Winix c545 vs c555, Honest Consumer Comparison Report in 2021

We compare the Winix c545 versus c555, which is very hard for us because these two air cleaners clean the indoor air amazingly. First, the most crucial thing Winix c545 filtration system is better than other air purifier brands. 

But in Winix c555, you have the highest quality of True HEPA Filter with Anti-Microbial Coating. This is the advanced technology of HEPA filters.

If you want to understand, What is the difference between Winix c535 and c555? So stay with and read the full post about the comparison between Winix c545 vs c555.

Here we compare interiors, Outputs, Features, Coverage, Control panel & filtration system will help us understand which one is better or what you will get when choosing one of them.

Comparison Table of Winix C545 vs C555


Winix C545

Winix C555

Product Images

Winix c545 final 1
Winix c555


23.3” x 15.4” x 11”

15.1” x 8.7” x 23.5”


15.97 Pounds

15.97 Pounds


Floor Unit

Floor Unit

Power Consumption

65 Watts

65 Watts

Filtration System:

4 Stage

4 Stage

Digital Control Panel

PlasmaWave Indicator

Sleep Mode

Change Filter Indicator

Alexa Control

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Smartphone App 

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Wifi Connectivity

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Average Rating:


Difference of Filtration System Between Winix c545 versus c555

If we look at the filters of these two air purifiers, Winix c545 has a 4 stage filtration system, and the other Winix c555 comes with 5 stage filtration system.

Filters of Winix c545 & Winix c555

Pre-Filter: Winix c545 and Winix c555 come with a washable pre-filter that captures the airbornes, pet hair, and larger particles floating in the air.

Activated Carbon Filter: The Activated Carbon filter reduces VOCs, harmful smells, and home odors. Winix c545 & Winix c555 have an Activated Carbon filter, but in Winix c555, you get a washable Carbon filter that is the positive fact on Winix c555 Carbon filter.

HEPA Filter: A True HEPA filter cleans the 0.3-micron size particles, dust pollen, dust mites, and allergens from the indoor air. But Winix is equipped with an advanced True HEPA Filter that is Coat with Anti-Microbial. The Anti-Microbial capture the tiny microorganism from the indoor air and increase the True HEPA filter’s air cleaning efficiency.

Plasmawave Technology:  Winix c545 and Winix c555 come with Plasmawave Technology that destroys the fungi. You have the option to turn on or off the Plasma waves.

Main Features of Winix c545 vs c555

Winix c545 Features

Winix c545 panel

  • Plasmawave Technology
  • Washable Carbon Filter
  • 5 stage Air Purification
  • Inbuilt features like a timer button for scheduling, Auto Mode, Sleep mode
  • Remote Controller

Winix C545 Pros & Cons

  • High performance
  • Smart features on a budget
  • High fan power
  • Energy Star rating
  • High filter replacement cost

Winix c555 Features


  • Plasmawave Technology
  • Washable Carbon Filter
  • 5 stage Air Purification
  • Inbuilt features like a timer button for scheduling, Auto Mode, Sleep mode
  • Wifi Enabled
  • Alexa Voice Control Compatible
  • Smartphone App

Pros & Cons

  • Solid built
  • Much better performance with 5-stage air filtration system
  • Low cost
  • High filter replacement cost

Auto Mode:

Both Winix c545 & Winix c555 come with a built-in auto mode button. Auto mode adjusts fan speed according to the indoor air quality when you turn on the auto mode. It means any time when your indoor air quality becomes poor. Then air purifier increases the fan speed for air cleaning.

Sleep Mode:

Both Winix c545 and Winix c555 have a sleep mode feature that saves electricity and improves sleep at night. The Sleep mode turns on when the room is dark and cleans the air quietly. It turns off the air quality indicator LED lights to reduce light emission. During sleep mode, the fan speed set the lowest setting.

Smart Sensors:

Winix c545 & c555 both have air quality indicator sensors that measure indoor air quality and display on the control panel by different LED light colors.

