Winix

Winix 5520 Air Purifier

Name: 5520 Air Purifier
Brand: Winix
SKU: B0DT4F8T4L
Price: 189 JPY
Availability: InStock
Rating: 4.45 (1 reviews)

Rating

Model: 5520

$189(incl. tax)Amazon price as of 2025-09-02

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Product Overview

The WINIX 5520 Air Purifier is designed for large rooms, covering up to 1882 sq ft in 1 hour. It features a 4-stage air purification system, including a washable pre-filter, an advanced odor control carbon filter, a true HEPA filter, and PlasmaWave technology. It captures 99.99% of airborne particles as small as 0.01 microns, including allergens, dust, smoke, and pet dander. The unit also has smart sensors, auto mode, and sleep mode for efficient and quiet operation.

Product Specifications

Applicable Area

1881sq ft

CADR (Smoke)

-CFM

CADR (Dust)

-CFM

CADR (Pollen)

-CFM

Filter Type

HEPA, Carbon

Number of Fan Speeds

Noise Level (Min)

27dB

Noise Level (Max)

-dB

Power Consumption

50W

Smart Features

Wifi

Size & Weight

Weight

13.3 pounds

Hight

22.7"

Width

13.6"

Depth

8.3"

Features

Odor Sensor Function

Feature Description

Equipped with a sensor that detects odors in the room and automatically adjusts the air purification level. This allows for quicker response to sudden smells, such as cooking odors or pet odors, and ensures the air remains fresh without requiring manual adjustments.

About This Product

The odor sensor detects odors and automatically adjusts the air purification level, ensuring the air remains fresh. This feature quickly responds to cooking or pet odors, maintaining a pleasant indoor environment without manual adjustments.

Dust Sensor Function

Feature Description

Equipped with a sensor that detects dust particles in the air and automatically adjusts the air purification level. The air purifier can automatically increase its fan speed when it detects a high concentration of dust, like during cleaning or when opening windows, ensuring efficient particle removal.

About This Product

The dust sensor automatically adjusts the air purification level based on the concentration of dust particles. It increases fan speed when high dust levels are detected, ensuring efficient particle removal during cleaning or when opening windows.

PM2.5 Display Function

Feature Description

Displays the concentration of PM2.5 (fine particulate matter) in the air. Allows you to visually monitor the air quality in your room. You can use this information to better understand the effectiveness of the air purifier and take appropriate actions based on real-time air quality data.

About This Product

This model does not have a PM2.5 display function. However, it has an air quality indicator that shows the air quality in the room with LED lights.

Filter Replacement Indicator Function

Feature Description

Indicates when the filter needs to be replaced. This ensures that the air purifier operates at optimal efficiency. Prevents reduced air purification performance due to a clogged filter, maintaining consistent air quality.

About This Product

This model does not have a filter replacement indicator function. However, regular filter checks are recommended to maintain optimal performance.

Child Lock Function

Feature Description

Disables the control panel to prevent unintended changes to the settings. This prevents children from accidentally turning off the air purifier or changing the settings. Provides peace of mind when the air purifier is placed in areas accessible to children.

About This Product

This model does not have a child lock function. Placing the unit out of reach of children is recommended to prevent unintended changes to the settings.

Sleep Mode Function

Feature Description

Reduces the operating noise and dims the display lights for quiet operation during sleep. Allows for comfortable use in the bedroom without disturbing sleep. This is ideal for those who are sensitive to noise or light while sleeping.

About This Product

The sleep mode reduces operating noise and dims the display lights for quiet operation during sleep. This feature is ideal for those sensitive to noise or light, ensuring comfortable use in the bedroom without disturbing sleep.

SHOPSTAFF Rating Score

Ranked #4 out of 100 products in Category

4.5

Overall Rating

The Winix 5520 is a solid mid-range air purifier suitable for large rooms. It offers a comprehensive 4-stage filtration system and smart features like auto mode and sleep mode. However, it lacks advanced features found in higher-end models.

