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Comparison Air Purifiers

Coway Mighty vs Levoit Core 300: Which Should You Buy?

Quick answer

Choose the Coway Mighty for medium and large bedrooms; choose the Levoit Core 300 for small rooms and tight budgets.

By Buyzello Editorial Team 1 min read

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Illustration of air purifiers (not a photo of this product)
Recommended

Coway Airmega AP-1512HH Mighty

Best for most rooms

Typically $149–$229

Check Price on Amazon at Amazon Paid link
Illustration of air purifiers (not a photo of this product)
Recommended

Levoit Core 300 True HEPA Air Purifier

Best for small rooms and budgets

Typically $79–$99

Check Price on Amazon at Amazon Paid link

Quick comparison

FeatureCoway Airmega AP-1512HH MightyLevoit Core 300 True HEPA Air Purifier
VerdictRecommendedRecommended
Typical price$149–$229$79–$99
Best forMost roomsSmall rooms and budgets
Key featureProven HEPA cleaning at a fair priceSmall, quiet and cheap
Room sizeUp to about 361 sq ftUp to about 219 sq ft
CADRAbout 240 (smoke)—
Filter—3-stage HEPA
Where to buyCheck Price at Amazon Paid linkCheck Price at Amazon Paid link

Main differences

Room size

Coway cleans larger rooms faster.

Price

Levoit costs about half as much.

Noise

Both are quiet on low.

Filters

Both have affordable replacement filters.

Which should you choose?

Choose the Coway Airmega AP-1512HH Mighty if you

  • have a medium or large room
  • want auto mode with an air sensor
  • suffer from allergies
Check Price at Amazon Paid link

Choose the Levoit Core 300 True HEPA Air Purifier if you

  • have a small bedroom or office
  • want the lowest price
  • want a compact purifier
Check Price at Amazon Paid link

Which specifications matter?

Focus on the differences above rather than headline numbers. For more options, see our list of the best air purifiers.

Not sure about either? Consider these

Frequently asked questions

Which is better, the Coway Mighty or the Levoit Core 300?

Choose the Coway Mighty for medium and large bedrooms; choose the Levoit Core 300 for small rooms and tight budgets.

Which is better value?

The Coway Mighty typically costs $149–$229 and the Levoit Core 300 typically costs $79–$99. The better value depends on which differences above matter to you.

Buyzello Editorial Team

Part of the Buyzello research team. We compare specifications, documentation and real-world trade-offs so you can decide faster.

How we test and score Editorial policy

Coway Mighty vs Levoit Core 300: the deciding differences

Coway Mighty vs Levoit Core 300: which should you buy? Choose the Coway Mighty for medium and large bedrooms; choose the Levoit Core 300 for small rooms and tight budgets. Typical prices are $149–$229 for the Coway Mighty and $79–$99 for the Levoit Core 300.

The Coway Mighty is best for most rooms. Its key feature is proven HEPA cleaning at a fair price. Buy it if you want a reliable HEPA purifier for a bedroom or living room that is quiet and cheap to run. Owners and specs point to strengths such as true HEPA filtration, quiet on low and air quality indicator and auto mode, while the main drawbacks are no app on the standard model and plain design.

The Levoit Core 300 is best for small rooms and budgets, with small, quiet and cheap as its headline feature. Buy it if you want an affordable purifier for a small bedroom, nursery or office. Its strengths include very affordable, quiet sleep mode and compact design; the trade-offs are small room coverage and filters need replacing every 6 to 8 months.

The differences that matter most: Room size: Coway cleans larger rooms faster. Price: Levoit costs about half as much. Noise: Both are quiet on low. Filters: Both have affordable replacement filters.

Choose the Coway Mighty if you have a medium or large room, want auto mode with an air sensor and suffer from allergies. Choose the Levoit Core 300 if you have a small bedroom or office, want the lowest price and want a compact purifier. If neither fits, our list of the best air purifiers covers more options at different prices.

Check CADR (clean air delivery rate) and match it to your room size. True HEPA filters capture fine particles from pollen, dust and smoke. Add up filter costs; they can exceed the purifier's price over a few years.

Yes. HEPA purifiers remove pollen, dust and pet dander from the air, which many allergy sufferers find helps. HEPA purifiers sized for the room remove most smoke particles. Close windows and run on high during smoky days.

Air purifier prices drop on Prime Day and ahead of allergy and wildfire seasons. Check the cost and availability of replacement filters before you buy.

Across the air purifiers we cover, typical prices run from $79 to $399. Store prices change often, so treat these as typical ranges and check the current price before you buy.