifiers are designed to remove up to 99% of impurities in the air. Whether you are dealing with dust, smog, or allergies, Bosch Air Purifiers filter the air for a cleaner, safer home. Our air purifiers come in three sizes—Air 2000, 4000, and 6000—depending on the needs and square footage of your home. With smart sensors, an automatic mode setting, and easy-to-use controls, you can breathe easy knowing that your air is filtered by Bosch. Smart Sensors Bosch's smart sensors detect pollutants and automatically adapt to the air quality and room using the Auto Mode Feature. All-in-One Filter A Bosch Air Purifier can remove over 99% of the impurities in the air with an all-in-one Pre-filter, Activated carbon filter, HEPA layer, and an additional anti-bacterial layer included with the Air 6000. Quiet Mode The Bosch Air series will reduce noise to a whisper and turn off all lights – leaving nothing to distract you from a good night’s sleep. Child Lock Once the unit is powered on, simply press and hold the power button for 3 seconds to enable the child lock feature.

Defend your home from pollutants with Levoit Eleva 500X Air Purifier. With system-level HEPA filtration, and DuoShield Technology, Eleva allows you to pair a long-lasting HEPA Filter with a replaceable, specialized Activated Carbon Filter to help target pet odors, cooking smoke and fumes, or lingering household smells while capturing airborne allergens. Use the VeSync app to customize settings, create schedules, and track filter life, making it easy to create a cleaner, more comfortable home.*Based on ASTM F3150-18.

[This review was collected as part of a promotion.] I really enjoy this purifier. I love that it senses air quality and adjusts itself based upon that. It’s very quiet, even when on high. I’ve noticed that it does think my air quality is decreased when I have a candle burning, so I have to turn it off when I light a candle. Otherwise, I do feel like my air quality is improved and everything smells a little cleaner. I received this product for free in exchange for a review.. Anonymous. Mon Oct 05 2026

The OdorStop OSAP3600 is the perfect choice for a large living room or open-floor plan. The unique wide body structure and rear air intake design gives this unit a modern look. Our OSAP3600 filters have a large surface area to insure maximum particle retention and longest filter life possible

Moves air nicely. It enters dirty, from the backside - then leaves fresh and clean from its top.. Jonny. IA. Fri Apr 28 2023

72 Watt UV Air Purifier with 16" Bulbs

72 Watt UV Air Purifier with 12" Bulbs

The TRIO Plus Portable Air Purifier combines cutting-edge air treatment processes into one powerful system. It’s designed to purify large areas effectively with a Clean Air Delivery Rate (CADR) of 305 CFM, ensuring healthier air in any space. Ideal for: Allergy Sufferers: Captures airborne irritants like pollen, dust, and dander to reduce allergy symptoms. Health-Conscious Homes: Protects against harmful pollutants, bacteria, and viruses, improving indoor air quality. Smokers & Pet Owners: Effectively neutralizes odors from smoke and pets, leaving the air fresh and clean. Commercial & Office Spaces: Excellent for use in office buildings, conference rooms, and commercial spaces to keep employees and customers breathing clean air. Why Choose TRIO Plus? The TRIO Plus Portable Air Purifier combines multiple advanced filtration technologies into one compact, powerful unit. Its energy-efficient, whisper-quiet operation makes it perfect for any setting, from homes to large commercial areas. If you’re looking for an air purifier that handles a variety of airborne pollutants, reduces harmful germs, and improves overall air quality, this is the solution for you. Invest in cleaner, healthier air for your space today!

This is the Ferraris of air purifiers. I previous had a great air purifier that I loved. When this one arrived I could not believe how much larger it was than my previous unit. This thing is amazing! So many settings. I love the high speed setting for when I am cooking food that has a lot smell. I turn on the high speed and the smell is totally gone within 10-15 minutes. Love the UV light for cold and flu season. I feel like I don’t have to dust my whole house when running this.. Christine. US. Fri Jan 10 2025

This air purifier whole home purifier system cleans the air using HEPA filtration, Ionization, Photo-catalytic Oxidation (PCO), and adjustable Ozone generation. The MA-4000 removes odors caused by pets, tobacco smoke, and cooking as well as trapping and eliminating particles as small as 0.01 to 0.3 microns. Advanced PCO technology combines the natural cleaning power of a UV-C germicidal bulb with a Ti02 filter to vaporize contaminants and microorganisms such as mold, mildew, bacteria, viruses, and germs. A 20KV Ionizer produces radically charged ions that collect or clump dust, pollen, and other particles in the air; so they fall to the floor and can be swept or vacuumed away. This product offers the optional power of a two-plate Ozone generator to clean and sanitize not just the air but also surfaces and fabrics. The adjustable ozone can be used to destroy odors, pollutants, and microorganisms in your home, office, and car. This lightweight and portable purification system, with a CADR rating of 108, is small enough to fit almost anywhere. This product is a powerful home purifier that provides a variety of settings, allowing it to be effective in almost any indoor environment and in areas from 1,000 to 3,000 square feet.

It gets rid of odors from cooking. Freda. Indianapolis, IN. Mon Sep 02 2019

Breathe cleaner air with advanced filtration, smart sensors, and quiet operation—ideal for large rooms and modern living spaces.

Immediately felt a difference with the air quality. Kate T. New York, NY. Sat Nov 16 2024