Levoit Core 400S vs PlasmaPro 400S

In this Levoit Core 400S vs PlasmaPro 400S review, we will compare two of the mid-level devices of the Core and PlasmaPro series from the fast-growing American brand for small home appliances.

Both were designed with medium-sized rooms in mind and come with all the features you would want in a modern air purifier, including the ability to integrate them with your smart home. Both look identical on the outside. So how do they differ?

This side-by-side comparison will help you find out. (TL;DR: It’s the PlasmaPro technology.)

Levoit Core 400S

Levoit Air Purifier Core 400S, White
Save $30 using coupon code
SAS400S

Levoit PlasmaPro 400S

Levoit Air Purifier PlasmaPro 400S, White

Coverage Area

Up to 37 m² (403 ft²)

Up to 37 m² (403 ft²)

CADR (Particles)

442 m³/h (260 CFM)

442 m³/h (260 CFM)

CADR (Formaldehyde)

?

?

Working Noise

24 – 52 dB(A)

24 – 52 dB(A)

PM 2.5 Sensor

Yes

Yes

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Comparison: Levoit Core 400S vs PlasmaPro 400S – What are the Differences?

Coverage Area & Efficiency

Levoit recommends the Core 400S and PlasmaPro 400S for small and middle-sized rooms with a surface area of up to 37 m² (403 ft²). The suggestion is based on an assumed five air changes per hour (ACH) in a room with a ceiling height of 2.4 m (8 ft).

Therefore, both models could be used in even bigger rooms, with the length of the purification process increasing accordingly. For example, if you live somewhere with moderate air pollution and are content with two ACH, the coverage area would be up to 93 m² (1008 ft²).

Winner: Draw

Up to 37 m² (403 ft²)

Up to 37 m² (403 ft²)

Clean Air Delivery Rate

In the first step of Levoit’s 3-stage filtration process, a pre-filter takes care of large pollutants including dust, hair, and pet fur. Next, an H13 True HEPA filter captures at least 99.97% of particles and allergens as small as 0.3 µm, for example, pollen and pet dander.

Lastly, smoke, fumes, VOCs, and household odors such as cooking smells and pet odors are neutralized by a layer of activated carbon. In the PlasmaPro model, there is an additional step where positive and negative ions bind with pollutants to break down their molecular structure.

Both the Core 400S and PlasmaPro 400S purify the air at a rate of 442 m³/h (260 CFM).

Winner: Draw

442 m³/h (260 CFM)

442 m³/h (260 CFM)

Video Review including a Smoke Box Test of the Levoit Air Purifier Core 400S

Working Noise

In sleep mode, the Core 400S and PlasmaPro 400S operate at a noise level as low as 24 decibels (dB), making them suitable for bedrooms or similarly quiet places. When running at full speed, on the other hand, both max out at slightly above 50 dB.

Both can be set to auto mode, in which they will automatically adjust their fan speed based on air quality. As soon as pollution levels start to decrease again after a sudden spike, their fan speed and noise level will decrease accordingly.

Winner: Draw

24 – 52 dB(A)

24 – 52 dB(A)

Sensors & Display

The Core 400S and PlasmaPro 400S are equipped with Levoit’s AirSight Plus technology, which uses a high-sensitivity laser dust sensor to scan the surrounding air for airborne particles. This real-time data can then be used to control the fan speed in auto mode.

You can get an idea about the current air quality at a quick glance by looking at the indicator rings located on top of both devices, with blue signifying very good and red being unhealthy. More detailed information, such as the level of PM 2.5, is also available via the VeSync app.

Winner: Draw

Yes / Yes

Yes / Yes

Introducing the Levoit Air Purifier PlasmaPro 400S

Connectivity & Compatibility

You can use a Wi-Fi connection, your smartphone, and the VeSync app to monitor and control both the Core 400S and PlasmaPro 400S remotely. This allows you to turn the purifier on and off, create a schedule, view the remaining filter life, and more.

In addition, it is also possible to interact with them using only your voice. The Core 400S and PlasmaPro 400S are compatible with Amazon Alexa and Google Assistant, and can thus be seemingly integrated with your smart home.

Winner: Draw

Yes / Amazon Alexa, Google Home

Yes / Amazon Alexa, Google Home

Weight & Dimensions

In the final round of this Levoit Core 400S vs PlasmaPro 400S comparison, we will have a quick look at the weight and dimensions of the two devices. Both weigh in at 5 kg (11 lb). They also share their base diameter of 274 mm (10.8 in) and height of 520 mm (20.5 in).

Winner: Draw

5.0 kg, 274 x 274 x 520 mm

5.0 kg, 274 x 274 x 520 mm

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Conclusion: Levoit Core 400S vs PlasmaPro 400S – Which is the Better Air Purifier?

The Levoit Air Purifier PlasmaPro 400S is the Core 400S with added PlasmaPro technology, which helps it break down particles, odorous gases, aerosols, and VOCs as well as airborne viruses and bacteria. That said, some of you might be worried about the ozone emitted.

At just 3.0 parts per billion (ppb), the PlasmaPro 400S comfortably meets the 50 ppb limit set by the California Air Resources Board. But if you are still sceptical, by all means opt for the otherwise identical Levoit Air Purifier Core 400S instead and save some money doing so.

Levoit Core 400S

Levoit Air Purifier Core 400S, White
Save $30 using coupon code
SAS400S

Levoit PlasmaPro 400S

Levoit Air Purifier PlasmaPro 400S, White

Find out how the respective successors of the Core 400S and PlasmaPro 400S perform against each other in our comparison Levoit Core 600S vs PlasmaPro 600S.

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