COWAY Airmega Mighty2 Air Purifier, Next Gen of AP-1512HH vs PuroAir Air Purifier 100i Smart HEPA Air Purifiers
Updated August 2026 — COWAY Airmega Mighty2 Air Purifier, Next Gen of AP-1512HH wins on coverage and maintenance, PuroAir Air Purifier 100i Smart HEPA Air Purifiers wins on price.
The COWAY Airmega Mighty2 offers superior filtration and larger coverage, while the PuroAir 100i is a budget-friendly option for smaller spaces.
Why COWAY Airmega Mighty2 Air Purifier, Next Gen of AP-1512HH is better
Coverage
Cleans up to 1,800 sq ft
Filtration
Captures 99.97% of particles
Smart Features
Advanced air quality monitoring
Why PuroAir Air Purifier 100i Smart HEPA Air Purifiers is better
Price
Costs $74.99
Portability
Designed for smaller spaces
Popularity
Higher sales rank
Overall score
Specifications
| Spec | COWAY Airmega Mighty2 Air Purifier, Next Gen of AP-1512HH | PuroAir Air Purifier 100i Smart HEPA Air Purifiers |
|---|---|---|
| Max Area | 1800 ft² | 550 ft² |
| Price | $269.99 | $74.99 |
| CADR Dust | 242 | N/A |
| CADR Smoke | 240 | N/A |
| CADR Pollen | 249 | N/A |
Dimension comparison
Overview
When comparing air purifiers, the COWAY Airmega Mighty2 and the PuroAir Air Purifier 100i stand out for their unique features and capabilities. The COWAY Airmega Mighty2 is priced at $269.99, while the PuroAir Air Purifier 100i is significantly cheaper at $74.99, making it about 72% less expensive. However, price isn't the only factor to consider when determining which purifier is the better choice for your home.
Cleaning Capacity
The COWAY Airmega Mighty2 is designed to purify large rooms, effectively cleaning areas up to 1,800 square feet. In contrast, the PuroAir Air Purifier 100i is limited to a smaller space, filtering pollutants in areas up to 550 square feet. This means that while the COWAY Mighty2 can handle larger environments, the PuroAir may be more suitable for smaller rooms like bedrooms or offices.
Filtration System
The filtration systems of both purifiers are impressive but differ in complexity. The COWAY Airmega Mighty2 features a 3-stage filtration system that includes a washable pre-filter and a 2-in-1 HEPA and active carbon filter, capturing up to 99.97% of airborne particles as small as 0.3 microns. On the other hand, the PuroAir Air Purifier 100i also employs a 3-layer filtration system, boasting a True HEPA filter that captures 99.9% of pollutants, making it a reliable choice for allergy sufferers.
Smart Features
The COWAY Airmega Mighty2 has a built-in smart mode that automatically adjusts airflow based on real-time air quality, while its Megascan laser sensor provides an accurate reading of indoor air quality. The PuroAir 100i, meanwhile, offers app connectivity, allowing for remote control of fan speed and settings. While both purifiers incorporate smart technology, the COWAY’s advanced air quality monitoring may provide a more hands-off approach to maintaining optimal air conditions.
Noise Levels
When it comes to noise, the COWAY Airmega Mighty2 operates quietly, with a minimum sound level of just 19 dB in sleep mode. This ensures that it won't disturb your peace during the night. In contrast, the noise level for the PuroAir Air Purifier 100i isn't specified, but smaller purifiers typically operate at a higher noise level than larger models. Therefore, if quiet operation is a priority, the COWAY may be the better option.
Energy Efficiency
The COWAY Airmega Mighty2 is designed to be energy-efficient, consuming a maximum of 56 watts, which is about 20% less energy than its previous model. Energy efficiency is an essential consideration for long-term operation costs. The PuroAir Air Purifier 100i's energy consumption details are not provided, but given its smaller size, it is likely to be less energy-intensive. However, without specific data, it's hard to make a direct comparison.
Bestsellers and Recognition
The COWAY Airmega Mighty2 has a sales rank of 31,023, while the PuroAir Air Purifier 100i holds a slightly better rank of 25,058. This indicates that the PuroAir has gained more popularity in the market, possibly due to its lower price point and effective performance in smaller spaces. Additionally, the PuroAir was voted the best air purifier by Newsweek in 2025, which adds to its credibility.
Maintenance and Filter Replacement
One of the standout features of the COWAY Airmega Mighty2 is its precise filter life indicator, which eliminates the guesswork in filter maintenance. Users can see exactly when to replace or wash the filters, ensuring optimal performance. While the PuroAir Air Purifier 100i does not specify its filter maintenance system, it is essential to consider that regular filter changes are necessary for all air purifiers to function effectively.
Which should you buy?
Choosing between the COWAY Airmega Mighty2 and the PuroAir Air Purifier 100i largely depends on your specific needs and budget. The COWAY Airmega Mighty2 offers superior filtration, larger coverage area, and advanced smart features, but at a higher price point of $269.99. In contrast, the PuroAir Air Purifier 100i is about 72% cheaper at $74.99, making it an excellent choice for smaller spaces and budget-conscious consumers. If you require a robust purification solution for larger rooms and prioritize advanced features, the COWAY is the way to go. However, if you need a portable, budget-friendly option with essential air-cleaning capabilities, the PuroAir would serve you well.

