Blueair 411 or Levoit LV-PUR131

In this article, we’re going to compare two well-known air purifiers: the Blueair 411 and the Levoit LV-PUR131. These are made by Levoit and Blueair, two of the most popular air purifier brands in the world.

Levoit LV-PUR131

This is a medium-sized air purifier. It’s packed with advanced features and has larger filters. It’s designed for rooms up to 322 square feet, making it suitable for moderately sized spaces.

Blueair 411



  • Color: White
  • Product Dimensions:  8″D x 8″W x 3.94″H
  • Item Weight: ‎3.35 pounds
  • Control Method: Touch
  • Wattage: 10

In contrast, the Blueair 411 is smaller and simpler. It doesn’t have as many advanced features but is perfect for minimalists. It’s ideal for rooms up to 161 square feet, making it a good choice for smaller spaces.

In summary, if you’re looking for a more feature-rich air purifier for a medium-sized room, the Levoit LV-PUR131 might be the better choice. However, if you need something for a smaller space and prefer a more straightforward device, the Blueair 411 could be the way to go. This comparison will help you decide which air purifier best fits your needs.


When it comes to features, the Levoit LV-PUR131 offers more advanced options compared to the Blueair 411. Let’s explore the key features of these two air purifiers.

Levoit LV-PUR131 Advanced Features:

Air Quality Sensor: This sensor detects the level of pollutants in the air and provides real-time updates on air quality.

Auto Mode: The purifier automatically adjusts its fan speed based on the air quality detected by the sensor, optimizing its performance without manual intervention.

Blueair 411 Minimalistic Approach:

The Blueair 411 is designed with simplicity in mind. It doesn’t have many of the advanced features found in the Levoit model, focusing instead on basic, efficient air purification.

Common Feature

Filter Reset Indicator

Both the Levoit LV-PUR131 and the Blueair 411 are equipped with a filter reset indicator. This feature is particularly useful as it alerts you when it’s time to replace the filter, ensuring the purifier continues to operate effectively.

In summary, if you prefer an air purifier with more technological advancements and automated features, the Levoit LV-PUR131 is a great choice. On the other hand, if you’re looking for a straightforward, easy-to-use purifier without the extra bells and whistles, the Blueair 411 would be a suitable option. Both models, however, ensure you’re reminded when it’s time to change the filter, which is a crucial aspect of maintaining an air purifier’s efficiency.

Display Off

The Levoit LV-PUR131 comes with a convenient feature called “Display Off.” This option is exclusive to this model and is not available on the Blueair 411. Here’s what makes it useful:

  • One-Touch Control: With just a single touch, you can turn off all the display indicators on the Levoit LV-PUR131. This means no glowing lights or digital displays will be visible.
  • Ideal for Bedrooms: If you’re using the air purifier in a bedroom or any room where lights might be distracting or disturbing, especially at night, this feature is very beneficial. It ensures that your sleep or relaxation time isn’t disrupted by the light from the purifier’s display.

In summary, the Display Off feature adds an extra layer of convenience to the Levoit LV-PUR131, particularly for users who prefer a dark room or are sensitive to light during sleep. This thoughtful addition enhances the user experience, especially in living spaces where light minimization is preferred.

Air Quality Sensor and Auto Mode

The Levoit LV-PUR131 stands out with its air quality sensor and auto mode, features not found in the Blueair 411. Let’s explore how these work:

Air Quality Sensor

Location and Function
This sensor is positioned on the side of the Levoit LV-PUR131. It’s designed to detect dust particles in the air, doing so in real time.

LED Indicator
The current air quality is displayed through an LED indicator, which is centrally located on the control panel. This provides a visual representation of the air quality in your room.

Auto Mode:

Automatic Adjustment
The auto mode is directly linked to the air quality sensor. Based on the sensor’s readings, the purifier automatically adjusts the fan speed to suit the current air quality.

This feature ensures that the purifier operates efficiently, increasing its speed when the air is more polluted and reducing it when the air is cleaner.


The air quality indicator on the Levoit LV-PUR131 is active only when the purifier is in auto mode. This means you’ll get real-time feedback and automatic adjustments only when this mode is engaged.

In summary, these features make the Levoit LV-PUR131 a smart choice for those who prefer a more automated approach to air purification. The air quality sensor and auto mode work together to optimize the purifier’s performance, adjusting to the needs of your environment without requiring manual intervention. This makes it particularly user-friendly and efficient in maintaining good air quality.