If the LED color is blue, it means the indoor air quality is Good, or if it’s orange, it means the indoor air is fair, and the red color indicates the indoor air quality is harmful to breathing.

Timer Button:

Winix c555 has a timer button, but in Winix c545, you don’t have an option for the timer button. In Winix c555, you have some specific timing options like 1 hour, 4 hours, and 8 hours.

Remote Control:

Winix c555 comes with a controller remote to operate c555 with this small 20-foot radius. You control Winix c555 with this remote controller like power on/off, fan speed, auto mode. On the other hand, Winix c545 does not have any remote controller.

Wifi Enabled:

Winix c545 has a smartphone app capability and Wifi-enabled. It is also compatible with Alexa for voice control. While on the other hand, Winix c555 has no wifi option & nor smart app capability, so that’s why you control c555 remotely.

Basically, with a Winix smart mobile app, you can easily see the indoor, outdoor air quality and ultimately control the air purifier from anywhere.

Winix C545 & c555 Room Coverage

Winix air purifiers are designed specifically for use in medium to large rooms. Winix c545 and C555 can cover the 360 square feet rooms and also Winix c545 is an AHAMA verified air purifier.

If we look at the CADR, then the CADR of Winix c545 is 240 Dust/ 233 Smoke/ 230 Pollen, and on the other hand, Winix c555 CADR is 243 Dust/ 232 Smoke/ 246 Pollen (CFM). It is a similar CADR rating between Winix c555 vs c555. 

Sound Comparison of Winix C545 or Winix c555

Winix manufactures an advanced quality air cleaner that generates a shallow level of sound, so that’s why it is one of the best air purifier brands.

Winix c545 & Winix c555 release the 28 Dbl sound on the lowest fan speed mode. And even at high speed, the Winix c555 & c545 only releases white noise, which can improve your working and sleep efficiency.

Design of Winix C545 vs Winix c555

Winix c545 body is built with solid plastic, and its design is classic and different from the Winix air purifiers. It does not look like a cheap air purifier.

Winix c545 has four legs, and on the other hand, in Winix c555, you have a flat surface on the bottom side. And the design of the Winix c555 is similar to Winix c535.

If we look out the dimensions, then the Winix c545 dimensions 23.3 x 15.4 x 11 inches and Winix c555 air purifier height 23.6 inches, it is suitable to put it on the ground or the table.

The Winix c535 weight is 15.97 pounds, So you can easily use the air purifier in your home anywhere. And the Winix c555 is a bit heavier because its weight is 38 pounds, and it’s hard to change the place of your Winix c555.


Will Winix c545 help to eliminate powdery mildew?

For nearly a year, I am using this air purifier in my home’s damp basement. This unit did not remove the mildew, but then the mold was not returned when I eliminated it manually. 

Does it include UV-c or far-UV-c technology to sanitize the air?

Winix c545 and Winix c555 using the Plasmawave technology that kills germs, and both Winix c545 & Winix c555 do not have any UV light.

Our Recommendation:

I think you understand the features and filtration system difference between Winix c545 and c555 entirely. If you are still confused about which one is better, then choose one. We strongly recommend you.

Winix c545 and Winix c555 are the two best air purifiers, but in Winix c555, you have the high-quality True HEPA Filter & Washable Carbon filter that is good for air cleaning. 

If we look at the Winix c545, then Winix is one of the best smart air purifiers. You can control this air purifier with your Smartphone And Alexa voice command.

If you want a highly efficient air cleaner, so need to buy Winix c555 that will improve your home’s air quality. Or if you want a smart air purifier, then Winix c545 is a fantastic air purifier at this low price.


Here We share the Winix c545 vs c555 comparison report. We discuss the features of Winix c545 and Winix c555 deeply with pros and cons. Now you can choose whatever seems suitable to you. We hope that your buying experience becomes smooth and comfortable after reading the comparison in Winix c545 and Winix c555.

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