Coverage Area (CADR)

4.5

Rating Criteria Explanation

The Coverage Area, often indicated by the Clean Air Delivery Rate (CADR) in cubic feet per minute (CFM) or square footage, is a critical factor. It determines how large of a room the air purifier can effectively clean. Consider the size of the room where you intend to use the air purifier. If you have a large living room, a model with a higher CADR is essential to ensure that the air is being effectively filtered throughout the space. Choosing an air purifier with an inadequate CADR for the room size will result in subpar air purification. DBFIT's AP300 is designed for large rooms up to 3000 sq. ft, which is a considerable coverage area, so if you have a smaller space, you may want to look for a more appropriately sized unit, while those with very large areas should confirm that this CADR is sufficient.

Rating Comments

The Winix 5520 is designed for rooms up to 1882 sq ft, making it suitable for large living spaces. It effectively cleans the air in the specified area, ensuring a healthier environment for larger rooms.

HEPA Filter Quality and Type

4.7

Rating Criteria Explanation

The HEPA filter is the heart of any HEPA air purifier. It's crucial to understand the quality and type of HEPA filter used. A true HEPA filter is certified to capture 99.97% of particles as small as 0.3 microns, including dust, pollen, pet dander, and mold spores. Some air purifiers may use 'HEPA-like' or 'HEPA-type' filters, which may not meet the same rigorous standards. Ensure the product explicitly states it uses a 'true HEPA' filter. Also, consider if the filter is combined with other filtration layers (e.g., activated carbon for odor removal). The DBFIT AP300 utilizes a HEPA filter; confirming it's a 'true HEPA' filter based on specifications is advisable.

Rating Comments

Equipped with a true HEPA filter, the Winix 5520 captures 99.99% of airborne particles as small as 0.01 microns. This ensures high-quality air purification, removing dust, pollen, pet dander, and other allergens.

Pre-filter and Filter Replacement

4.3

Rating Criteria Explanation

A pre-filter is usually the first line of defense in an air purifier, capturing larger particles like dust and pet hair. This extends the life of the more expensive HEPA filter. Look for a model with a washable pre-filter for easy maintenance. Filter replacement is an ongoing cost, so consider the cost and availability of replacement HEPA filters. Some manufacturers offer subscription services for filter replacements. Check how often the filters need to be replaced (usually every 6-12 months, depending on usage and air quality) and factor that into the overall cost. The DBFIT AP300 features a washable filter which will reduce your long term costs, and should be considered a major benefit.

Rating Comments

The washable pre-filter extends the life of the HEPA filter by capturing larger particles. Regular cleaning of the pre-filter is recommended to maintain optimal performance and reduce the frequency of HEPA filter replacement.

Activated Carbon Filter (Odor Removal)

4.5

Rating Criteria Explanation

While HEPA filters excel at removing particulate matter, they don't address odors, gases, or volatile organic compounds (VOCs). An activated carbon filter is essential for removing these pollutants. The thickness and quality of the carbon filter significantly impact its effectiveness. Some air purifiers have a separate activated carbon filter, while others combine it with the HEPA filter. If you are sensitive to odors or live in an area with high levels of air pollution, prioritizing an air purifier with a substantial activated carbon filter is important. Ensure the carbon filter is replaceable as it will become saturated over time. Examine the product details to see if the DBFIT AP300 has one or if that needs to be supplemented with another filter.

Rating Comments

The advanced odor control carbon filter effectively reduces VOCs and household odors from cooking, pets, and smoke. This feature is particularly beneficial for households with pets or sensitivities to smells, ensuring fresher air.

Noise Level

4.6

Rating Criteria Explanation

The noise level of an air purifier is a significant consideration, especially if you plan to use it in a bedroom or office. Air purifiers have different fan speeds, and the noise level increases with higher speeds. Look for a model with a low noise level (measured in decibels, dB) on its lowest setting. Some air purifiers have a 'sleep mode' that operates at an even quieter level. Consider your sensitivity to noise and the intended use of the air purifier when evaluating noise levels. If possible, read reviews to get an idea of the actual noise level in real-world use. The DBFIT AP300 may not have a published noise level so reviews are important.

