PuroAir Air Purifier 100i Smart HEPA Air Purifiers vs WINIX 5520 Air Purifier for Home Large Room Up to
Updated August 2026 — WINIX 5520 Air Purifier for Home Large Room Up to leads on coverage area and air quality.
The PuroAir Air Purifier 100i is a budget-friendly option for small spaces, while the WINIX 5520 offers superior performance for larger areas.
Why PuroAir Air Purifier 100i Smart HEPA Air Purifiers is better
Price
PuroAir is significantly cheaper.
Portability
PuroAir is more compact and easier to move.
Smart Features
PuroAir has a user-friendly app.
Why WINIX 5520 Air Purifier for Home Large Room Up to is better
Coverage
WINIX purifies larger areas up to 1882 sq ft.
Filtration
WINIX captures 99.99% of allergens.
Noise Level
WINIX operates at a lower noise level.
Overall score
Specifications
| Spec | PuroAir Air Purifier 100i Smart HEPA Air Purifiers | WINIX 5520 Air Purifier for Home Large Room Up to |
|---|---|---|
| Filtration | 99.9% | 99.99% |
| Smart App | Yes | Yes |
| Auto Mode | No | Yes |
| Pre-Filter | No | Yes |
| Warranty | 2 years | 1 year |
Dimension comparison
Overview of PuroAir Air Purifier 100i Smart HEPA
The PuroAir Air Purifier 100i Smart HEPA is designed to efficiently clean the air in smaller spaces, filtering pollutants in areas up to 550 square feet. Priced at $74.99, it is well-suited for bedrooms, offices, and homes with pets, making it a popular choice among consumers. With a sales rank of 25,058, it has garnered attention for its effective filtration system, which reportedly removes up to 99.9% of common indoor pollutants like dust, pollen, and smoke.
The air purifier features a three-layer filtration system, including a HEPA filter and activated carbon, ensuring thorough air purification. Additionally, the device is Wi-Fi-enabled, allowing users to control it via a mobile app, enhancing its convenience and user-friendliness.
Overview of WINIX 5520 Air Purifier
The WINIX 5520 Air Purifier is built to handle larger spaces, capable of purifying air in rooms up to 1,882 square feet. With a price tag of $179.99, it is positioned as a more premium option. This model ranks significantly higher in sales, currently at 1,041, indicating a strong market presence and consumer trust.
Equipped with a True HEPA filter that captures 99.99% of airborne allergens, including particles as small as 0.01 microns, the WINIX 5520 is particularly effective for those with serious allergies or respiratory issues. Its advanced features, such as auto mode and a real-time air quality indicator, further enhance its appeal, making it a smart choice for larger households or open-concept living areas.
Filtration Technology
When comparing filtration technology, the PuroAir Air Purifier 100i employs a three-layer system that effectively filters pollutants and allergens, achieving a filtration efficiency of 99.9%. This makes it suitable for users who need immediate relief from allergens in smaller spaces.
On the other hand, the WINIX 5520 offers a more advanced four-stage air purification system, which includes a washable pre-filter and an advanced odor control carbon filter. This purifier not only captures airborne allergens but also reduces VOCs and household odors, making it a more comprehensive solution for larger rooms. Overall, the WINIX 5520's filtration capabilities provide a more robust approach to air purification, especially in extensive areas.
Smart Features and Usability
The PuroAir Air Purifier 100i stands out with its smart app capabilities, allowing users to control the purifier remotely via Wi-Fi. This feature enhances usability, especially for tech-savvy consumers who prefer managing devices through their smartphones.
Conversely, the WINIX 5520 also supports smart app functionality, enabling users to monitor and adjust settings from a distance. The inclusion of smart sensors that automatically adjust fan speeds based on real-time air quality is a significant advantage. This not only improves efficiency but also saves energy, making it a smart investment for environmentally conscious consumers.
Noise Levels and Energy Efficiency
Noise levels can significantly affect user experience, and both purifiers address this concern. The PuroAir Air Purifier operates quietly, making it suitable for bedrooms and other quiet spaces.
The WINIX 5520 is designed to be ultra-quiet, operating at a mere 23.5 dB on its lowest speed, ensuring it won’t disrupt sleep or daily activities. Additionally, it features an automatic sleep mode that activates in low-light conditions, further enhancing energy efficiency. While both models are designed to operate quietly, the WINIX 5520 takes the edge in noise reduction and energy savings.
Design and Portability
In terms of design and portability, the PuroAir Air Purifier 100i is compact and lightweight, making it easy to move between rooms as needed. Its sleek design fits well in various decor styles, appealing to consumers who prioritize aesthetics alongside functionality.
The WINIX 5520, although larger due to its capacity to purify more air, still maintains a contemporary look that fits seamlessly into home environments. However, its increased size may limit its portability compared to the PuroAir model, which is tailored for smaller spaces. Therefore, for users needing a portable solution, the PuroAir may be the better option.
Price Comparison
Price is a crucial factor in the decision-making process. The PuroAir Air Purifier 100i is currently priced at $74.99, making it about 58% cheaper than the WINIX 5520, which retails for $179.99. For consumers on a budget or those looking for a cost-effective solution for smaller areas, the PuroAir presents a compelling option.
Nonetheless, the higher price of the WINIX 5520 can be justified by its larger coverage area and advanced features, which may appeal to consumers needing a more powerful air purification solution for larger spaces.
Which should you buy?
Choosing between the PuroAir Air Purifier 100i and the WINIX 5520 ultimately depends on your specific needs. If you require a portable, budget-friendly option for small rooms, the PuroAir is an excellent choice, especially with its smart features and effective filtration. However, for those with larger spaces or more serious air quality concerns, the WINIX 5520 offers superior purification capabilities and advanced features that justify its higher price. Both purifiers excel in their respective niches, making them worthy contenders in the air purifier market.

