Air Doctor 5500 vs. Blueair Classic 605 Air Purifier

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Airdoctor 5000 vs. Blueair Classic 605 Air Purifier

Let’s face it: the air in your home can be slightly stale. We know you’re probably not ready to buy a vacuum cleaner yet. Thus, there are some steps you can take to improve the quality of your indoor air. 

An air purifier is one of the easiest ways to disinfect your home’s air. But which one should you buy?

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Air Doctor 5500 and the Blueair Classic 605 are two of the best air purifiers on the market. 

Both of these units have been practically designed to provide you with clean, healthy air. But some differences between them might make one better for your situation.

Air Doctor 5500 is simple, large, and fantastic. This big model is perfect if you have several rooms to purify. It’s portable enough to move anywhere from other areas of your home.

Meanwhile, Blueair Classic 605 is highly designed for very large spaces of rooms too. It is smart, self-adjusting, and boosts with high-tech applications.

Overall, both are great investments for your home.

Air Purifier Air Doctor 5500 Blueair Classic 605
Room Size Coverage 868 sq. ft. 5x/hour 775 sq. ft. 5x/hour
CADR (Smoke)/CFM 534 500
Fan Speeds 6 3
Noise Level 30 – 50 dB 33 – 62 dB
Power Consumption 10 – 100 W 15 – 100 W
Dimensions 16″ (W) x 16″ (D) x 28.75″ (H) 20” (W) x 13” (D) x 26” (H)
Weight 33 lbs 35 lbs
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Air Doctor 5500 Air Purifier 

Airdoctor 5500 (AD5500) Air Purifier 

AirDoctor 5500 is an easy-to-use, massive size, and high-capacity air purifier. 

It offers professional-level performance for use in expansive places at home. These are ideal for open kitchens and great rooms with high ceilings.

As you can see, Air Doctor 5500’s simple form makes it a versatile appliance. Homeowners can complement it on any interior scheme. 

According to reviews, consumers appreciate the product’s portability. This is due to the wheels installed beneath it. 

However, they were bothered by how loud the fan was, even at its lowest setting.


  • Simple and convenient controls 
  • Perfect for individuals who suffer from seasonal allergies
  • Expansion of power cord
  • Portable with a handle and wheels
  • Has installed 6 fan speeds


  • No mobile control options

AirDoctor 5500i - Airdoctor with Wifi connected app

With the new AD5500i model, you don’t have any cons as it provides mobile control through the AirDoctor app.

Blueair Classic 605 Air Purifier  

Blueair Classic 605 Air Purifier  

Classic 605 is an excellent option for a large air purifier with high-tech functions.

It’s enormous, has a strong fan, and delivers excellent performance.

Furthermore, Blueair Classic 605 has a WiFi connection. Therefore, you can hook it up to your phone and control the purifier using the Blueair App. 

Customers report that air quality in their homes has greatly improved after purchase. They believe it looks nice, has a basic layout, and is simple.

Nevertheless, consumers comment about its operational layout. To satisfy buyers, they highly suggest a little redesign.


  • Beautiful simplicity in design
  • Superb air quality with strong CADR and ACH values
  • Intelligent Wi-Fi Capabilities
  • Superior noise-canceling and ventilation equipment


  • There is no Smart Sensor built-in
  • Super simple in terms of operational layout
  • Very loud on high-speed

AirDoctor 5500 vs. Blueair Classic 605 Design

Air Doctor 5500 is a little bit taller than Blueair Classic 605 when it comes to height. However, the Classic 605 is heavier because of its massive weight.

Regarding the design features, 605 contains WiFi buttons that enable sensitive touch. In contrast, AD5500 relies heavily on its 8 power buttons for operation.

Size, Colors, and Exterior

Generally, the Classic 605 purifier is entirely made of galvanized steel with four wheels. Thus, it has an enormous weight of 35 pounds. It looks like a computer tower but is bigger than your desktop PC.

Its dimensions are 20 inches across (W) and 26 inches in height (H). Also, this air purifier comes with only a white variation.

