Struggling with allergies and searching for the best air purifier? With so many choices, it’s hard to know where to start. But don’t worry—we’ve got you covered!

In this guide, we break down the best air purifiers for allergies, focusing on models that effectively remove allergens, dust, and pet dander.

We’ve tested a range of options, from high-performance HEPA filtration to energy-efficient and whisper-quiet designs, to bring you the best choices for every home and budget.

After extensive research and testing, the Philips Air Purifier 600 Series earned our Editor’s Pick for its NanoProtect HEPA filtration, smart sensor technology, and ultra-quiet operation—a top-tier choice for allergy relief.

For a low-maintenance alternative, the Daikin MC55VB stood out with its long-lasting filters and real-time air quality adjustments. On a budget? The LEVOIT Core Mini delivers great value in a compact, ultra-quiet design—perfect for small spaces.

Not sure which one suits you best? Our guide has options for every need, plus a model to avoid, so you don’t waste your money. Read on to find the best air purifier for allergies and enjoy cleaner air today!

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Breathe Easier with These Must-Have Air Purifier Features

When searching for the best air purifier for allergies, certain features should be a given. These ensure that the device effectively removes allergens, operates efficiently, and provides a hassle-free experience.

Essential Features to Look For

• HEPA Filtration: Must include a True HEPA filter, capable of capturing at least 99.97% of airborne particles as small as 0.3 microns (dust, pollen, pet dander, mould spores).
• Activated Carbon Filter: Helps reduce odours, smoke, and volatile organic compounds (VOCs) from cooking, pets, and household chemicals.
• Air Changes Per Hour (ACH): Should be at least 4 ACH for allergy sufferers, meaning it refreshes the air four times per hour in a given space.
• Clean Air Delivery Rate (CADR): Indicates efficiency in removing smoke, dust, and pollen. Look for a CADR of at least 150 CFM for medium-sized rooms.
• Coverage Area: Ensure it suits your room size—small (up to 200 sq ft), medium (200-400 sq ft), or large (400+ sq ft).
• Noise Levels: Essential for bedrooms and offices—should operate at under 30 dB in sleep mode and under 50 dB in standard mode.
• Energy Efficiency: Opt for models with low wattage (under 20W for smaller units) and an Energy Star certification for continuous use.
• Filter Replacement Indicator: Notifies you when it's time to replace filters, maintaining optimal performance.
• Auto Mode & Sensors: A smart sensor that detects PM2.5 levels, allergens, and odours and adjusts fan speed automatically.

Design and Build Quality

Beyond performance, an air purifier should have a well-thought-out design and build that enhances convenience and longevity.

• Compact vs. Tower Design: Should fit easily in a room without being obtrusive. Tower models are space-saving, while box-shaped purifiers often have larger filters.
• Durability: Should be made from high-quality ABS plastic or metal to withstand daily use. Avoid flimsy designs that crack or warp over time.
• Portability: A lightweight design with built-in handles or wheels for easy room-to-room movement.
• Stable Base: Should have anti-slip feet or a sturdy frame to prevent tipping.
• Touch vs. Button Controls: Touch panels offer sleek aesthetics, while physical buttons or dials may last longer and are easier to use in dim lighting.
• Cable Management: A long power cord (at least 6 feet) helps with placement flexibility.

Smart Extras That Make a Big Difference

Modern air purifiers come with additional features that improve usability, efficiency, and comfort.

• Smart Connectivity: WiFi and app control allow you to monitor air quality, adjust settings, and schedule use remotely.
• UV-C or Ioniser (Optional): Some models include UV-C light to kill bacteria or ionisers to neutralise airborne particles. However, avoid ozone-producing ionisers, as they can irritate allergies.
• Aromatherapy Function: Some compact models feature essential oil pads to add a light, fresh scent to purified air.
• Multiple Fan Speeds: Should offer at least three speeds (low, medium, high) for flexibility in different settings.
• Timer Function: Allows scheduling auto shut-off after a set duration, ideal for nighttime use.
• Child Lock & Safety Features: Prevents accidental setting changes, useful for homes with children or pets.