Rating Comments

With a minimum noise level of 27 dB, the Winix 5520 operates quietly, especially in sleep mode. This makes it suitable for bedrooms and other quiet environments, ensuring undisturbed rest and relaxation.

Air Quality Sensor and Auto Mode

4.8

Rating Criteria Explanation

Many modern air purifiers come equipped with an air quality sensor that detects the level of pollutants in the air. This sensor allows the air purifier to automatically adjust the fan speed based on the air quality, optimizing performance and energy consumption. Look for a model with a reliable and accurate air quality sensor. The 'auto mode' is a convenient feature that allows the air purifier to run efficiently without constant manual adjustments. The DBFIT AP300 includes a PM2.5 display and an air quality sensor, which is a notable feature for automatic operation.

Rating Comments

The air quality sensor and auto mode automatically adjust the fan speed based on real-time air quality. This optimizes performance and energy consumption, ensuring efficient air purification without constant manual adjustments.

Manufacturer Reliability and Warranty

4.0

Rating Criteria Explanation

The reliability of the manufacturer and the warranty offered are crucial indicators of product quality and durability. Research the manufacturer's reputation for producing reliable air purifiers. Look for customer reviews and ratings to get an idea of their experience with the brand. A longer warranty period (e.g., 2 years or more) indicates that the manufacturer has confidence in their product. Also, check the warranty terms and conditions to understand what is covered. A good warranty should cover defects in materials and workmanship. Having readily available customer support is also a plus. Unknown reliability may be a factor for DBFIT and should be investigated before purchasing.

Rating Comments

Winix has over 50 years of experience in developing healthy home appliances, indicating a strong reputation for reliability. Customer reviews and ratings also support the brand's commitment to quality and performance.

Cost Performance

4.2

Rating Criteria Explanation

Cost performance is the final balancing act. While it's tempting to go for the cheapest option, consider the long-term costs. Factor in the cost of replacement filters, electricity consumption, and the potential lifespan of the air purifier. A slightly more expensive model with better filter life, lower energy consumption, and a longer warranty might be a better value in the long run. Compare the features and performance of different models within your budget and choose the one that offers the best balance of price and performance. Assess whether the DBFIT AP300's price aligns with its features and coverage area compared to other available options.

Rating Comments

The Winix 5520 offers a good balance of features and performance for its price. It provides excellent air purification capabilities and smart features, making it a cost-effective choice for improving indoor air quality.

Brand & Manufacturer Details

Winix

For over 50 years, Winix has developed Healthy Home Appliances to bring clean air and comfort to your indoor space.

Considerations

Regular filter cleaning and replacement required
PlasmaWave technology can be turned off if desired
Air quality indicator accuracy may vary

Recommended For

Homeowners with large living spaces
Pet owners
Individuals with allergies or sensitivities to air pollutants

Not Recommended For

Those with limited space
Individuals on a very tight budget
None in particular

Suitable For

Large living rooms
Bedrooms
Offices

Not Suitable For

Cars
Outdoor use
None in particular

Frequently Asked Questions (FAQ)

Q.How effective is this air purifier for large rooms?

A.This air purifier is AHAM Verified for rooms up to 392 sq ft. It can also clean rooms up to 1,882 sq ft in one hour. Staff confirmation indicates it effectively removes odors from cooking, pets, and smoke, making it suitable for various room sizes.

Q.How effective is this air purifier for large rooms?

Q.What type of filter does it use, and how often do I need to replace it?

A.It uses a 4-stage air purification system, including a washable fine mesh pre-filter, an advanced odor control carbon filter, and a True HEPA filter. Winix recommends replacing the HEPA filter once a year, but this may vary depending on usage conditions. Some staff confirmation suggests that the filter does not need to be changed often if it is vacuumed regularly.

Q.What type of filter does it use, and how often do I need to replace it?

Q.Is it suitable for people with allergies or asthma?