In contrast, the AirDoctor 5500 is also a massive device at 28.75 inches in height and 16 inches wide. A rectangular form and a pure white color scheme mainly characterize the exterior of the AD 5500.

Control Panels and Navigation

As you can see, Classic 605 is easy to run without supervision. Thanks to its remote and automated features. Moreover, the air intake and exhaust grills are mainly on the unit’s side.

Compared, the Air Doctor 5500 has 8 power buttons on top of the device. You can also see the air outlet in the same place as the buttons. Moreover, the control panels make it simple to modify your settings.

Overall, both devices are well-designed and simple, with clear interfaces. 

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Air Doctor 5500 vs. Blueair Classic 605 Filters 

The AD5500 and Classic 605 can filter the air and eliminate dust and other particles that float through it. However, Classic 605’s Hepasilent Filtration technology makes for a superior filtering method. Meanwhile, AD5500 features UltraHEPA technology, significantly reducing airborne germs and viruses.

Particle Performance 

When tested against a variety of germs and viruses, Air Doctor 5500 is 99.99% effective. Pollen, dust, mold, germs, and viruses are some of the airborne contaminants it filters out.

On the other hand, Classic 605 has True HEPA performance with Hepasilent Filtration. This makes it ideal for those who need help with breathing issues like asthma and COPD.

Classic 605 also features a Particle filter that helps remove allergens and germs. These include pollen, dust, pet dander, molds, and smoke.

Air Doctor 5500 can trap particles as small as 0.003 microns, while BlueAir 605 – 0.1 microns.

Filter Stages and Performance

AD5500’s double three-stage filtering system significantly improves indoor air quality. At the same time, Classic 605 features a Dual Protection Filter that makes breathing easy. 

AD5500 3 Stage Filters

AD5500 3 Stage Filters:

  1. 2x Pre-filter
  2. 2x Activated Carbon filter
  3. 2x HEPA filter 

With AD5500, the pre-filter collects bigger airborne particles, such as hair and dander. After that, the activated carbon layer removes the VOC and odors. Finally, the HEPA filter serves as the first line of protection. 

Blueair Classic 605 3 Stage Filters

Blueair Classic 605 3 Stage Filters:

  1. Particle Filter/SmokeStop Filters
  2. DualProtection filter

Classic 605’s particle filter features polypropylene and polyethylene fibers. It has been thermally bonded for durability. This air filter uses no synthetic materials and is antimicrobial by design. 

AirDoctor 5500 vs. Blueair Classic 605 Best Features 

The AD5500 and the Blueair Classic 605 are top picks for high-quality functions. LED settings, a night mode, and a child lock are all standard on both models. But AD5500 has six fan speeds to choose from. Meanwhile, the Blueair Classic 605 can be wirelessly operated. Thus making it a more innovative device.

As you can see, the base of the Air Doctor 5500 is generally equipped with wheels for portability. It may be lacking in features such as app connectivity and remote control. However, it makes up in terms of speed and efficiency.

If you have a Blueair Classic 605, use the Blueair app to manage your air purifier’s settings. Additionally, it is specifically designed for usage at home and at night. Thus making the night mode settings extremely important for consumers. 

Key Features and Characteristics

Air Doctor 5500

  • Auto-Mode
  • Replace the Filter Indicator Light
  • Child Lock 
  • 6 Fan Speed Control
  • 24-Hour Timer Display

Blueair Classic 605

  • Wi-Fi Connectivity For Remote Control
  • Filter Replacement Indicator
  • Speed Control Options
  • Integrated Air Sensors
  • Voice Control

Which Consumes Less Energy, Air Doctor 5500 vs. Blueair Classic 605? 

Which Consumes Less Energy, AirDoctor 5500 vs. Blueair Classic 605? 

Blueair Classic 605 and Air Doctor 5500 require the same amount of energy – 100W at 120V.

Let’s use the US national average of $0.1319/MWh.

