Top Air Purifiers with HEPA filter – best way to get clean air & manage your allergies

If you had to clean out the air filters on an air-conditioner, you would know how filthy the air around us is, especially so if you live in the city.

But what if you have no need for an air conditioner in moderate climate and would still like clean air at home, here are some of the best air purifiers with HEPA filter.

Purifying the air around you helps you breathe easier, particularly if you have asthma, hay fever and other breathing conditions.

Not only do these air purifiers remove dust particles and bacteria from the air, it also remove allergens such as pet hair and pollen, a great way to manage your allergies.

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How Does Air Purifiers with HEPA Filters Work

No different to an air conditioner, that sucks and blows out air in a room to circulate and clean it minus the cooling or heating part, the air purifiers here typically follows these steps:

  1. A quiet fan pulls room air into the unit, circulating and filtering the air several times an hour.
  2. The air then passes through a first stage particle filter*, sometimes known as the pre-filter that removes hair and dust particles.
  3. It then goes odour absorbing pre-filter* to help reduce unpleasant odours and capture large particles like dust, pet fur or lint.
  4. The air passes through highly effective HEPA filters* that capture nearly 100 % of smaller particles.
  5. Finally, cleaner, fresher air is released back into the room.

* different manufacturers have different filter configurations but all air purifiers featured here come with HEPA filter.

A good way to judge the efficiency of an air purifier is to look at the Clean Air Delivery Rate (CADR) index. These are typically published by the manufacturer. Where available, we have highlighted this in the list below. Higher CADR index meant more air gets passed through the unit producing more clean air faster.

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The Best Air Purifiers with HEPA Filter

Best air purifiers to improve your indoor air quality:

  1. Philips Air AC5659/40 5000i Connected Air Purifier
  2. Coway AP-1512HH Mighty Air Purifier with True HEPA and Eco Mode
  3. Philips AC3256/30 Air Purifier, Anti-Allergen with NanoProtect S3 Filter – HIGHEST CADR
  4. Blueair 203 Slim HepaSilent Air-Purification System
  5. Honeywell HPA300 True HEPA Allergen Remover – HIGH CADR
  6. Alen BreatheSmart Customizable Air Purifier with HEPA-Pure Filter

BONUS: GermGuardian AC4825, 3-in-1 Air Cleaning System with True HEPA

Note: CADR stands for Clean Air Delivery Rate.

1. Philips Air AC5659/40 5000i Connected Air Purifier

A smart air purifier for an extra large room, perfect for open plan living, Philips Air AC5659 goes to work automatically when it detects a change in the air quality inside your home. The 6 stage filter, with 2 pre-filters, 2 true hepa filters and 2 active carbon filters ensure that 99.97% of particles are captured. Nothing gets pass the 5000 series monster. It is capable of capturing particles as small as 0.3 microns, that’s the size of common allergens, bacteria and viruses. There are real-time numerical and colour ring air quality indicators for instant feedback on indoor allergen, gas and PM2.5.

  • Reduce 99.97% of airborne allergens, including viruses, bacteria, pollen, dust, and pet dander.
  • 6 stage filters, capture particles as small as 0.3 microns
  • Extra powerful bacteria and virus mode
  • Clean air delivery rate (CADR) of 293CFM
  • Track, monitor and control with smartphone Air Matters app
  • In a room of 454 sq.ft, it can purify the air in less than 13 minutes, so the air gets cleaned 4.6 times an hour.
  • Sleep Mode dims the display lights and operate in silence
  • Built-in casters to move around the house easily

For smaller rooms consider the Connected Air Purifier Series 2000i for room up to 277 sq.ft and Connected Air Purifier Series 1000i for room up to 200 sq.ft below:

2. Coway AP-1512HH Mighty Air Purifier with True HEPA and Eco Mode

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  • 4 Stage Filtration System (Pre, Carbon, True HEPA, Vital Ion)
  • AHAM CADR: 233 (smoke), 246 (dust), 240 (pollen).
  • Air Quality Indicator, Auto Mode, Eco Mode
  • 3 Speed Air Flow Control, Timer 1/4/8 hours, Filter Replacement Indicator
  • Quiet Operation, Covers up to 361 sq.ft.
  • Dimensions: 16.8 x 18.3 x 9.6 inch

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3. Philips AC3256/30 Air Purifier, Anti-Allergen with NanoProtect S3 Filter – HIGHEST CADR