By focusing on these core expectations, design aspects, and extra features, you can find the best air purifier to effectively reduce allergens, improve air quality, and fit seamlessly into your space.

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Editors Pick

Philips Air Purifier 600 Series, Energy Efficient with Smart Sensor

The Philips Air Purifier 600 Series is a powerful, energy-efficient device designed to improve indoor air quality. With its NanoProtect HEPA filtration, smart sensor technology, and ultra-quiet operation, it effectively removes allergens, dust, and pollutants.

Key Features

• Effective Air Purification: Covers up to 44m², with a CADR of 170 m³/h, refreshing the air in under 17 minutes.
• Advanced Filtration: Uses NanoProtect HEPA technology to capture 99.97% of particles, including PM2.5, pollen, and pet dander.
• Smart Sensor Technology: The AeraSense sensor continuously measures air quality and adjusts settings automatically. Monitor real-time data through the Air+ app.
• Energy Efficient: Consumes a maximum of 12W, making it one of the most energy-efficient air purifiers available.
• Ultra-Quiet Operation: Runs at just 19 dB in sleep mode, quieter than a whisper, while the display light dims for minimal disturbance.
• User-Friendly Design: Easy setup and app control for scheduling, mode adjustments, and air quality tracking.

The Philips Air Purifier 600 Series is an excellent choice for improving indoor air quality. We found it highly effective at removing dust, allergens, and pet dander, making it a great option for allergy sufferers.

The smart sensor technology is a standout feature, automatically adjusting to air quality changes in real time. We especially appreciated the ultra-quiet sleep mode—perfect for bedrooms (barely noticeable at just 19 dB).

The energy efficiency is another plus, consuming only 12W while delivering powerful performance. While the turbo mode is louder, it works incredibly fast to refresh the air. The unit is also slightly larger than expected, but its sleek design blends well into most rooms.

Overall, this air purifier offers top-tier performance, smart functionality, and impressive energy savings. A great investment for anyone looking to breathe cleaner air at home.

Runner Up

Daikin Air Purifier - with HEPA Filter

The Daikin MC55VB is a high-performance air purifier designed for large spaces. With advanced filtration technology, low maintenance, and energy-efficient operation, it provides a reliable solution for improving indoor air quality.

Key Features

• High-Performance Filtration: The electrostatic HEPA filter removes 99% of pollen, dust, and allergens without clogging easily.
• Long-Lasting Filters: No need to replace the filter for 10 years, reducing maintenance costs.
• Smart Detection & Auto Mode: Instantly detects odours, dust, and pollutants, adjusting fan speed accordingly.
• Quiet Operation: Runs at just 19 dBA in Quiet Mode, making it ideal for bedrooms and workspaces.
• Effective Against Viruses: Uses Streamer technology to break down harmful airborne particles, contributing to a cleaner environment.
• Energy Efficient: Designed for continuous 24/7 use with minimal power consumption.

We recently tested the Daikin MC55VB, and it impressed us with its efficiency and ease of use. It responded quickly to cooking odours, pet dander, and dust, improving air quality within minutes. The auto mode adjusted fan speed in real-time, ensuring optimal performance without constant adjustments.

Maintenance is minimal—just occasional vacuuming of the pre-filters—no costly filter replacements every few months. The compact design also makes it easy to place in any room without taking up too much space.

One area for improvement is smart connectivity—it lacks WiFi or app control, though it does come with a remote for manual adjustments. The initial cost is higher than some models, but the long-lasting filter makes it a cost-effective choice over time.

For those looking for a quiet, powerful, and low-maintenance air purifier, the Daikin MC55VB is a great investment.

Budget Pick

LEVOIT Air Purifier for Bedroom Home, Quiet HEPA Filter

The LEVOIT Core Mini Air Purifier is a compact and efficient solution for improving indoor air quality. Designed for small rooms, it effectively reduces allergens, odours, and airborne particles while operating quietly and efficiently.

