Best Air Purifiers For Mold of January 2024

Mold, a fungus that grows in damp conditions, can cause respiratory ailments, weariness, and headaches. Air purifiers can reduce mold and other allergens, helping asthmatics and allergy sufferers. They can also clean wildfire smoke.

You can enhance your home’s air quality by removing up to 99.97% of air particles, but even the greatest air purifiers can’t remove all mold spores or particles.1 Mold is caused by humidity or moisture, according to board-certified allergist Stanley Fineman, MD, American College of Allergy, Asthma, and Immunology spokesman. Air filtering seldom removes mold. This is best handled by humidity and moisture remediation. An air purifier is recommended if smoking, allergies, and mold are a major issue.

Over 40 top-brand air purifiers were evaluated in our lab. Every purifier on our list features a real HEPA filter to eliminate airborne pollutants and mold spores. Each purifier on this list was evaluated for pet hair and smoke removal, making them ideal for animal allergy sufferers and wildfire smoke residents. Each model was assessed based on its capacity to enhance air quality, ease of setup, user-friendliness (including aesthetics), noise level, extra features, and value. Our Medical Expert Board’s board-certified allergist/immunologist reviewed this article for medical and scientific correctness.

Our Top Picks

Best Overall:

 

Why We Like It

We found the Levoit 400S best overall for its fast and efficient air purification in a big space. The three-stage HEPA filter eliminated 99% of pollutants in our test. After six months, the filter can be changed. The pre-filter should be cleaned every 2–4 weeks.

The Levoit’s five-speed fan can operate silently while sleeping. Set the fan speed manually or let the purifier adjust it based on room air quality. In Auto Mode, the fan speeds up when it detects allergies or other pollutants and then slows down when the air is clear. Sleep Mode reduces fan speed and noise to whisper-quiet operation, which we liked.

We appreciated the Levoit’s smart app and Amazon Alexa/Google Assistant connectivity. As we tried, the app was straightforward to set up and utilize. There, you may check room air quality, schedule the purifier, and get filter replacement reminders.

We liked the Levoit’s smarts, design, and performance. It was lightweight and well-built, making it simple to move around. If you use the purifier in a wide room and want hands-free operation or are away from home, the price is worth it.

Worth Noting

Maintain and clean the pre-filter every 2–4 weeks.

Product Details:

  • Features: 3-stage filtration, laser dust sensor, digital display, app control, voice control, timer, air quality indicator
  • Recommended Room Size: 403 sq. ft.
  • CADR: 260 CFM
  • Number of fan settings: 5
  • Noise Level: 24 to 52 dB
  • Weight: 14.12 lbs
  • Warranty: 2-year limited
  • Includes: Purifier, one filter, user manual, power adapter, quick start guide

Why We Like It

We recommend the Dyson Purifier Humidify+Cool Formaldehyde for air purifiers with humidifiers. We found that this all-in-one equipment cleaned 99% of airborne contaminants in 10 minutes on high mode.

A revolutionary catalytic HEPA filter collects pollutants and germs, while activated carbon removes gasses and smells in the Dyson purifier. The remote control controls fan speed, direction, oscillation, and mode (auto and night) from anywhere in the room. An interior air quality and filter life indicator is also included. The Dyson app monitors home air quality, humidity, temperature, and contaminants.

We liked the humidifier and air pollution removal of this purifier. The machine is silent at low speeds but noisier on high speeds, like a little fan. We had trouble setting up and replacing filters, but the set-up video helped.

Our most costly choice, the Dyson Purifier Humidify+Cool Formaldehyde, isn’t for everyone. At publishing, it costs over $900, making it a big investment. However, it removes pollutants and adds moisture to the air, making it a great all-in-one option for tiny spaces or those without place for multiple equipment.

Worth Noting

The humidifier is helpful, but it’s expensive and might attract dust mites.

Product Details:

  • Features: Catalytic filter, built-in humidifier and fan, app control, voice control, night mode, filter replacement indicator
  • Recommended Room Size: 400 sq. ft.
  • CADR: Not disclosed
  • Number of fan settings: 10
  • Noise Level: 32 to 64 dB
  • Weight: 18 lbs
  • Warranty: 2-year warranty
  • Includes: Purifier/humidifier combo, remote control, one filter, power adapter, quick start guide

Why We Like It

The Toppin Comfy Air C2 Purifier is a basic but effective alternative for people on a budget or who don’t want the additional features and smart capabilities of other products on our list. Our research showed that this air purifier cleaned 99 percent of airborne particles at the maximum mode despite its modest price. It has a pre-filter, activated carbon filter, and HEPA filter.