Airflow Differences

The design of these two air purifiers leads to distinct airflow patterns:

  • Blueair 411: This purifier has air intakes covering two-thirds of its body, located at the bottom. This design allows it to pull in air from a larger area at the base.
  • Levoit LV-PUR131: In contrast, this rectangular-shaped purifier draws air in through the front, with its intake openings positioned there.

Despite these differences, both models release the purified air through vents located on the top of the devices.

Warranty Information:

Both the Levoit LV-PUR131 and the Blueair 411 come with a 2-year warranty, offering similar protection and assurance for your purchase. It’s a good idea to register your air purifier on the manufacturer’s website as soon as you buy it. This can help with warranty claims and provide you with any important updates or information about your product.

Filtration Technologies in Levoit LV-PUR131 and Blueair 411

Both the Levoit LV-PUR131 and Blueair 411 use advanced filtration systems, but they differ in their approaches and technologies.

Levoit LV-PUR131 Filtration:

  • Three-Stage Filtration: This includes a pre-filter, a True HEPA filter, and a pellet-based carbon filter.
  • Efficiency: The True HEPA filter is a key feature, highly effective in capturing tiny particles. The pellet-based carbon filter is also notable for its ability to efficiently eliminate odors.

Blueair 411 Filtration:

  • Three-Stage Filtration Plus HEPASilent Technology: The Blueair 411 has a washable pre-filter, a particle filter, and a fibrous filter coated with carbon. Additionally, it includes HEPASilent technology, which is an extra filtration stage.
  • Ionizer and Ozone: The Blueair 411 has a built-in ionizer as part of its HEPASilent technology. While this contributes to its filtration efficiency, it also produces a small amount of ozone within safe limits.

Certifications and Safety:

  • Both air purifiers are CARB-certified, ensuring they meet strict air quality standards.
  • Levoit LV-PUR131: This model does not produce ozone, making it completely safe for use in various environments.
  • Blueair 411: Although it produces ozone, it’s within allowed amounts and is considered safe.

In summary, the Levoit LV-PUR131 stands out with its True HEPA filter and pellet-based carbon filter, offering superior performance in particle capture and odor elimination. The Blueair 411, with its HEPASilent technology and ionizer, offers an additional layer of filtration but does produce a minimal amount of ozone. Both purifiers are safe and effective, but they cater to different needs and preferences in air purification technology.

How to Replace Filters?

Replacing filters is an essential part of maintaining your air purifier’s efficiency. Both the Levoit LV-PUR131 and Blueair 411 have filters that need to be changed periodically, though the pre-filter in the Blueair 411 is washable and doesn’t require frequent replacement.

Filter Lifespan:

  • On average, the filters in both the Levoit LV-PUR131 and Blueair 411 last about 6 to 8 months, depending on usage and air quality.

Filter Replacement Notification:

  • Both air purifiers are equipped with a filter reset indicator. This feature is incredibly helpful as it alerts you when it’s time to change the filter, eliminating the need for you to manually keep track of the filter’s condition.

Replacement Process:

  • The process of changing the filters in both devices is designed to be user-friendly and straightforward.
  • Detailed instructions for replacing the filters are available. These instructions will guide you step-by-step through the process, ensuring that you can easily and correctly replace the filters in your air purifier.

For specific instructions tailored to each model, you can refer to the user manual or visit the manufacturer’s website. Following these instructions will help ensure that your air purifier continues to operate effectively, providing clean and healthy air in your environment.

Noise Test Comparison: Blueair 411 vs. Levoit LV-PUR131

The noise tests for the Blueair 411 and Levoit LV-PUR131 reveal interesting insights, particularly when comparing the noise levels at different speeds.

Lowest Speed Noise Levels:

  • Blueair 411: At its first fan speed, it produces a sound level of 40.6 decibels (dBA), which is quite quiet.
  • Levoit LV-PUR131: In sleep mode, it generates 41.6 dBA, slightly louder than the Blueair at its lowest setting. Despite not having a designated sleep mode, the Blueair is quieter on its lowest speed.

Maximum Speed Noise Levels:

  • Levoit LV-PUR131: At its maximum speed, it produces about 59.3 dBA, which is significantly quieter.
  • Blueair 411: At its highest setting, it reaches around 67.5 dBA and has a more noticeable motor sound, making it louder and less preferable for noise-sensitive environments.

