Best Air Purifier Under 300 - Rankings in 2023

LEVOIT'S MOST POWERFUL AIR PURIFIER: A juggernaut at purifying your air in any room. It scans the tiny contaminants and uses enhanced technology to keep your air cleaner than ever, an easy solution for whole house purification

TESTED CADR FOR ULTRA-LARGE ROOMS: VortexAir Technology 3.0 enables the Core 600S to improve indoor air circulation and purify 1,588 ft² spaces 2x per hour (CADR: 410 CFM / 697 m³/h). It’s great for open floor plans and high-ceiling houses

H13 TRUE HEPA FILTRATION: 3-stage filtration, including an H13 True HEPA Filter with HEPASmart Technology, achieves a better purification effect than common HEPA filters of lower quality, capturing at least 99.97% of airborne particles 0.3 microns in size

QUIET DAYS, PEACEFUL NIGHTS: QuietKEAP Technology provides maximum filtration with minimal noise levels as low as 26dB. The Light Sensor turns off display lights when it detects darkness, so you can always sleep soundly

SENSITIVE AUTO MODE: Levoit’s exclusive AirSight Plus Technology is twice as accurate as an infrared laser, detecting particles down to 0.3 microns in size. Turn on Auto Mode and the air purifier will automatically adjust the fan speed setting for you and update the display to keep you informed

SMART AND VOICE CONTROL: Fully control the Core 600S and monitor your air quality with just a tap in the free VeSync app! Through VeSync, you can connect to Amazon Alexa or Google Assistant and give the air purifier voice commands while your hands are full—just say the word!

SAVE ENERGY, SAVE MONEY: The maximum power of this air purifier is only 49W—much lower than other wide-coverage air purifiers. ECO Auto Mode automatically turns off the fan speed when the air quality is “Very Good” to conserve energy

FULLY CERTIFIED FOR SAFETY: At Levoit, we make your family’s health and safety our top priority. The Core 600S is ETL listed, as well as FCC, CARB, and Energy Star certified

Advanced Swedish Design: Swedish Filter Technology Captures 99% of Airborne Pollutants Like Viruses, Pollen, Dust, Pet Dander, Mold, Bacteria and More

Eliminates odors. Activated carbon filter reduces gases, VOCs, and annoying odors from pets, smoking, cooking, wildfires and more

Colorful. Includes machine washable fabric pre-filters in diva blue and dark shadow. Leave the mesh filter housing exposed for a Scandinavian look

Quiet. No louder than a whisper on the lowest speed (31 decibel.) and equivalent to the noise level of rainfall on the highest setting (56 decibel.)

Low energy consumption. Rated by energy star for low energy consumption (30–60 w). Energy consumption: 30 – 61 watts. Sound level-31 - 56 dB(A)

Independently tested. Performance Certified by Aham to filter room air 5x an hour in medium to large bedrooms, living rooms and spaces up to 540 square feet

EPA Establishment 90081-CHN-001

OZONE FREE: Use your purifier with peace of mind. This Levoit air purifier is 100% ozone free and does not use UV-C light or anion purification methods that can cause harm to the user

PROFESSIONAL AIR CARE: The H13 True HEPA Filter works alongside the Pre-Filter and Activated Carbon Filter to target dust, pollen, pet dander, VOC's, tobacco smoke, household odors from pets, cooking, and other allergies. Better than H11 HEPA, H13 HEPA filters 99.97% of airborne particles 0.3 microns in size

EXTRA-LARGE CLEANING AREA: The LV-H134 purifies air in 2340 ft² rooms in one hour, and 1170 ft² rooms in 30 minutes (CADR 530), making it perfect for living rooms, bedrooms, apartments, offices, kitchens, basements and playrooms. The wheeled design helps to bring fresh air to every room of your home

POWERFUL DESIGN: Enjoy the fresh air on all sides with help from the air purifier's tower structure and 360° air circulation for quick, efficient filtration

UNDISTURBED REST: Sleep soundly by turning off the display light, setting a timer for up to 12 hours, and selecting Sleep Mode for noise levels as low as 23dB

CLARITY AND CONFIDENCE: The Auto Mode uses a Laser Dust Sensor to measure the surrounding air and automatically adjust the fan speed in real-time. You can easily view the PM2.5 value on the display, which shows the amount of detected particles within 1 cubic meter

SLEEK AND STYLSIH: The minimalist tower design and streamlined, intuitive controls make the air purifier a seamless, elegant addition to any space

NOTE: Genuine Levoit replacement filter for LV-H134 is back in stock. Please search for B07DVYFBNY for purchase

Coway Airmega AP-1512HHS air purifier is designed to accommodate room sizes up to 325 square feet.