Low-noise operation makes the purifier ideal for bedrooms and other quiet spaces. When set to maximum, the noise was significant for its size. Despite lacking app control and voice activation, it was straightforward to set up and use right out of the box. Switch between three fan settings, alter display illumination, and set a run timer on the touch control panel. The filter life indicator tells you when to change it.

We tested this purifier and found it lightweight and portable. Its modest size makes it ideal for small spaces—the purifier covers 215 square feet. Toppin is a good affordable alternative that performs effectively.

Worth Noting

This purifier is basic and lacks smart features.

Product Details:

  • Features: 3-in-1 filter, LED touch control panel, compact design, timer, filter replacement indicator
  • Recommended Room Size: 160 to 215 sq. ft.
  • CADR: Up to 88 CFM
  • Number of fan settings: 3
  • Noise Level: 21 to 45 dB
  • Weight: 4.5 lbs
  • Warranty: 1-year limited warranty
  • Includes: Purifier, one filter, power adapter, quick start guide

Why We Like It

The Dyson TP07 is a luxury fan-air purifier. Our research showed that the 360-degree HEPA filter and activated carbon filter eliminated 99% of airborne contaminants on high mode. An integrated 0-to-350-degree oscillation fan distributes clean, cold air throughout the room.

In testing, the Dyson TP07 set up in under five minutes. We like how the Dyson TP07 cleaned smoke and pet hair from the air. We were impressed by how rapidly the device cleaned smoke from the air.

Even at full fan speed, it was silent. The supplied remote and Dyson mobile app are user-friendly ways to manage the device. The filter replacement indicator and night mode, which dims the display and lowers the fan speed to reduce noise, are also noteworthy.

Air quality, humidity, and temperature may be monitored on the LCD or smartphone. The Dyson TP07 scored well in all parameters, and we suggest it since air cleanliness readings increased considerably after 5 to 10 minutes.

Worth Noting

The device is tall, 41 inches from base to top.

Product Details:

  • Features: 350° oscillating fan, backward airflow mode, app control, night mode, filter replacement indicator
  • Recommended Room Size: 290 sq. ft.
  • CADR: Up to 96 CFM
  • Speed settings: 10
  • Noise Level: 32 to 64 dB
  • Weight: 11 lbs
  • Warranty: 2-year warranty
  • Includes: Purifier/fan combo, remote control, one filter, power adapter, quick start guide

Why We Like It

Small yet powerful, the Levoit Core Mini Air Purifier covers up to 178 square feet with three-stage filtration. The unit’s pre-filter, HEPA filter, and activated carbon filter eliminate 97% of airborne pollutants, although it takes longer than other models we evaluated. The 360-degree air inlet circulates clean air around the space.

We appreciated the basic design and lightweight (less than 3.5 pounds). However, the power cord was short, which may limit where you may install the item in your home. Easy assembly and simple functions—a fan speed switch and a filter indication light—make the item easy to use.

Levoit Core Mini is one of the quietest air purifiers we tested. We hardly heard it running on low. The loudness was not annoying on high, making it ideal for a small workplace or bedroom. For extra advantages or fresh-smelling air, add essential oils to the diffuser pad.

Despite being tiny, the Levoit Core Mini Air Purifier cleaned the air well throughout testing, especially on high. We recommend it for tiny rooms. Hard to beat for the price.

Worth Noting

A short power cord limits where you may position the gadget.

Product Details:

  • Features: 3-stage filtration, digital display, automated night mode, filter replacement indicator
  • Recommended Room Size: 486 sq. ft.
  • CADR: up to 353 CFM
  • Speed settings: 3
  • Noise Level: 30 to 65 dB
  • Weight: 22.8 lbs
  • Warranty: 2-year limited warranty
  • Includes: Purifier, one filter, power adapter, user manual

Why We Like It

Small yet powerful, the Levoit Core Mini Air Purifier covers up to 178 square feet with three-stage filtration. The unit’s pre-filter, HEPA filter, and activated carbon filter eliminate 97% of airborne pollutants, although it takes longer than other models we evaluated. The 360-degree air inlet circulates clean air around the space.

We appreciated the basic design and lightweight (less than 3.5 pounds). However, the power cord was short, which may limit where you may install the item in your home. Easy assembly and simple functions—a fan speed switch and a filter indication light—make the item easy to use.

Levoit Core Mini is one of the quietest air purifiers we tested. We hardly heard it running on low. The loudness was not annoying on high, making it ideal for a small workplace or bedroom. For extra advantages or fresh-smelling air, add essential oils to the diffuser pad.

Despite being tiny, the Levoit Core Mini Air Purifier cleaned the air well throughout testing, especially on high. We recommend it for tiny rooms. Hard to beat for the price.

