GermGuardian CDAP4500BCA WiFi Smart 4-in-1 Review

If you are looking to purchase an efficient air purifier that is perfect for allergy suffers, then this model is the right choice for you. It captures 99.97% of these small particles and it uses UV light technology to kill airborne bacteria.

GermGuardian CDAP4500BCA WiFi Smart 4-in-1 Ratings

DESIGN - 95%



If you are looking to purchase an efficient air purifier that is perfect for allergy suffers, then this model is the right choice for you. It captures 99.97% of these small particles and it uses UV light technology to kill airborne bacteria.

User Rating: 3.1 ( 2 votes)

When it comes to protecting your family from the harmful effects of household air pollutants, an air purifier should be your weapon of choice. A high quality air purifier will be able to effectively trap and remove airborne particles that could otherwise trigger a host of negative health effects such as allergies, asthma, and other respiratory problems.

There are several air purifier models available on the market today and one of the most notable ones is the GermGuardian CDAP4500BCA WiFi Smart 4-in-1. The CDAP4500BCA uses cutting-edge technology and is packed with useful features to make your air purifying experience easier and more convenient.

To find out more about this product, read our detailed review below!


  • Able to remove a wide array of air pollutants
  • WiFi, voice control, and Bluetooth powered to allow access anywhere through the app
  • Affordable
  • Built-in smart features like air quality and filter replacement indicators
  • Sleek tower design
  • Equipped with a timer to control hours of operation
  • Energy efficient


  • Small coverage area
  • Low CADR ratings
  • Smart features are cumbersome to use

Technical Specifications

The GermGuardian brand is known for producing effective air purifiers at fairly affordable prices. The CDAP4500BCA is no exception. For such a modest price, you get an air purifier fitted with a charcoal pre-filter, a HEPA filter, and a UV-C light bulb to eliminate bacteria. It operates on 5 fan speeds and can service small rooms up to 153 square feet in size.

The CDAP4500BCA is also AHAM-certified with CADR ratings of 99, 116, and 107 for smoke, pollen, and dust, respectively. While not as high as we’d like, these ratings are more than enough for small room air purifiers like the CDAP4500BCA.

Specifications Sheet

Specs GermGuardian CDAP4500BCA WiFi Smart 4-in-1
Dimensions 15.8” x 11.4” x 24.8”
Weight 25 lbs
Area Coverage 341 square feet
Noise Level Low
Power 63 Watts to 33 Watts
CADR Rating for Smoke 99
CADR Rating for Pollen 116
CADR Rating for Dust 107
Fan Speeds 5
Filter Type True HEPA filter
Odor Reducing Filter Yes
UV light treatment Yes
Control Panel Electronic
Timer Function Yes
Warranty 3 Year


The CDAP4500BCA’s air purification system starts off with a HEPA filter that’s capable of capturing up to 99.97% of airborne pollutants as small as 0.3 microns in size. This means it’s able to tackle dust mites, pet dander, pollen, and other allergens. It is then followed by a charcoal filter to effectively remove unwanted odors. Finally, it finishes with a UV-C light technology that works with Titanium Dioxide to kill airborne bacteria, viruses, germs and mold spores.

Aside from being able to eliminate various air pollutants, the CDAP4500BCA can cycle the air up to 4 times in an hour in the suggested room size of 153 square feet. This makes it an excellent air purifier for people suffering from asthma and allergies. It’s also AHAM-certified which means that it was tested for efficiency against smoke, dust, and pollen. The CDAP4500BCA allows you to choose among 5 fan speed levels depending on your air purification needs.


As previously mentioned, the CDAP4500BCA is jam-packed with smart features that make it more than just your typical plug-and-play air purifier. What makes it so unique is that it’s WiFi and Bluetooth capable. Having these features allow you to access and control the unit on your mobile phone via the Guardian Technologies (GT) app, making more convenient and easy to use.

The SmartAQM (Air Quality Monitor) detects the amount particles in the air and will adjust the fan speed of the air purifier automatically. This ensures that the optimal air quality is maintained. You can also control other features such as the UV light bulb and timer using the app. The app will also notify you when the filter or the UV light bulb needs to be changed. This ensures that the unit remains in tip-top condition at all times.

Aside from the app, the CDAP4500BCA also boasts an electronic display that allows you to control the device if you choose to skip out on the app. One thing to note, however, is that several users have complained of some glitches with the GT app as well as difficulties pairing the device with Alexa.


The Hamilton Beach 04384 is compact in size, making it a great choice if space is at a premium. It’s very versatile as well, allowing you to position it vertically or horizontally depending on your preference. The unit is also very lightweight, weighing in at a little over 5 lbs. Overall, its compact design makes it easy to move around, store, or position in your room.

Warranty and Support

The CDAP4500BCA is backed by a 3-year warranty which covers repairs and replacement of defective parts. This warranty is not valid unless you have your receipt with you so make sure you keep it after purchasing the product. Unusual wear, accidental damage, and unreasonable use of the product is not covered by the warranty.

Final Thoughts

GermGuardian has long been the go-to brand for affordable, high quality air purifiers. One of their most popular products is the CDAP4500BCA. What makes it stand out among the sea of air purifiers on the market is its smart features such as WiFi and Bluetooth compatibility. These features make it all the more convenient to use.

While it may be limited by its small room coverage, it certainly makes up for it with its comprehensive air purification system and AHAM certification. Aside from being a generally robust and durable air purifier, it’s also affordable upfront and long-term. Its Energy Star rating means you save a lot on electricity bills in the long run.

If you’re looking for an affordable, user-friendly device, look no further than the CDAP4500BCA from GermGuardian.

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