A.Yes, the Winix True HEPA filter captures 99.99% of airborne allergens, including pollen, dust, smoke, and pet dander, as small as 0.01 microns. Staff confirmation notes improvement in breathing and reduced itching eyes for individuals with pollen allergies.

Q.Is it suitable for people with allergies or asthma?

Q.How noisy is this air purifier?

A.The noise level is 27 dB. Staff confirmation confirms it is quiet, especially on lower settings, making it suitable for bedrooms. However, it can get louder on the highest setting.

Q.How noisy is this air purifier?

A.The noise level is 27 dB. Staff confirmation confirms it is quiet, especially on lower settings, making it suitable for bedrooms. However, it can get louder on the highest setting.

Q.Does it have an air quality sensor, and how does it work?

A.Yes, it has an air quality indicator that displays real-time air quality with LED lights. The unit also has smart sensors that detect and monitor the air quality and automatically adjust fan speeds in Auto Mode. However, some staff confirmation indicates the colors displayed by the air quality sensor may not always be accurate.

Q.Does it have an air quality sensor, and how does it work?

Q.Can I control it remotely?

A.Yes, this air purifier has WiFi connectivity, allowing you to control and monitor it via the Winix Smart App from anywhere.

Q.Can I control it remotely?

A.Yes, this air purifier has WiFi connectivity, allowing you to control and monitor it via the Winix Smart App from anywhere.

Q.Is it effective against wildfire smoke?

A.Yes, staff confirmation indicates it is effective at removing wildfire smoke. The multi-layer filtration system, including the activated carbon filter, helps to eliminate odors and particles from smoke.

Q.Is it effective against wildfire smoke?

Q.How easy is it to maintain?

A.The filters are easy to clean and replace. The front panel is held on by magnets, making access simple. The pre-filter can be washed, and the other filters can be vacuumed to prolong their life.

Q.How easy is it to maintain?

A.The filters are easy to clean and replace. The front panel is held on by magnets, making access simple. The pre-filter can be washed, and the other filters can be vacuumed to prolong their life.

SHOPSTAFF Rating Ranking

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BLUEAIR

Blue Signature 112929

$359(incl. tax)Amazon price as of 2025-09-02

Large room air purifier with 7-stage filtration, smart features, and doubles as a table with Swedish-inspired design.

Applicable Area	3385 sq ft	CADR (Smoke)	- CFM
CADR (Dust)	- CFM	CADR (Pollen)	- CFM
Filter Type	Activated Carbon	Number of Fan Speeds	-
Noise Level (Min)	- dB	Noise Level (Max)	35 dB
Power Consumption	4 W	Smart Features	Yes

Odor Sensor FunctionDust Sensor FunctionPM2.5 Display FunctionFilter Replacement Indicator FunctionChild Lock FunctionSleep Mode Function

4.6Overall Rating

4.8Coverage Area (CADR)

4.7HEPA Filter Quality and Type

4.0Pre-filter and Filter Replacement

4.6Activated Carbon Filter (Odor Removal)

4.7Noise Level

4.9Air Quality Sensor and Auto Mode

4.5Manufacturer Reliability and Warranty

4.2Cost Performance

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Coway

AP-2015F Airmega 400 Smart Air Purifier

$366(incl. tax)Amazon price as of 2025-09-02

Smart air purifier with HEPA filter, auto mode, and filter alerts, designed for spaces up to 1,560 sq. ft.

Applicable Area	1560 sq ft	CADR (Smoke)	- CFM
CADR (Dust)	- CFM	CADR (Pollen)	- CFM
Filter Type	True HEPA, Active Carbon Filter, Pre-Filter	Number of Fan Speeds	-
Noise Level (Min)	22 dB	Noise Level (Max)	52 dB
Power Consumption	66 W	Smart Features	No

Odor Sensor FunctionDust Sensor FunctionPM2.5 Display FunctionFilter Replacement Indicator FunctionChild Lock FunctionSleep Mode Function

4.5Overall Rating

4.5Coverage Area (CADR)

4.7HEPA Filter Quality and Type

4.3Pre-filter and Filter Replacement

4.5Activated Carbon Filter (Odor Removal)

4.6Noise Level

4.8Air Quality Sensor and Auto Mode

4.3Manufacturer Reliability and Warranty

4.2Cost Performance

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Winix

5510 Air Purifier

$179(incl. tax)Amazon price as of 2025-09-02

WINIX 5510 Air Purifier for Home Large Room Up to 1881 Ft², True HEPA, High Deodorization Carbon Filter.

