An air purifier can cut dust, pollen, pet dander and wildfire smoke in the rooms where you spend the most time. We matched the best models to room sizes and budgets, and counted the cost of replacement filters.
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Our picks at a glance
| Product | Best for | Price | Ideal room | Filter | Yearly filters |
|---|---|---|---|---|---|
| Blueair Blue Pure 311i Max | Best overall | $230 | About 440 sq ft | Non-HEPA + ionizer | About $80 |
| Levoit Core 300-P | Best value | $100 | About 260 sq ft | Non-HEPA + carbon | About $96 |
| Levoit Core Mini-P | Best for tiny spaces | $50 | About 65 sq ft | Non-HEPA | About $55 |
| Winix 5510 | Best for allergies and smoke | $180 | About 375 sq ft | True HEPA + carbon | About $109 |
| Levoit Core 400S-P | Best for larger rooms | $220 | About 320 sq ft | Non-HEPA, no ionizer | About $85 |
| Coway Airmega Mighty AP-1512HH | Best HEPA pick on sale | $230 | About 330 sq ft | True HEPA + carbon | About $83 |
1. Blueair Blue Pure 311i Max — Best overall
Fast, quiet cleaning in a sleek design that blends into most rooms.
Specs: Ideal room: About 440 sq ft · Filter: Non-HEPA + ionizer · Yearly filters: About $80 · Noise: About 40 dB · List price: $230
Pros:
- Cleans quickly
- Quiet
Cons:
- Not true HEPA
2. Levoit Core 300-P — Best value
A best-seller for good reason: compact, affordable and effective in bedrooms and small offices.
Specs: Ideal room: About 260 sq ft · Filter: Non-HEPA + carbon · Yearly filters: About $96 · List price: $100
Pros:
- Solid cleaning
- Low price
Cons:
- A little noisy on high
3. Levoit Core Mini-P — Best for tiny spaces
A tiny purifier for desks, dorms and small bedrooms.
Specs: Ideal room: About 65 sq ft · Filter: Non-HEPA · Yearly filters: About $55 · List price: $50
Pros:
- Fits on a desk or nightstand
- Very cheap
Cons:
- Limited cleaning power
4. Winix 5510 — Best for allergies and smoke
Serious filtration for allergy sufferers and wildfire season.
Specs: Ideal room: About 375 sq ft · Filter: True HEPA + carbon · Yearly filters: About $109 · List price: $180
Pros:
- Heavy-duty HEPA and carbon
- Great for medium and large rooms
Cons:
- Pricey filters
5. Levoit Core 400S-P — Best for larger rooms
A step up from the Core 300 for living rooms and open-plan spaces, with app control.
Specs: Ideal room: About 320 sq ft · Filter: Non-HEPA, no ionizer · Yearly filters: About $85 · List price: $220
Pros:
- Strong cleaning performance
- Longer filter life
Cons:
- A bit loud
6. Coway Airmega Mighty AP-1512HH — Best HEPA pick on sale
A long-running favorite that often goes on sale, making it one of the best values in true HEPA.
Specs: Ideal room: About 330 sq ft · Filter: True HEPA + carbon · Yearly filters: About $83 · List price: $230
Pros:
- Excellent HEPA filtration
- Frequently discounted
Cons:
- Loud on high
Want the full background first? Read our air purifier buying guide.
How to choose air purifiers
Room size and CADR
Choose a purifier rated for your room. The CADR (clean air delivery rate) number tells you how fast it cleans; a common rule is CADR about two-thirds of the room’s square footage.
Filters
True HEPA filters capture very fine particles. Activated carbon helps with odors and smoke. Avoid models that produce ozone.
Running costs
Replacement filters can cost $50–$110 a year. Factor that into the price.
Noise
Look for quiet low and sleep modes if it will run in a bedroom.
FAQ
Do air purifiers help with allergies?
They can reduce airborne allergens like pollen and dander, especially when paired with regular cleaning.
Should I run it all the time?
For best results, yes, on low or auto mode, with doors and windows closed.
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