Best air purifier 2025-A modern living room with two air purifiers, one taller than the other. Both are white with textured surfaces, and emit a soft blue light.

Discover the best air purifier 2025 for mold! Our top 7 picks combine HEPA, UV-C, and carbon filters to remove mold, allergens, and odors—ideal for homes, basements, and allergy sufferers.

Key Features to Consider

  1. True HEPA Filter: Captures 99.97% of particles as small as 0.3 microns (including mold spores).
  2. Activated Carbon Filter: Neutralizes mold-related odors.
  3. UV-C Light: Kills mold spores and bacteria.
  4. Coverage Area: Match the purifier’s capacity to your room size.
  5. CADR Rating: Higher = faster air cleaning (300+ CFM ideal for large rooms).
  6. Noise Level: Below 50 dB for quiet operation.
  7. Smart Features: App control, auto mode, and filter replacement alerts.

Best Air Purifiers 2025: Our Top 7 Picks

Best air purifier 2025-Dyson Purifier Cool Formaldehyde TP09 Air Purifier and Fan
dyson specifications

1. Dyson Purifier Cool TP09

  • Price: $748
  • Coverage: 800 sq ft
  • Filters: HEPA + Carbon + UV-C
  • CADR: 290 CFM
  • Noise: 35–55 dB
  • Warranty: 2 years
  • Rating: ⭐⭐⭐⭐⭐ (4.8/5)

Pros:

  • Air Multiplier™ circulates purified air efficiently.
  • Real-time air quality display.
  • Doubles as a fan.

Cons:

  • Expensive upfront and filter replacements.

2. Blueair Blue Pure 311i Max

Best air purifier 2025-BLUEAIR Air Purifiers for Large Home Room, HEPASilent Air Purifiers for Bedroom, Pets Allergies Virus Air Cleaner for Dust Mold, Blue Pure 311i+ Max
  • Price: $399
  • Coverage: 540 sq ft
  • Filters: HEPASilent + Carbon
  • CADR: 350 CFM
  • Noise: 22–55 dB
  • Warranty: 1 year
  • Rating: ⭐⭐⭐⭐⭐ (4.7/5)

Pros:

  • Best CADR per dollar.
  • Ultra-quiet sleep mode.

Cons:

  • No UV-C light.

3. Levoit Core 600S

Best air purifier 2025-Photo of a LEVOIT Air Purifier next to a happy faily of a Dad, Mum and daughter.
A specifications box with icons showing power source, item weight, control method and filter type
  • Price: $299
  • Coverage: 635 sq ft
  • Filters: HEPA + Carbon + UV-C
  • CADR: 410 CFM
  • Noise: 25–55 dB
  • Warranty: 2 years
  • Rating: ⭐⭐⭐⭐ (4.6/5)

Pros:

  • Alexa/Google Assistant compatibility.
  • 7-color air quality ring.

Cons:

  • UV-C can’t be turned off.

4. Coway Airmega 400S

Best air purifier 2025-Coway Airmega 400S App-Enabled Smart Air Purifier in a modern living room
A specifications box with icons showing power source, item weight, control method and filter type
  • Price: $749
  • Coverage: 1,560 sq ft
  • Filters: HEPA + Carbon + Ionizer
  • CADR: 350 CFM
  • Noise: 22–52 dB
  • Warranty: 3 years
  • Rating: ⭐⭐⭐⭐⭐ (4.7/5)

Pros:

  • Dual suction for large spaces.
  • Energy-efficient.

Cons:

  • Ionizer may produce trace ozone.

5. WINIX 5520 Air Purifier 

Best air purifier 2025-A WINIX 5520 Air Purifier in a Home Large Room
A specifications box with icons showing power source, item weight, control method and filter type
  • Price: $369
  • Coverage: 450 sq ft
  • Filters: True HEPA + Activated Carbon + PlasmaWave® Technology
  • CADR: 320 CFM
  • Noise: 28–58 dB
  • Warranty: 2 years
  • Rating: ⭐⭐⭐⭐ (4.5/5)

Pros:

  • Affordable with UV-C + PlasmaWave® Technology
  • Effective in damp areas like basements
  • High CADR suitable for medium to large rooms
  • Quiet operation, especially on lower settings
  • Smart sensors and auto mode for efficient air quality management

Cons:

  • Smaller coverage area compared to some competitors
  • Bright indicator lights may be disruptive in dark rooms; limited options to dim or turn off lights
  • PlasmaWave® feature may produce trace amounts of ozone; however, it is within safe limits and can be turned off if desired​

6. GermGuardian AC5900WCA

Best air purifier 2025-A GermGuardian HEPA Air Purifier next to a a bed and brightly lit room
A specifications box with icons showing power source, item weight, control method and filter type of Germ Guardian HEPA Air Purifier
  • Price: $179.99
  • Coverage: Up to 338 sq ft (ACH 4x)
  • Filters: True HEPA + Activated Carbon + UV-C
  • CADR: 220 Dust / 218 Smoke / 215 Pollen (CFM)
  • Noise: 40–60 dB
  • Warranty: 3 years
  • Rating: ⭐⭐⭐⭐ (4.6/5)​

Pros:

  • Budget-friendly
  • Compact design
  • Effective in medium-sized rooms
  • UV-C light helps reduce airborne bacteria and viruses

Cons:

  • Louder on high settings
  • Lacks smart features like Wi-Fi connectivity or air quality sensors

7. Alen BreatheSmart 75i

  • Price: $769.00 (Prime members: $615.20)
  • Coverage: Up to 2,600 sq ft (cleans 1,300 sq ft every 30 minutes on the highest setting)
  • Filters: True HEPA (H13) + Activated Carbon + Optional Ionizer
  • CADR: 347 CFM
  • Noise: 25–49 dB
  • Warranty: Lifetime (with product registration and active filter subscription)
  • Rating: ⭐⭐⭐⭐⭐ (4.5/5)​

Pros:

  • Lifetime warranty with registration and subscription
  • Customizable filter options for specific needs
  • SmartSensor technology adjusts fan speed based on air quality
  • Ultra-quiet operation with pink noise for better sleep
  • App-compatible for remote control and monitoring​

Cons:

  • Premium price point
  • Large size may not be suitable for smaller spaces

Choosing the best air purifier 2025 can make a real difference in your health and home environment—especially when dealing with mold. Whether you’re targeting allergens in a bedroom, moisture in a basement, or general air quality in a large living space, our top picks combine advanced filtration with proven reliability. Investing in one of these models ensures cleaner, healthier air for you and your family all year round.

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