Coway Airmega AP-1512HHS True HEPA and Activated Charcoal Filters capture and reduce up to 99. 97% of particles 0. 3 microns in the air, including pollen, pollutants and other allergens. It also reduces more than 90% of volatile organic compounds and reduces fumes such as NH3 and CH3CHO. And it comes with a washable and permanent pre-filter to catch larger dust particles.

Works with Coway IoCare mobile application which includes indoor and outdoor air quality monitoring, filter notification, scheduling, and speed and smart mode control.

Works with Alexa. Ask Alexa about the indoor air quality, or to change the fan speed. You can also set up smart reorders through the Alexa app for filters, to keep your purifier running at its best.

Pollution sensor communicates indoor air quality in real-time. Brightly colored LED lets you know how clean or dirty your indoor air is every minute of the day. Also features a timer and a filter-lifetime indicator.

Energy efficient air purifier with three manual fan speeds plus Auto mode. Auto mode automatically optimizes the fan speed based on the level of indoor air quality. When no pollution is detected for 30 minutes, the fan will automatically stop and enter Eco mode to save energy.

Timer feature allows device to run 1/4/8 hours before automatically powering off.

80-watt power consumption and quiet operation with noise level range from 24. 4 dB to 53. 8 db.

MAXIMUM COVERAGE: Cleans spaces up to 1,000 sq ft in one hour, 500 sq ft in 30 minutes (CADR 230). Ideal for homes, apartments, bedrooms, living rooms, offices, schools, universities, classrooms, hospitals, restaurants, and other businesses.

HEPA H13 FILTRATION: Trusted to remove 99.9% of harmful particles including allergens, odors, VOCs, smoke, pollen, pet dander, dust, smog, contaminants, and more down to 0.1 microns in size. Captures finer particles than HEPA H11 (0.3 microns).

ULTRA QUIET: Choose from 3 fan speeds, with the lowest setting operating virtually silent. Runs at 110 Volts at a min noise level of 35dB and max of 51dB. For the most discreet operation, enable sleep mode to completely dim the unit's panel lights.

EASY TO USE FEATURES: Includes a sleek touch screen operation panel with 0-8 hour timer, fan speed, sleep mode, filter replacement indicator, and child lock, great for both kids and pets.

QUALITY TESTED & BACKED: CARB, ETL, and Energy Star certified. Backed by a USA registered Lifetime Warranty when genuine Medify replacement filters are used. The replacement filter (B086WNRWV2) lasts 2,500 hours or about 3-4 months.

❤️24/7 Live Chat Support: FREE upgrade to FULL Replacement GUARANTEE. No need to return. We treat you like family and so we want you to be 100% happy! With any questions, please reach out to us and our wonderful people will be there for you.

❤️Maximum Coverage: the centrifugal wheel design creates a stronger airflow that cleans room up to 1080sq.ft in just 45minutes. Combined with UV light and Ionic generator, you feel the fresh air in minutes.

❤️Better than most the air purifiers on the market: Its 5-in-1 Filtration System filters 99.97% of dust, pollen, smoke, and pet dander. This air purifier filters particles as small as 0.3 microns and more which will help improve your overall health. This is perfect for pet owners, babies, children, the elderly, and anyone who wants to improve the air quality in their home.

❤️Smart Air Quality Sensor: Know your air quality in real-time by checking the color on the display. In automatic mode, the fan speed automatically adjusts according to air quality.

❤️Ultra Quiet, Sleep Mode & Low Energy Consumption: 60 Watt only at High speed. Its lowest setting will use less than 50 cents a month in electricity. In sleep mode, it is virtually silent.