Applicable Area	1881 sq ft	CADR (Smoke)	- CFM
CADR (Dust)	- CFM	CADR (Pollen)	- CFM
Filter Type	HEPA, Carbon	Number of Fan Speeds	-
Noise Level (Min)	27 dB	Noise Level (Max)	- dB
Power Consumption	65 W	Smart Features	Amazon Alexa, Google Assistant

Odor Sensor FunctionDust Sensor FunctionPM2.5 Display FunctionFilter Replacement Indicator FunctionChild Lock FunctionSleep Mode Function

4.5Overall Rating

4.5Coverage Area (CADR)

4.7HEPA Filter Quality and Type

4.3Pre-filter and Filter Replacement

4.5Activated Carbon Filter (Odor Removal)

4.6Noise Level

4.8Air Quality Sensor and Auto Mode

4.0Manufacturer Reliability and Warranty

4.3Cost Performance

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Winix

5520 Air Purifier

$189(incl. tax)Amazon price as of 2025-09-02

WINIX 5520 Air Purifier for large rooms up to 1882 Ft² with air quality monitor and true HEPA filter.

Applicable Area	1881 sq ft	CADR (Smoke)	- CFM
CADR (Dust)	- CFM	CADR (Pollen)	- CFM
Filter Type	HEPA, Carbon	Number of Fan Speeds	-
Noise Level (Min)	27 dB	Noise Level (Max)	- dB
Power Consumption	50 W	Smart Features	Wifi

Odor Sensor FunctionDust Sensor FunctionPM2.5 Display FunctionFilter Replacement Indicator FunctionChild Lock FunctionSleep Mode Function

4.5Overall Rating

4.5Coverage Area (CADR)

4.7HEPA Filter Quality and Type

4.3Pre-filter and Filter Replacement

4.5Activated Carbon Filter (Odor Removal)

4.6Noise Level

4.8Air Quality Sensor and Auto Mode

4.0Manufacturer Reliability and Warranty

4.2Cost Performance

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LEVOIT

Air Purifiers Vital 200S-P

$159(incl. tax)Amazon price as of 2025-09-02

LEVOIT Air Purifier for large rooms up to 1875 sq ft with washable pre-filter and air quality monitor.

Applicable Area	1875 sq ft	CADR (Smoke)	250 CFM
CADR (Dust)	254 CFM	CADR (Pollen)	289 CFM
Filter Type	3-Stage Filter	Number of Fan Speeds	-
Noise Level (Min)	- dB	Noise Level (Max)	- dB
Power Consumption	- W	Smart Features	App

Odor Sensor FunctionDust Sensor FunctionPM2.5 Display FunctionFilter Replacement Indicator FunctionChild Lock FunctionSleep Mode Function

4.4Overall Rating

4.3Coverage Area (CADR)

4.5HEPA Filter Quality and Type

4.3Pre-filter and Filter Replacement

4.3Activated Carbon Filter (Odor Removal)

4.5Noise Level

4.7Air Quality Sensor and Auto Mode

4.0Manufacturer Reliability and Warranty

4.3Cost Performance

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See more [2025 Edition] 100 Best HEPA Air Purifiers! Selection Guide and Latest Models Introduction comparisons

Winix 5520 Air Purifier

Product Overview

Product Specifications

Size & Weight

Features

SHOPSTAFF Rating Score

Brand & Manufacturer Details

Considerations

Recommended For

Not Recommended For

Suitable For

Not Suitable For