
Coway Airmega AP-1512HH
Score: 88/100
Dyson Purifier Cool TP4B
Score: 75/100Rankings

The Coway Airmega AP-1512HH is a top-tier True HEPA air purifier for small-to-medium rooms up to 361 square feet, featuring intelligent auto modes and real-time air quality sensing. Its main trade-off is the lack of smart connectivity and potential ozone sensitivity from the ionizer. It is best suited for allergy sufferers and pet owners who prioritize automated air quality management and quiet operation.

The Dyson Purifier Cool TP4B is a 2-in-1 appliance that combines air purification with cooling fan functionality. It utilizes a fully-sealed HEPA H13 filter and activated carbon layer to capture 99.97% of particles as small as 0.3 microns while removing gases, odors, and harmful toxins like formaldehyde. The device automatically senses air quality changes, displays real-time pollution data on an LCD screen, and offers up to 350° oscillation with a backwards airflow mode for purification without cooling.
| Attribute | ![]() | ![]() |
|---|---|---|
361 sq_ftbest | — | |
246 cfmbest | — | |
| ↓ lower better | 24 dBbest | — |
12 monthsbest | 12 monthsbest | |
| ↓ lower better | 77 wattsbest | — |
5best | — | |
| ↓ lower better | 12.5 lbs | 10.98 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Coverage Area (sq_ft) | 361 sq_ft | null sq_ft |
Clean Air Delivery Rate (CADR) (cfm) | 246 cfm | null cfm |
Noise Level (dB) | 24 dB | null dB |
Filtration(1) | ||
Filtration Type | True HEPA | HEPA H13 + Activated Carbon |
General(1) | ||
Warranty | 3 years | null |
Power & Energy(2) | ||
Power Consumption (watts) | 77 watts | null watts |
Energy Efficiency Rating | Energy Star | Not Specified |
Design(1) | ||
Weight (lbs) | 12.5 lbs | 10.98 lbs |
Controls(4) | ||
Fan Speeds | 5 | null |
Control Interface | Buttons/Auto | LCD Display |
Timer Settings | true | null |
Remote Control | false | true |


Professional reviewers consistently rank it as a top-tier air purifier, with Wirecutter naming it their top pick for nine consecutive years, praising its balanced CADR ratings and intuitive auto mode.
Consumers express high satisfaction with rapid air quality improvement and accurate indicators, but complain about ongoing filter costs and fan noise at maximum speed.

“Clears pet dander/smoke fast”

“Quiet on auto, great for bedrooms.”

“Indicator is accurate.”


Professional reviewers and editors highlight that the TP4B delivers premium air purification performance comparable to Dyson's higher-end models, thanks to its fully-sealed HEPA H13 filtration system which captured over 95% of monitored particles in testing. Experts agree that the device offers excellent value for money, as it maintains identical core cooling and purification capabilities while costing approximately $100 less than the TP07 sister model. The consensus is that sacrificing smart home integration is an acceptable trade-off for most buyers seeking reliable air quality management without unnecessary connectivity features.