Different Guide is reader-supported. We may earn commissions on qualifying purchases.

10 Best Duct Air Purifiers
for July 2022

Recommendations are independently chosen by Different.Guide editors. Purchases you make through our links may earn us a commission.

1
9.7
SCORE
Uniclima Air Knight PX5 Air Purification System, HVAC UV Light and Air Ionizer for Air Conditioning System Duct, Air Ionizer Purifier Ozone for Home

Uniclima Air Knight PX5 Air Purification System

HVAC UV Light and Air Ionizer for Air Conditioning System Duct, Air Ionizer Purifier Ozone for Home

by Air Knight
What We like

FEATURES AND SPECS - 9" model, AC 24V 50/60Hz with expanded range ballast for increased reliability. LED indicator light to verify correct operation. Long lasting UV Light up to 2 years. No maintenance required

more infoarrow_drop_down

Product Features

  • EASY PROFESSIONAL INSTALLATION - the system is easily mounted into HVAC system air ducts by a professional. Must be connected to 24V power. Hardware and instructions included
  • ODOR FREE AIR - Designed for both commercial and residential use. This active purification technology improves indoor air quality.
  • UV LIGHT HVAC - Ultraviolet UV light for air conditioning system destroys the molecular bonds that hold together the DNA, making the air cleaner and safer which helps allergy and asthma relief
  • IONIZER AIR PURIFIER - Air ionizers create negative ions using electricity and then discharge them into the air. These negative ions attach to positively charged particles in the room.
2
9.5
SCORE
Original PURE AIR UV AIR Purifier Whole House Dual UV UVC Light in Duct for HVAC AC Duct GERMICIDAL Filter

Original PURE AIR UV AIR Purifier Whole House Dual UV UVC Light in Duct for HVAC AC Duct GERMICIDAL Filter

by Pure Air UV
What We like

EPA Est. No. 97280-FL-1

more infoarrow_drop_down

Product Features

  • Easy to install.
  • All our units have an electronic ballast and a LED to see if unit is on.
  • Original OEM R-18D model by Pure Air UV.
3
9.5
SCORE
Green Air Pro 2 Plate HEPA Alpine Air Purifier Ozone Generator

Green Air Pro 2 Plate HEPA Alpine Air Purifier Ozone Generator

by JB Innovative Products, Inc.
What We like

Ozone Timer: 30 mins up to 3 hours

more infoarrow_drop_down

Product Features

  • Large Backlit LCD Display, Covers up to 3500 sq.ft.
  • UV Lamp System
  • HEPA Filter
  • NOW COMES WITH AND USES TWO PURIFIER PLATES FOR TWICE THE PURIFICATION POWER, ODOR REMOVAL
4
9.2
SCORE
Blueair Blue Pure 211+ Auto Large Area Air Purifier with Auto mode for allergies, pollen, dust smoke, pet dander with HEPASilent technology and washable pre-filter

Blueair Blue Pure 211+ Auto Large Area Air Purifier with Auto mode for allergies

pollen, dust smoke, pet dander with HEPASilent technology and washable pre-filter

by Blueair
What We like

Low noise and energy; Quietly cleans the air with less noise than a whisper 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 speeds

more infoarrow_drop_down

Product Features

  • HEPASilent technology; Delivers more clean air with less energy and noise; Activated carbon traps light odors
  • 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
  • Removes 99% of fine particles fromwildfires; In 60min. Tested on PM 2.5 (GB/T 18801-2015).
  • 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
5
8.9
SCORE
OdorStop OS72PRO UV Air Purifier - 72 Watt System with Energy Saving Airflow Sensor and 16” Bulbs

OdorStop OS72PRO UV Air Purifier

72 Watt System with Energy Saving Airflow Sensor and 16” Bulbs

by OdorStop
What We like

OS7212PRO available for installation in ducts with less than 17" of depth. EPA Est. No. 94721-CHN-1

more infoarrow_drop_down

Product Features

  • Energy Saving Airflow Sensor Turns Unit On Only When the HVAC System is Operating
  • LED Indicator Lights Verify Proper Bulb and Unit Operation, Installs in Minutes, Step-by-Step Instructions with Pictures
  • 2-16, 36 Watt UVC, 254NM Bulbs, 120 Volt, 6 Foot Power Cord, 8"H x 8"L x 3"D
  • LED Indicator Lights Verify Proper Bulb and Unit Operation, Installs in Minutes, Step-by-Step Instructions with Pictures
6
8.9
SCORE
Blueair Blue Pure 211+ Air Purifier 3 Stages with Two Washable Pre-Filters, Particle, Carbon Filter, Captures Allergens, Odors, Smoke, Mold, Dust, Germs, Pets, Smokers, Large Room

Blueair Blue Pure 211+ Air Purifier 3 Stages with Two Washable Pre-Filters

Particle, Carbon Filter, Captures Allergens, Odors, Smoke, Mold, Dust, Germs, Pets, Smokers, Large Room

by Blueair
What We like

EPA Establishment 90081-CHN-001

more infoarrow_drop_down

Product Features

  • Advanced Swedish Design: Swedish Filter Technology Captures 99% of Airborne Pollutants Like Viruses, Pollen, Dust, Pet Dander, Mold, Bacteria and More
  • 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 (3060 w). Energy consumption: 30 61 watts. Sound level-31 - 56 dB(A)
  • 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
7
7.7
SCORE
TruSens Medium Air Purifier with UV-C Light + HEPA Filtration | Filters Pet Dander, Odor, Allergies, Smoke, Bacteria, Dust, Mold | 668 sq ft. Room Coverage | For Home Offices, Bedrooms, Kitchen