Worth Noting

A short power cord limits where you may position the gadget.

Product Details:

  • Features: 3-stage filtration, aromatherapy, sleep mode
  • Recommended Room Size: 178 sq. ft.
  • CADR: 46 CFM
  • Speed settings: 3
  • Noise Level: 24 to 36 dB
  • Weight: 3.3 lbs
  • Warranty: 2-year limited warranty
  • Includes: Purifier, one filter, pre-installed aroma pad, power adapter, user manual

Why We Like It

Our quietest pick is the Rabbit Air MinusA2 Ultra Quiet HEPA Air Purifier. The six-stage filtration system includes a pre-filter, bioGS HEPA filter, activated carbon filter, and two unique filters. Our research showed that these filters eliminated 99.9% of airborne pollutants, making it the most effective purifier.

One of the heaviest units we examined is the Rabbit Air MinusA2, at approximately 20 pounds. We loved that we could wall-mount it to save room. Loudness was low in silent mode. It was quieter than most of our top selections on high, at 61 dB (typical conversation).

Smart features and smartphone control distinguish this purifier. The remote and Rabbit Air app may be used to check air quality, modify fan speed, establish a schedule, adjust pollen mode, and change light settings. The fan speed is adjusted by an air quality sensor dependent on air pollution.

Worth Noting

One of the heaviest air purifiers, it may be hard to move and install.

Product Details:

  • Features: 6-stage filtration, app control, wall-mountable, automated sleep mode, pollen mode, mood light, filter replacement indicator
  • Recommended Room Size: Up to 815 sq. ft.
  • CADR: Up to 200 CFM
  • Speed settings: 5
  • Noise Level: 20.8 to 51.3 dB
  • Weight: 19.4 lbs
  • Warranty: 5-year warranty
  • Includes: Purifier, remote control, pre-filter, medium filter, HEPA filter, activated carbon filter, wall mount kit

Why We Like It

This powerful Winix 5500-2 Air Cleaner with Plasma Wave Technology purifier can clean 1,740 square feet in an hour, making it ideal for living areas. The remote makes speed changes easy from the couch. We liked that it was pre-assembled and easy to use.

The highest of the four noise levels was heard, but it was still low. We don’t think this purifier’s loudness would bother light sleepers. Note that the LED indication is bright. We recommend putting this air purifier in your living room, where the light won’t disrupt your sleep.

Worth Noting

This purifier has strong lights that may irritate you at night.

Product Details:

  • Features: Air quality indicator, dual smart sensors, auto mode, sleep mode, filter replacement indicator
  • Recommended Room Size: Up to 1,740 sq. ft.
  • CADR: Up to 246
  • Speed settings: 5
  • Noise Level: Unspecified
  • Weight: 16.5 lbs
  • Warranty: 2-year warranty
  • Includes: Purifier, remote control, pre-filter, washable carbon filer, HEPA filter

Why We Like It

Blueair’s air purifier was our top odor control option since it decreased air odor and allergens. Our allergies and sense of smell improved after 30 minutes with the Blue Pure 411i Max air purifier.

We liked that it was silent even on high fan. On the lowest setting, the purifier scarcely made a sound. The highest setting whirred, but it never disrupted conversation or TV.

We liked the several light-dimming modes, which helped us sleep using this purifier. However, switching the light-dimming mode from bright to dark night mode was difficult. Dimming may take some practice.

Worth Noting

Some light-dimming modes are difficult to use.

Product Details:

  • Features: Five-color air quality indicator, smart features, app control, filter tracking, night mode
  • Recommended Room Size: Up to 526 sq. ft.
  • CADR: Up to 246
  • Speed settings: 4
  • Noise Level: 18 to 46 dB
  • Weight: 7.5 lbs
  • Warranty: 3-year warranty
  • Includes: Purifier and filter

 

Why We Like It

The Pure Enrichment PureBaby Kids Bear Air True HEPA Air Purifier is our top recommendation for nursery air filtration. One of our favorite features is the bear-shaped, magnetically fastened panel for quick filter access. Its efficient air purification, user-friendly features, and adorable bear appearance make this purifier a great addition to any nursery.

The user-friendly touch-button interface offers fan speed, timer, UV light, and child lock options. This seven-color night light is perfect for lulling a sleepy infant. The purifier’s three fan speeds function quietly, even at high settings, generating a peaceful background sound. The HEPA filter is cost-effective, replacing just every six months, and the UV light adds germ-eliminating power. At $99.99, this product provides great value with high-quality air filtration, user-friendliness, and a lovely appearance.

