AIRDOCTOR

AIRDOCTOR AIRDOCTOR AD3500 Air Purifier

Name: AIRDOCTOR AD3500 Air Purifier
Brand: AIRDOCTOR
SKU: B0C9L68PVF
Price: 447 JPY
Availability: InStock
Rating: 4.3375 (1 reviews)

Rating

Model: AD3000/AD3500

$447(incl. tax)Amazon price as of 2025-09-02

Buy on Amazon

Product Overview

The AIRDOCTOR AD3500 Air Purifier features a 3-stage filtration system with an UltraHEPA filter and a dual-action Carbon VOC filter, capturing particles as small as 0.003 microns. It is designed for rooms up to 1260 sq. ft., circulating air 2x/hour. The auto mode adjusts filtration levels based on air quality, and whisper-jet fans ensure quiet operation. Additional features include a child lock, night mode, optional ions, timer, and both auto and manual modes. It is compatible only with AirDoctor UltraHEPA and Carbon VOC filters.

Product Specifications

Applicable Area

1260sq ft

CADR (Smoke)

-CFM

CADR (Dust)

-CFM

CADR (Pollen)

-CFM

Filter Type

UltraHEPA, Carbon, VOC

Number of Fan Speeds

Noise Level (Min)

-dB

Noise Level (Max)

-dB

Power Consumption

-W

Smart Features

Size & Weight

Weight

24.2 Pounds

Hight

20"

Width

20"

Depth

20"

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 air quality sensor detects odors and adjusts the purification level automatically, ensuring quick response to smells and maintaining fresh air without manual adjustments, enhancing convenience and air quality.

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 air quality sensor detects dust particles and adjusts the purification level automatically, increasing fan speed when dust is detected to ensure efficient particle removal, maintaining clean air effectively.

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 unit does not have a PM2.5 display function, so you cannot visually monitor the air quality in your room in terms of fine particulate matter concentration. This limits real-time feedback on air quality effectiveness.

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

The filter replacement indicator ensures the air purifier operates efficiently by prompting timely filter changes, preventing reduced performance from clogged filters and maintaining consistent air quality, which is essential for long-term use.

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

The child lock function disables the control panel to prevent unintended changes, providing peace of mind when the air purifier is placed in areas accessible to children, ensuring settings are not accidentally altered.

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

Night mode reduces operating noise and dims display lights for quiet operation during sleep, making it ideal for bedrooms and ensuring undisturbed rest, catering to those sensitive to noise or light while sleeping.

SHOPSTAFF Rating Score

Ranked #8 out of 100 products in Category

4.3

Overall Rating

The AIRDOCTOR AD3500 offers high performance with its UltraHEPA filter and large room coverage. However, it lacks smart features and has a higher price point.

Coverage Area (CADR)

4.3

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

Designed for rooms up to 1260 sq. ft., it effectively circulates air in medium to large spaces, ensuring comprehensive air purification. Consider a larger unit for very large spaces.

HEPA Filter Quality and Type

4.8

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

The UltraHEPA filter captures 99.99% of particles as small as 0.003 microns, surpassing standard HEPA filters in particle capture efficiency, providing superior air purification.

Pre-filter and Filter Replacement

4.0

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

While it extends the life of the UltraHEPA filter, the pre-filter's washability is not specified, potentially increasing long-term maintenance costs. Filter replacement is necessary, adding to running expenses.

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 dual-action Carbon VOC filter effectively removes odors, gases, and VOCs, making it suitable for environments with strong smells or chemical sensitivities, enhancing overall air quality.

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

Equipped with whisper-jet fans, it operates quietly, making it suitable for bedrooms and offices where noise is a concern, ensuring minimal disturbance during use.

Air Quality Sensor and Auto Mode

4.7

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 filtration levels, optimizing performance and energy consumption based on real-time air quality, ensuring efficient operation.

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

AIRDOCTOR has a good reputation, but limited warranty information is available, requiring potential buyers to verify warranty terms for long-term reliability and support.

Cost Performance

3.8

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

While offering advanced filtration and coverage, the higher price point may require buyers to carefully consider its value relative to other options with similar features and coverage.

Brand & Manufacturer Details

AIRDOCTOR

AIRDOCTOR provides air purifiers with UltraHEPA filters and dual-action Carbon VOC filters, capturing particles 100x smaller than standard HEPA filters.

Considerations

Filter replacement required
Only compatible with AirDoctor filters
Relatively high price

Recommended For

Individuals with allergies
Pet owners
Those needing air purification for large rooms

Not Recommended For

Those on a tight budget
Users seeking smart features
Those with small spaces

Suitable For

Living rooms
Bedrooms
Kitchens

Not Suitable For

Small apartments
Cars
Outdoor use

Frequently Asked Questions (FAQ)

Q.I have two cats and cook frequently. Will this air purifier help eliminate odors?

A.Yes, according to staff confirmation, this air purifier is effective at reducing cooking smells and pet odors. One staff member noted that it significantly reduced cooking smells and eliminated litter box odors in their foster room.

Q.I have two cats and cook frequently. Will this air purifier help eliminate odors?

Q.Is this air purifier suitable for use during home renovations to combat dust and poor air quality?

A.Yes, staff confirmation indicates that this air purifier made a significant difference during a home remodel, reducing coughing attacks and improving overall air quality.

Q.Is this air purifier suitable for use during home renovations to combat dust and poor air quality?

A.Yes, staff confirmation indicates that this air purifier made a significant difference during a home remodel, reducing coughing attacks and improving overall air quality.

Q.How often do the filters need to be replaced?

A.Staff confirmation suggests the carbon filter lasts approximately 6 months with normal use. The air purifier has an indicator light to remind you when it's time to replace the filter.

Q.How often do the filters need to be replaced?

A.Staff confirmation suggests the carbon filter lasts approximately 6 months with normal use. The air purifier has an indicator light to remind you when it's time to replace the filter.

Q.I'm concerned about the noise level. Is it quiet enough to use in a bedroom?

A.The air purifier has an auto mode and multiple fan speeds, including a quiet low-speed setting. Staff confirmation mentions that it's quiet enough to use in a living room/kitchen with a high vaulted ceiling, and would likely be suitable for a bedroom as well.

Q.I'm concerned about the noise level. Is it quiet enough to use in a bedroom?

Q.Can this air purifier help with allergies and respiratory issues?

A.Yes, according to staff confirmation, it can help with allergies and respiratory issues. One staff member mentioned it helped with a dry throat and stuffy nose. Another staff member with a medically complex child appreciates knowing the air is clean and free of irritants.

Q.Can this air purifier help with allergies and respiratory issues?

Q.Is this air purifier worth the higher price compared to other options?

A.Several staff confirm that it is worth the price due to its high quality, excellent function, and effectiveness in capturing particles. One staff member mentioned they got it at a lower price and at the current price might consider other options, but it would still be an excellent choice. It is suggested to compare the minimum particle size that can be filtered out with less expensive options.

Q.Is this air purifier worth the higher price compared to other options?

SHOPSTAFF Rating Ranking

View Details Buy on Amazon Report Content Error

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

View Details Buy on Amazon Report Content Error

View Details Buy on Amazon Report Content Error

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

View Details Buy on Amazon Report Content Error

View Details Buy on Amazon Report Content Error

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

View Details Buy on Amazon Report Content Error

View Details Buy on Amazon Report Content Error

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

View Details Buy on Amazon Report Content Error

View Details Buy on Amazon Report Content Error

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

View Details Buy on Amazon Report Content Error

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

AIRDOCTOR AIRDOCTOR AD3500 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