Noise Range Summary:

  • Blueair 411: Ranges from 40.6 to 67.5 dBA
  • Levoit LV-PUR131: Ranges from 41.6 to 59.3 dBA

Overall, while the Levoit LV-PUR131 is slightly louder at its lowest speed, it is generally a quieter air purifier compared to the Blueair 411, especially at higher speeds.

Performance Tests Overview:

The performance tests for these two air purifiers take into account their different room coverage capabilities.

  • Room Size for Testing: Both purifiers were tested in a 320 sq. ft. room, which is within the coverage range of both models. Additionally, a test was conducted in a smaller 194 sq. ft. room to specifically evaluate the Blueair 411.
  • Blueair 411 Performance: In the 194 sq. ft. room, the Blueair 411 improved air quality by about 95% in 60 minutes at maximum speed, showcasing its effectiveness in smaller spaces.

These tests demonstrate that while the Levoit LV-PUR131 is designed for larger rooms, both purifiers can effectively improve air quality in their respective recommended room sizes. The Blueair 411 shows impressive performance in smaller rooms, making it a strong contender for compact spaces.

320 sq. ft. Room Test Results for Blueair 411 and Levoit LV-PUR131

The performance of both the Blueair 411 and Levoit LV-PUR131 was tested in a 320 sq. ft. room. This size is ideal for the Levoit and slightly exceeds the recommended coverage for the Blueair.

Test Results:

  • Blueair 411: In a 60-minute test at maximum speed, the Blueair 411 improved air quality by an impressive 90%. This result is particularly noteworthy considering the room size is larger than what the Blueair 411 is typically recommended for.
  • Levoit LV-PUR131: The Levoit improved air quality by about 92% under the same conditions. This shows that it performs very well in its ideal room size.


  • Despite the Levoit LV-PUR131 having a slight edge in performance, the Blueair 411’s results were unexpectedly good, especially given the room size. The Blueair 411 demonstrated that it can perform effectively even in spaces that are a bit larger than its recommended coverage area.

Both air purifiers show strong performance in improving air quality. The Levoit LV-PUR131 is slightly more effective in a room of its ideal size, but the Blueair 411 is not far behind and offers robust performance, even in slightly larger spaces than it’s designed for. This makes both options viable for users, depending on their specific room size and air purification needs.

Operating Costs Comparison

When evaluating the operating costs of the Blueair 411 and Levoit LV-PUR131, two main factors come into play: power consumption and the cost of replacement filters.

Power Consumption:

  • Blueair 411: This model is highly energy-efficient, with a motor that uses only 10W. Its wattage range is between 0.3W and 7.6W.
  • Levoit LV-PUR131: In comparison, Levoit has a higher power consumption with a 40W motor. Its wattage range is between 0.7W and 34.5W.
  • Electricity Bill Impact: If you run either of these purifiers 24/7 at maximum speed for a month, the Blueair 411 would add less than $1 to your electricity bill, while the Levoit LV-PUR131 would increase it by about $3.

Cost of Replacement Filters:

  • Blueair 411: The replacement filters for this model are more budget-friendly.
  • Levoit LV-PUR131: The filters for the Levoit tend to be more expensive.

Overall Maintenance Costs: Considering both electricity usage and the cost of replacement filters, the Blueair 411 emerges as a more cost-effective option for long-term maintenance compared to the Levoit LV-PUR131. The lower energy consumption and more affordable filter replacements make the Blueair 411 several times cheaper to maintain over time.


After a thorough comparison of both air purifiers, considering their specifications, performance, noise levels, and other factors, a winner has been determined.

Recommended Choice: Levoit LV-PUR131

Reasons for Preference:

  • Larger Room Coverage: Suitable for bigger spaces.
  • True HEPA Filter: Offers superior air filtration.
  • Air Quality Sensor: Provides real-time air quality updates.
  • Auto Mode: Automatically adjusts settings based on air quality.
  • Quieter Operation: Slightly less noise, especially at higher speeds.

About Blueair 411:

  • The Blueair 411 is also an excellent air purifier, particularly appealing to those who prefer a minimalist design.
  • It’s one of the most energy-efficient models available, making it a great choice for eco-conscious users.
  • Despite its smaller size, it delivers impressive performance.

Both the Levoit LV-PUR131 and Blueair 411 have their unique strengths and are suitable for different needs and preferences. The Levoit LV-PUR131 edges out as the better overall choice in this comparison due to its advanced features and versatility. However, the Blueair 411 remains a strong contender, especially for those seeking a compact, energy-efficient purifier.

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The author is an Air purifier expert with overall knowledge of air and ionizers.