Performance you can trust; Third-party tested for performance by the AHAM Verified Program for a Clean Air Delivery Rate of Smoke 353, Pollen 380, Dust 347

Removes 99% of fine particles from wildfires​; In 60min. Tested on PM 2.5 (GB/T 18801-2015)

Recommended for large rooms; Completely filters air in large living rooms, family rooms & playrooms about every 12.5 minutes (4.8x an hour at 550 square feet) on high

Intuitive Auto mode; Automatically adjusts to real-time conditions reported by the particle sensor to maintain a comfortable home environment

Low noise and energy; Quietly cleans the air with less noise than a whisper⁶ on low (23 dB) and up to a normal conversation on high (56 dB) – while using less energy than a light bulb (4-38 W) on all speeds⁷

Customize freely; Washable fabric pre-filter in Arctic Trail (gray) included; Additional pre-filter colors inspired by Scandinavian nature sold separately

High Performance Air Filtration – Easy to replace medical grade H13 True HEPA 99.97% filter and activated carbon pre-filter for dust mites, pollen, and pet dander as well as cooking and household odors. Filter included and replacement filters are available on Amazon.

Designed For Large Rooms & Saving Energy - Powerful low EMF radiation DC motor with four speeds and delivers more than DOUBLE the air output using up to 85% LESS electricity than other air purifiers. Lowest setting will use less than 50 cents a month in electricity. Covers 1,500 sq ft (1 air change per hour) and 375 sq ft (4 air changes per hour). CADR rated at 200CFM / 340m³/h (AHAM standard).

Real-Time Air Quality Monitor - Advanced PM 2.5 sensor measures and detects changes in air quality. In auto mode, the fan speed will auto adjust to clear the air quickly and automatically. Displays real-time PM 2.5 levels, temperature, and humidity.

Advanced Features - Four fan speeds for ultra quiet operation, optional ionizer and UV-C light, real-time air quality / temperature / humidity display, filter / UV bulb change indicator, a timer to shut off automatically, and sleep mode to run in complete darkness.

Support - InvisiClean is a US company with customer support in the USA. California Air Resources Board [CARB] certified compliant for sale in California. Power: 110V Only.

MAXIMUM COVERAGE: Cleans large spaces up to 1,600 sq ft in one hour, 840 sq ft in 30 minutes (CADR 380). Ideal for homes, apartments, bedrooms, living rooms, offices, schools, universities, classrooms, hospitals, restaurants, and other businesses.

HEPA H13 FILTRATION: Trusted to remove 99.9% of harmful particles including allergens, odors, VOCs, smoke, pollen, pet dander, dust, smog, contaminants, and more down to 0.1 microns in size. Captures finer particles than HEPA H11 (0.3 microns).

ULTRA QUIET: Choose from 3 fan speeds, with the lowest setting operating virtually silent. Runs at 110 Volts at a min noise level of 46dB and max of 66dB. For the most discreet operation, enable sleep mode to completely dim the unit's panel lights.

EASY TO USE FEATURES: Includes a sleek touch screen operation panel with 0-8 hour timer, fan speed, sleep mode, filter replacement indicator, and child lock, great for both kids and pets.

QUALITY TESTED & BACKED: CARB, ETL, and Energy Star certified. Backed by a USA registered Lifetime Warranty when genuine Medify replacement filters are used. The replacement filter (B07RSC6C46) lasts 3,000 hours or about 6 months.

MAXIMUM COVERAGE: Cleans spaces up to 1,000 sq ft in one hour, 500 sq ft in 30 minutes (CADR 230). Ideal for homes, apartments, bedrooms, living rooms, offices, schools, universities, classrooms, hospitals, restaurants, and other businesses.

HEPA H13 FILTRATION: Trusted to remove 99.9% of harmful particles including allergens, odors, VOCs, smoke, pollen, pet dander, dust, smog, contaminants, and more down to 0.1 microns in size. Captures finer particles than HEPA H11 (0.3 microns).

ULTRA QUIET: Choose from 3 fan speeds, with the lowest setting operating virtually silent. Runs at 110 Volts at a min noise level of 35dB and max of 51dB. For the most discreet operation, enable sleep mode to completely dim the unit's panel lights.

EASY TO USE FEATURES: Includes a sleek touch screen operation panel with 0-8 hour timer, fan speed, sleep mode, filter replacement indicator, and child lock, great for both kids and pets.

QUALITY TESTED & BACKED: CARB, ETL, and Energy Star certified. Backed by a USA registered Lifetime Warranty when genuine Medify replacement filters are used. The replacement filter (B0859NYXTW) lasts 2,500 hours or about 3-4 months.