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  • Fast: Captures 99.9% of bacteria in 1 hour. The VitaShield Intelligent Purification System effectively removes 99.97 per cent of common airborne allergens and 99.9 per cent bacteria and some viruses such as H1N1. 
  • Removes 99% of airborne particles such as dust, pet hair and pollen
  • Speed: Auto, Auto Alergen and 5 Speed Manual settings
  • Clean air delivery rate (CADR): 367 m3/hour for a healthier home
  • Smart sensor, 3 stage filter, filter change indicator, child lock, timer up to 12 hours
  • Enjoy peaceful, undisturbed sleep with night mode setting (turning off the air quality indicator and panel lighting)
  • Quickly measures air quality: Blue – good, purple – fair, red – bad
  • Dimensions: 79.8 (31.4-inches) x 47.4 x 34 cm

ALSO: Philips AC2885/40 Air Purifier


4. Blueair 203 Slim HepaSilent Air-Purification System

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  • Fits rooms up to 240 sq feet with a sleek Swedish design that seamlessly blends with any decor
  • Uses HEPASilent® filtration to capture 99.97% of harmful particles down to 0.1 microns in size
  • Clean Air Delivery Rate (CADR) of 155 cubic feet per minute with a superior, 5 air changes per hour
  • Includes a magnetic filter timer to attach to your unit, refrigerator, or anywhere else
  • HEPASilent technology uses electrostatic and mechanical filtration
  • Dimensions: 21 x 17 x 10 inches with a handle for portability

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5. Honeywell HPA300 True HEPA Allergen Remover – HIGH CADR

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  • Helps capture certain airborne germs. The air passes through highly effective True HEPA filters that capture up to 99.97% of particles, 0.3 microns or larger, from the air that passes through the filters.
  • Circulates room air up to 5 times per hour & AHAM CADR Rated 300 – Room Size: 21′ x 22′ (465 sq. ft.)
  • Activated Carbon Prefilter helps reduce unpleasant odors
  • Easy tap electronic controls w/ 3 air cleaning levels plus Turbo Clean setting & 2, 4, & 8 hour timer. Electronic filter replacement reminders.

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ALSO: Honeywell HPA200 True HEPA Allergen Remover

  • Helps capture certain airborne germs
  • Circulates room air up to 5 times per hour & AHAM CADR Rated 200 – Room Size: 17′ x 18′ (310 sq. ft.)
  • Activated Carbon Prefilter helps reduce unpleasant odors
  • Easy tap electronic controls w/ 3 air cleaning levels plus Turbo Clean setting & 2, 4 & 8 hour timer. Electronic filter replacement reminders.

6. Alen BreatheSmart Customizable Air Purifier with HEPA-Pure Filter

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  • For large rooms up to 1,100 square feet
  • BreatheSmart is fully customizable, offering 4 different filter types (HEPA-Pure, HEPA-Silver, HEPA FreshPlus, HEPA-OdorCell) & 15 panel color options
  • Automatically detects and adjusts to changing air quality
  • Maintain a peaceful home environment with WhisperMax technology
  • Dimensions: 26.75″ x 17.75″ x 10″

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BONUS: GermGuardian AC4825 3-in-1 Air Cleaning System with True HEPA

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  • True HEPA Filter captures 99.97% of dust and allergens as small as .3 microns such as household dust, pet dander, mold spores and plant pollens. Charcoal filter reduces common odors from pets, smoking and cooking.
  • UV-C light technology works with Titanium Dioxide to eliminate airborne bacteria, viruses, germs and mold spores.
  • 22-inch 3 speed tower is best used for medium sized rooms and CADR rated 100+

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ALSO: GermGuardian AC5250PT 3-in-1 Pet Pure True HEPA Air Purifier System UV Sanitizer and Odor Reduction, 28-Inch Digital Tower

  • True HEPA + Pet Pure Treatment: True HEPA captures 99.97% of allergens including pet dander, dust mites and pollen. The Pet Pure is an antimicrobial agent added to the filter to inhibit the growth of mold, mildew and odor-causing bacteria on the surface of the filter.
  • Charcoal filter reduces common odors from pets, smoking and cooking
  • UV-C light technology works with Titanium Dioxide to kill airborne bacteria, viruses, germs and mold spores
  • 28 inch digital tower with 5 speeds is best used for medium to large rooms and CADR rated 125+
  • Dimensions: 6.1 x 9.5 x 27.2 inches

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