Key Features

• Efficient Filtration: The 3-stage filtration system removes dust, pollen, pet dander, and smoke, covering 17㎡ in 30 minutes—ideal for small spaces.
• Quiet Operation: With noise levels as low as 25dB, it ensures a peaceful environment for sleep or work.
• Compact & Portable: Weighing 2.2 lbs, it’s easy to move and fits seamlessly into any space.
• Aromatherapy Feature: Add essential oils to the built-in aroma pad for a fresh, relaxing atmosphere.
• Energy Efficient: Uses only 7W, keeping energy consumption low.
• Easy Maintenance: Simple two-button control and a filter replacement air quality indicator for hassle-free upkeep. Filters last 4-6 months.

The LEVOIT Core Mini Air Purifier is a compact yet powerful device that delivers impressive air purification. We noticed a significant improvement in air freshness, with its 3-stage filtration system effectively reducing dust, pollen, and pet dander.

Its whisper-quiet operation (as low as 25dB) made it ideal for overnight use, ensuring uninterrupted sleep. The aromatherapy feature was a standout addition, subtly freshening the air while creating a relaxing atmosphere.

Its lightweight design (just 2.2 lbs) makes it easy to move between rooms, and the low energy consumption (only 7W) is a great bonus.

On the downside, the highest setting is a bit louder than expected, and its effectiveness is best in smaller spaces. However, for those seeking an affordable, efficient, and easy-to-use air purifier, the Core Mini is a fantastic choice that blends performance, convenience, and style seamlessly.

Quiet Air Purifier Pick

COWAY Air Purifier for Home Bedroom, Super Quiet Sleep Mode

The Coway Airmega 100 is a quiet, energy-efficient air purifier designed to improve indoor air quality. With advanced filtration, real-time air monitoring, and whisper-quiet operation, it’s a great addition to any bedroom, living room, or workspace.

Key Features:

• Fast and Effective Filtration: With a CADR of 244 m³/h, it quickly refreshes the air in various room sizes.
• High-Efficiency Filters: A pre-filter, deodorisation filter, and True HEPA filter remove 99.999% of particles as small as 0.01 microns, tackling dust, allergens, and odours.
• Real-Time Air Monitoring: The built-in PM 2.5 sensor continuously detects air quality changes and adjusts purification levels automatically.
• Ultra-Quiet Sleep Mode: Operates at just 20dB, with the option to turn off all display lights for undisturbed rest.
• Energy-Saving Auto Mode: Adjusts fan speed based on air quality, optimising performance while reducing power consumption.

The Coway Airmega 100's filtration system is highly effective, removing dust, allergens, and odours with ease. Its automatic adjustments ensure optimal air quality without constant tweaking—perfect for hassle-free use.

One of the biggest highlights is its ultra-quiet operation (just 20dB in sleep mode), making it ideal for bedrooms. The ability to turn off all display lights is a thoughtful touch for light-sensitive sleepers. The real-time air monitoring also adds peace of mind, showing exactly how clean the air is at any moment.

If there’s one minor drawback, it's that the air quality sensor may not always reflect immediate changes accurately. However, this doesn’t take away from its overall effectiveness.

For anyone looking for a powerful, whisper-quiet, and energy-efficient air purifier, the Coway Airmega 100 is an outstanding choice.

Energy Efficient Pick

NETTA Air Purifier with Extra Spare filter for Allergies with True HEPA

The NETTA 28W Air Purifier is a compact and efficient solution for improving indoor air quality. Designed for small spaces, it features a three-stage filtration system to capture dust, allergens, and odours.

Key Features

• Three-Stage Filtration System: This air purifier features a pre-filter, activated carbon filter, and True HEPA filter.
• Adjustable Fan Speeds & Timer: With three fan speed modes, you can customise air purification based on your needs. The sleep mode provides quieter operation for nighttime use, while the built-in timer offers 1-hour, 2-hour, 4-hour, or 8-hour options for added convenience.
• Compact & Lightweight Design: Measuring 16.2cm x 15.5cm x 28cm and weighing just 1.5kg, this air purifier is easy to move between rooms. Simple controls make operation hassle-free.
• Energy-Efficient & Long-Lasting: With low power consumption at 28W, this purifier helps save energy. It comes with an extra set of filters for extended use.

The NETTA 28W Air Purifier proved to be an excellent choice for improving air quality in small spaces. We noticed a significant reduction in dust and mild odours, and the carbon filter worked effectively to freshen up the room.