TruSens Medium Air Purifier with UV-C Light + HEPA Filtration

Filters Pet Dander, Odor, Allergies, Smoke, Bacteria, Dust, Mold, 668 sq ft. Room Coverage, For Home Offices, Bedrooms, Kitchen

by TruSens
What We like

TRUSENS: TruSens is designed for your lifestyle. Our focus was to create an air purifier that is beautifully designed, simple to use, and beneficial to your living space. Trust TruSens for cleaner air.

more infoarrow_drop_down

Product Features

  • DETAILED LED DISPLAY: Air conditions in your home can change rapidly. Information is power and TruSens purifiers give you the power to manage your homes air quality. The color-coded LED display will provide the peace of mind from knowing that TruSens is taking action on your behalf. Our air purifiers were designed with a simple touch controls for all the functions that matter most, including fan speeds, auto-timer, UV mode and filter replacement indicators.
  • CAPTURES AND DESTROYS POLLUTANTS: 360-degree DuPont HEPA filtration captures pollutants such as airborne viruses, allergens, and certain VOC gases. Ultraviolet light (UV-C) kills germs and bacteria trapped in the filter.
  • SMARTER SENSING: Most traditional purifiers don't know the air quality in the room. TruSens does, and reacts. Our remote SensorPod will actively monitor the air quality of the room and take action. Placed across the room, SensorPod communicates back to the TruSens purifier so it can automatically adjust its fan speed. This way, you can be certain the entire room is benefiting from cleaner air.
  • DUAL AIRFLOW: PureDirect proprietary technology splits clean air into two air streams, delivering purified air more comfortably and efficiently throughout the room. Bi-directional airflow delivers purified air more effectively throughout a room, and in some cases, has been proven to be up to 24% more efficient than traditional air purifiers with vertical airflow.
8
7.7
SCORE
LEVOIT Air Purifier for Home Large Bedroom, H13 True HEPA Filter, Air Cleaner for Pets Hair Dander Allergies Odors, 99.97% Removal of 0.3 Microns Dust Smoke Mold, Available for California, Core P350

LEVOIT Air Purifier for Home Large Bedroom

H13 True HEPA Filter, Air Cleaner for Pets Hair Dander Allergies Odors, 99.97% Removal of 0.3 Microns Dust Smoke Mold, Available for California, Core P350

by LEVOIT
What We like

How to Find Replacement Filters: Search for B087R7ZFPB or Core P350-RF to find the official Levoit True HEPA 3-Stage Pet Allergy Filter. Levoit replacement filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier.

more infoarrow_drop_down

Product Features

  • Sleep Safe & Sound: Don't ever worry about your furry friend being disturbed by the air purifier - Sleep Mode turns display indicators to half-brightness and keeps noise levels as low as 24dB, so you can sleep while cuddling with your cute little one.
  • Safety First: Unlike other air purifiers, the Core P350 doesn't use ions to purify the air, keeping your pets safe from harmful exposure to certain particles.
  • Cleaner House: Did you know an air purifier can help you spend less time cleaning. It's possible with P350. The fine Non-Woven Fabric Pre-Filter traps large floating particles such as pet fur, hair, dust, and lint, helping to reduce the amount of debris on your floor and furniture.
  • Powerful, In Many Ways: Large house with a lot of pets. No problemthe Core P350 can purify a 219 ft room in just 12 minutes.
  • Weve Got Your Back: Levoit is full of people who love their pets, just like you do. Based in California and always innovating, we create products that care for our customers and their homes.
9
7.7
SCORE
OdorStop OS721 - 72 Watt UV Air Purifier with 16

OdorStop OS721

72 Watt UV Air Purifier with 16" Bulbs

by OdorStop
What We like

Buyers Beware: The effectiveness of a UV air purifier is based on the wattage and length of the UV bulbs. The higher the wattage, the more effective the unit will be at purifying the air.

more infoarrow_drop_down

Product Features

  • 2-16", 36 Watt UVC, 254NM Bulbs, 120 Volt, 6 Foot Power Cord
  • LED Indicator Lights Verify Proper Operation
  • Installs in Minutes, Step-by-step Instructions with Pictures
  • OS7212 - OdorStop 72 Watt UV Air Purifier with 12" UV Bulbs are available for installation in ducts with less than 16" of depth, EPA Est. No. 94721-CHN-1
10
7.3
SCORE
Coway Airmega AP-1512HH True HEPA Air Purifier with Air Quality Monitoring, Auto Mode, Timer, Filter Indicator, Eco Mode

Coway Airmega AP-1512HH True HEPA Air Purifier with Air Quality Monitoring

Auto Mode, Timer, Filter Indicator, Eco Mode

by Coway
What We like

Won the Best Air Purifier of 2018 at Wirecutter and ranked 1st place at TopTenReviews.

more infoarrow_drop_down

Product Features

  • 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.
  • Filter replacement indicator checks both Pre-filter and HEPA filter and notifies users when to wash or replace them.
  • Pre-filter is washable and permanent, designed to catch larger dust particles, The compact unit helps people with asthma and allergies by capturing airborne particles including dust, pet dander, and mold that may trigger asthma and allergies
  • Timer feature allows device to run 1/4/8 hours before automatically powering off.
  • 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.

expand_less

I Agree
We use cookies to enhance and personalise your experience with us by collecting information about the pages you visit and actions taken on the site. More details