Worth Noting

Although UV light is meant to kill germs, mercury bulbs can be harmful to the environment. Breaking these bulbs releases harmful substances. This demands caution, especially in a nursery.

Product Details:

  • Features: Low, medium, high fan speed. Child lock. Timers. UV light. Child lock/night light
  • Recommended Room Size: Up to 263 sq. ft.
  • CADR: Up to 70
  • Speed settings: 3
  • Noise Level: 45 to 53 dB
  • Weight: 5.5 lbs
  • Warranty: 5-year warranty
  • Includes: Purifier, filter, UV-C light bulb

The Experts

We spoke to experts about what to look for in a great air purifier and who may benefit from purchasing one. Experts we spoke to include:

  • Stanley Fineman, MD, board-certified allergist and spokesperson for the American College of Allergy, Asthma, and Immunology
  • Naha Qamar, MD, board-certified Allergist who treats both pediatric and adult patients for all types of allergic and immunologic conditions
  • Kara Wada, MD, allergist and immunologist at the Ohio State University Wexner Medical Center
  • Robert Weitz, certified microbial investigator and Principal of RTK Environmental

What to Know About Air Purifiers

Actual HEPA Filters

Most air purifiers eliminate airborne pollutants with real HEPA filters. True HEPA filters trap 0.3-micron particles including pollen, dust mites, mold spores, smoke, and pet fur.

Kara Wada, MD, allergist and immunologist at Ohio State University Wexner Medical Center, says HEPA filters minimize mold and fungus in the air, reducing Aspergillus infections. Dr. Wada claims that HEPA air purifier fans eliminate airborne fungus 1.5 to 6 times quicker.

True HEPA filters eliminate these particles from the air, but they have downsides. A real HEPA filter might cost $15 to $100 to replace, depending on the type.

Alternative Filters

Many air purifiers have HEPA and other filters. Common filters are:

  • The surface of activated carbon filters absorbs impurities to eliminate smells and gasses from the air.
  • Pre-filters: Catch pet hair and dust before they reach the genuine HEPA filter, extending its lifespan.
  • Ionizers release negative ions into the air, which adhere to positively charged particles like pollen, dust, and smoke and fall to the earth.

This isn’t an exhaustive list of filters. When buying an air purifier, read the product description to find out what filters it uses and how often to change them.

Clean Air Delivery Rate

A purifier’s CADR indicates its capacity to remove certain air pollutants. Cubic feet per minute. A 250 CADR for smoke indicates the air purifier can clear a 250-square-foot room of smoke in an hour.

Three major pollutants are measured by CADR:

  • Smoke: how well an air purifier removes smoke.
  • Pollen: how well an air purifier removes pollen.
  • Dust: how well an air purifier removes dust.

Higher CADR ratings mean greater air purifier pollutant removal.

Room Size

The room size matters when buying an air purifier. Most air purifier manufacturers specify the suggested room size in the device description. Choose an air purifier that fits your room or it won’t work as well.

Air purifiers for small home offices won’t be powerful enough for huge living rooms. You may easily choose the proper air purifier size by measuring your room’s square area.

Replace Filter Cost & Maintenance

Each air purifier has different filter costs and replacement frequency. Some air purifiers have disposable filters that must be replaced every few months, while others have permanent filters.

Although permanent filters cost more, they pay for themselves over time by eliminating the need for replacements. Disposable filters are cheaper initially but cost more over time.

When purchasing an air purifier, consider filter cost and replacement frequency. This helps you pick a purifier within your budget and demands.

 

More Air Purifiers to Consider

We also tested the below air purifiers, but they didn’t make the cut for our top picks based on our criteria.

 

Your Questions, Answered

Mold: Can Air Purifiers Help?

A HEPA filter is needed for an air purifier to kill mold spores, according to certified microbiological investigator Robert Weitz, Principal of RTK Environmental, a renowned northeast environmental testing organization. Only HEPA-filtered air purifiers eliminate over 99.97% of mold spores.

Mold spores are too big for HEPA filters. An air purifier won’t stop mold development alone. The moisture source that causes mold must be addressed to avoid it.

Weitz says air purifiers prevent mold-related health issues. Mold must be checked by an impartial tester and removed by a professional to provide full relief.

How Do Air Purifiers Work?

Air purifiers filter airborne pollutants. The filter type determines what impurities the purifier can remove. HEPA filters catch tiny particles, while activated carbon filters remove smells and VOCs.

How often should I change my air purifier filter?

Type and usage determine filter replacement frequency. HEPA filters should be replaced every 6–12 months, whereas activated carbon filters every 3–6 months. For filter life estimates and suggestions, consult your owner’s handbook.

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