Blueair Classic 605

• Highest Speed Setting: 100W 

• Electricity Consumption: $0.31 Per 24 Hours/ $113 per year

• Lowest Speed Setting: 15W

• Electricity Consumption: $0.05 Per 24 Hours/ $18.25 per year

Air Doctor 5500

• Highest Speed Setting: 100W

• Electricity Consumption: $0.31 per 24 hours/ $113 per year

• Lowest Speed Setting: 10W

• Electricity Consumption: $0.03 per 24 Hours/ $10.95 per year

Don’t forget

Both air purifiers are efficient and have auto mode. As a result, the final cost will be significantly lower than we estimated.

Which Is Less Noisy, Air Doctor 5500 vs. Blueair Classic 605? 

Which Is Less Noisy, AirDoctor 5500 vs. Blueair Classic 605? 

At its quietest setting, the Air Doctor 5500 is an excellent choice, generating only 30 dB of noise. At the same time, even at its lowest, Classic 605 produces 33 dB of noise.

Classic 605 is louder than most mid-range air purifiers, even in its quiet setting. And with the highest speed, it can produce a 62 dB noise level.

However, the maximum volume for AirDoctor 5500 is 50 dB. It features extensive WhisperJet silent jet equipment. Because of this, 30% less ambient noise may be typically detected.

Air Doctor 5500 vs. Blue Classic 605 Air Room Coverage And CADR Rating

Blueair Classic 605’s coverage area is as spacious as 775 square feet 5x per hour. Classic 605 has an outstanding CADR of 500 cfm for smoke.

Meanwhile, AD5500 can treat an area of up to 868 square meters 5x per hour. The CADR for smoke is 560 CFM.

Air Doctor 5500 vs. Blueair Classic 605 Upkeep 

Neither of these air purifiers requires a lot of maintenance on your behalf. You can do a pre-filter cleaning whenever you choose.

If you’re looking for a filter replacement frequency of less than twice a year, the AD5500 model is your best bet.

Remember that the UltraHEPA filter must only be regularly changed once a year. Meanwhile, the VOC and carbon filters must be frequently replaced twice a year. 

Also, Blueair suggests replacing the filters every 6 months for optimal performance. You may keep the air purifier in good working order by frequently vacuuming its exterior. Then, pay specific attention to the air intakes, outputs, and sensor inlet.

Air Doctor 5500 vs. Blue Classic 605 Price

AirDoctor 5500 vs. Blue Classic 605 Price

AirDoctor 5500 air purifier price on the official website is $999 ($699 to our blog readers), with an option to purchase now and pay later as low as $61/month, while the BlueAir Classic 605 price is around $829 on official website

The BlueAir Classic 605 particle replacement filer costs $99.99, and the DualProtection Filter costs $149.99.

AirDoctor 5500 replacement filter set price is $318. It includes 2 UltraHEPA filters and 4 Carbon Gas Trap/VOC filters.

Which One Is Better, the Air Doctor 5500 or the Blueair Classic 605? 

Blueair Classic 605 air purifier is innovative in design and specifications. It is made of steel, while the AD5500 body is made of plastic. BlueAir offers many features with the app, like child lock, night mode, LED brightness, and more. 

Yet, Airdoctor 5500 provides high-quality air performance by purifying larger spaces and tinier particles; it is also better for odors thanks to 2 large carbon filters. While it could use some modern touches like apps and wifi, it doesn’t have any.

However, you can use auto mode and live without worries. AD5500 is a good choice if you’re looking for a quiet air purifier to sleep on at night. 

Ultimately, both have the potential to enhance the indoor air quality of expansive spaces. Both have expensive replacement filters, but you must replace BlueAir 605 more often because of the lack of pre-filter. 

So overall, we recommend Air Doctor 5500 over BlueAir Classic 605, but both are high-quality large space air cleaners.

If you still can’t decide which is better, check the new AirDoctor AD5500i model, and all your doubts will disappear. It has a mobile app, which is the best out there.

AirDoctor 5500i - Airdoctor with Wifi connected app

You can not even control the device, see real-time data, or filter depreciation data, but you can add any friend or family member to the app and let them see your data or even get full control over your air cleaner.

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