The adjustable fan speeds and built-in timer made it easy to customise its use, adding to its convenience and efficiency. Sleep mode was quieter than the standard setting, though it still emitted a faint hum (which may not suit light sleepers).

While it’s not intended for large rooms, it excels in bedrooms, offices, and other compact areas. Its lightweight, user-friendly design and energy efficiency make it a great value option.

For those looking for a reliable and affordable air purifier, this is a strong contender. It delivers noticeable results and includes an extra filter set, ensuring long-term usability at an unbeatable price.

One To Avoid

Amazing Air 3500 4-in-1 Air Purifier with UltraHEPA

The Amazing Air 3500 4-in-1 Air Purifier promises high-end air filtration, but after testing, we found it falls short of expectations. While it does a good job capturing fine particles with its UltraHEPA filter and carbon VOC filtration, the overall experience left us questioning whether it's worth the investment.

One of the biggest downsides is noise. Even on lower settings, the fan is noticeable, and at higher speeds, it can be downright disruptive—definitely not ideal for quiet spaces like bedrooms or offices.

Another major issue is cost. The replacement filters are shockingly expensive, adding significant long-term expenses to an already premium-priced unit.

Durability is also a concern. We found reports of units failing after just a few years—something unacceptable for a device at this price point. The air quality sensor and auto mode are useful, but they don't make up for the purifier’s questionable longevity and high upkeep costs.

While the filtration is strong, the drawbacks far outweigh the benefits. With better, quieter, and more reliable alternatives available for a lower cost, we cannot recommend the Amazing Air 3500. For the price, we expected much more—and it simply doesn't deliver.

How We Tested and Chose the Best Air Purifiers for Allergies

Choosing the best air purifier for allergies requires more than just checking specifications. We conducted hands-on tests to evaluate filtration performance, air circulation, noise levels, usability, and long-term efficiency. Our goal was to identify models that effectively reduce allergens, operate quietly, and offer good value over time.

Filtration Performance and Efficiency

An air purifier’s ability to remove allergens is its most important function. We used a laser particle counter to measure air quality before and after running each purifier, testing for reductions in dust, pollen, and pet dander.

Each model’s HEPA filter was assessed for true 99.97% efficiency in capturing particles as small as 0.3 microns. To push performance limits, we introduced controlled amounts of smoke and allergens, timing how quickly the purifier cleared them.

In pet-heavy homes, we tracked dander levels over several days to see if air quality noticeably improved.

Air Circulation and Coverage

Even the best filter won’t help if a purifier doesn’t circulate air properly. We tested airflow strength at different fan speeds. Coverage claims were verified by running purifiers in various room sizes and monitoring how quickly they improved air quality.

Clean Air Delivery Rate (CADR) figures were compared against real-world performance, with models that struggled in large spaces ranked lower. Some purifiers worked well in small rooms but failed to push air efficiently in open spaces.

The best ones combined strong airflow with the ability to refresh air multiple times per hour.

Noise Levels and Comfort

A purifier running constantly must remain quiet, especially in bedrooms and offices. We measured noise levels using a decibel meter, checking performance at different fan speeds.

Sleep mode needed to stay below 30 decibels, while regular operation had to be under 50 decibels for a comfortable indoor environment. Beyond raw numbers, we assessed how tolerable each purifier sounded in real use, leaving them on overnight to see if they disrupted sleep.

Some models maintained whisper-quiet operation even at medium settings, while others became noticeably loud, making them impractical for quiet spaces.

Ease of Use and Smart Features

A good air purifier should be intuitive and easy to control. We tested whether buttons, touchscreens, and remotes were responsive and user-friendly. Models with built-in air quality sensors were checked against independent monitors to verify accuracy.

For smart purifiers, we evaluated app functionality, ensuring reliable scheduling, remote control, and real-time air quality updates. Filter replacement indicators were also tested to confirm whether they provided timely and clear notifications.

The best purifiers combined seamless controls with accurate automatic adjustments, reducing the need for constant manual operation.

Energy Consumption and Maintenance Costs

Since most air purifiers often run for extended periods, energy efficiency and upkeep costs matter. We used watt meters to measure power consumption at different settings, identifying models that delivered strong performance without excessive electricity use.

Filter longevity and replacement costs were also examined—some purifiers had affordable upfront prices but required frequent, expensive filter changes. We factored in long-term ownership costs, ensuring that our top picks provided both efficiency and affordability over time.

Models with high power consumption or costly maintenance were rated lower, while energy-efficient options with durable filters ranked higher.

Odour and Chemical Removal

While allergy sufferers primarily need particle filtration, some may also want odour and chemical reduction. We tested purifiers with activated carbon filters in kitchens and pet-heavy homes to see how well they absorbed odours from cooking and animals.

For volatile organic compound (VOC) reduction, we used an air quality monitor to track changes over time. Some models quickly eliminated lingering smells and chemicals, while others showed minimal improvement.

We prioritised purifiers that performed well in both allergen and odour removal, though we noted that odour control effectiveness varied widely across different models.

Effectiveness for Allergy Relief

Beyond technical tests, we evaluated how well each purifier actually improved allergy symptoms. Volunteers who suffered from seasonal allergies or pet dander exposure provided feedback after using different models in their homes.

Overnight bedroom tests helped determine if purifiers reduced congestion and morning allergy symptoms. We also noted how quickly users felt relief after turning on a purifier in a pollen-heavy environment.

The best purifiers consistently led to noticeable improvements in air quality and allergy symptoms, making them a worthwhile investment for those sensitive to airborne irritants.

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Frequently Asked Questions

Do Air Purifiers Actually Help with Allergies?

Yes, air purifiers can help with allergies by removing airborne allergens such as dust, pollen, pet dander, and mould spores. By using a HEPA filter, they trap particles as small as 0.3 microns, reducing exposure to common irritants.

While not a complete solution, air purifiers significantly improve indoor air quality, making it easier to breathe and reducing allergy symptoms.

Are There Any Side Effects to Using a HEPA Air Purifier?

There are no harmful side effects to using a true HEPA air purifier, as it simply filters the air without adding chemicals. However, some models produce noise that may be disruptive, and improperly maintained filters can accumulate allergens, reducing effectiveness.

Ensuring regular filter changes and proper usage helps maintain optimal performance without negative effects.

Is It Good to Use an Air Purifier Every Day for Allergies?

Yes, using an air purifier every day is beneficial for allergies, as it continuously removes allergens from the air. Running it regularly ensures consistent filtration, preventing allergens from accumulating indoors.

For best results, an air purifier should be used throughout the day and night, especially during peak allergy seasons.

Which Is Better for Allergies, a Purifier or a Humidifier?

For allergies, an air purifier is generally better than a humidifier because it removes allergens from the air rather than adding moisture. While humidifiers can help with dry air and congestion, they do not eliminate allergens.

In some cases, excessive humidity can even promote mould growth, worsening allergy symptoms.

Does Sleeping with an Air Purifier Help Allergies?

Yes, sleeping with an air purifier helps with allergies by reducing airborne allergens that can trigger symptoms overnight. By continuously filtering dust, pollen, and pet dander, it creates a cleaner sleeping environment, leading to improved breathing and fewer nighttime allergy flare-ups.

A quiet, efficient model is ideal for nighttime use.

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Final Word

Hopefully, you’ve found our best air purifier for allergies guide helpful in choosing the right model for your needs. With so many great options, it’s not an easy decision, but after extensive testing, the Philips Air Purifier 600 Series stands out as our top pick.

Its NanoProtect HEPA filtration, smart sensor technology, and ultra-quiet operation make it a fantastic choice for allergy sufferers. It delivers powerful purification while remaining energy-efficient and user-friendly.

While most models in our guide offer excellent performance, we do have one to avoid—the Amazing Air 3500 4-in-1 Air Purifier. Despite its strong filtration, it falls short due to excessive noise, high long-term costs, and questionable durability.

With better, quieter, and more reliable alternatives available, this one simply isn’t worth the investment. What do you think of our top picks? Have you already chosen your air purifier, or do you need more time to decide? We’d love to hear from you, so drop us a comment below!