The Key Differences Between Xiaomi Air Purifier 2H and 3H Models

What is Xiaomi Air Purifier?

Xiaomi Air Purifier is an innovative device designed to improve the indoor air quality. As the name suggests, it is manufactured by Xiaomi, a Chinese electronics company known for producing high-quality and affordable products. The purifier utilizes advanced technology to effectively remove dust, allergens, viruses, bacteria, and other harmful particles from the air.

It is equipped with a highly efficient filter that goes through multiple layers to capture and eliminate these pollutants. The device also has a smart monitoring system that continuously measures the air quality and displays real-time data on its LED screen. Users can easily control the purifier and adjust the settings through a mobile app, making it convenient and user-friendly.

Not only does the Xiaomi Air Purifier improve the air quality, but it also reduces risk factors for respiratory diseases and allergies. With its sleek design and compact size, it can be placed in various environments such as bedrooms, living rooms, or offices. Overall, the Xiaomi Air Purifier is a reliable and affordable option for anyone looking to create a clean and healthy indoor environment. 

Overview of Xiaomi Air Purifier technology

Xiaomi Air Purifier is a popular household appliance that helps improve indoor air quality. It utilizes advanced technology to filter out harmful particulate matter and create a clean and healthy living environment. With its sleek and modern design, Xiaomi Air Purifier is not only functional but also aesthetically pleasing, making it a great addition to any home or office.

How does Xiaomi Air Purifier improve air quality?

Xiaomi Air Purifier uses a multi-layered filtration system to effectively remove pollutants from the air. It first captures larger particles such as dust and pet dander with its pre-filter. Then, the HEPA filter traps smaller particles like pollen, mold spores, and bacteria. Lastly, the activated carbon filter adsorbs odors and harmful gases to ensure clean and fresh air. This filtration process ensures that you and your family breathe in only the cleanest air possible.

What are the main features of Xiaomi Air Purifier?

The Xiaomi Air Purifier is packed with a range of impressive features that set it apart from other air purifiers on the market. It is equipped with a smart sensor that continuously monitors the air quality in real-time and adjusts the fan speed accordingly. The OLED display provides easy-to-read information on the air quality, temperature, and humidity levels. Additionally, the Xiaomi Air Purifier can be controlled through the Mi Home app, offering convenience and ease of use.

What are the Key Differences Between Xiaomi Air Purifier 2H and 3H Models?

General Comparison Table

FeaturesXiaomi Air Purifier 2HXiaomi Air Purifier 3H
Filtration SystemTrue HEPA filter with activated carbonTrue HEPA filter with activated carbon
CADR (Clean Air Delivery Rate)260 m³/h380 m³/h
Coverage AreaUp to 400 ft² (37 m²)Up to 484 ft² (45 m²)
Filtration EfficiencyRemoves 99.97% of PM2.5 particlesRemoves 99.97% of PM2.5 particles
Smart FeaturesWi-Fi connectivity, smartphone app controlWi-Fi connectivity, smartphone app control
DisplayLED displayOLED display
Noise Level31-55 dB32-64 dB
ModesAuto, manual, sleepAuto, manual, sleep, favorite
Air Quality IndicatorYesYes
Dimensions240 x 240 x 520 mm240 x 240 x 520 mm
Weight4.5 kg4.8 kg
Power Consumption31 W38 W

Design and Appearance

The Xiaomi Air Purifier 2H and 3H models share a similar design, featuring a sleek and minimalist appearance. Both models have a compact size, making them suitable for various room sizes. The main difference in terms of design is the color options available. The Xiaomi Air Purifier 2H comes in white, while the 3H model is available in white and grey. So, if you prefer a specific color to match your interior, you can choose accordingly.

Performance and Air Purification Capability

When it comes to performance, the Xiaomi Air Purifier 3H has a slight edge over the 2H model. It offers a higher Clean Air Delivery Rate (CADR) of up to 380m³/h compared to the 2H model’s CADR of up to 310m³/h. This means that the 3H model is capable of purifying the air in a larger room more efficiently. Moreover, the 3H model utilizes a laser sensor for more accurate detection of particulate matter, ensuring better air quality.

Smart Features and Connectivity

Both the Xiaomi Air Purifier 2H and 3H models come with smart features and connectivity options. They can be controlled remotely through the Mi Home app, allowing you to monitor and control the air purifier from anywhere using your smartphone. Additionally, both models are compatible with voice control assistants such as Alexa and Google Assistant, giving you hands-free control over the purifier. However, the 3H model also supports Apple HomeKit, providing an added level of compatibility for Apple users.

Which Xiaomi Air Purifier Model is Right for You?

Factors to consider when choosing between Xiaomi Air Purifier 2H and 3H

When deciding between the Xiaomi Air Purifier 2H and 3H models, there are a few factors to consider. If you have a larger room that requires more efficient air purification, the 3H model with its higher CADR may be the better choice. However, if performance is not a significant concern for you and you prefer a specific color option, the 2H model would be a suitable option as well.

Comparison of filter lifespan and replacement costs

Another aspect to consider is the filter lifespan and replacement costs. Both the Xiaomi Air Purifier 2H and 3H models use a HEPA filter that needs to be replaced periodically to ensure optimum performance. The exact lifespan of the filter may vary depending on the air quality and usage, but generally, it is recommended to replace the filter every 6 to 12 months. When it comes to replacement costs, the filters for both models are reasonably priced and widely available, making it convenient for users to maintain their air purifiers.

Customer reviews and feedback on Xiaomi Air Purifier 2H and 3H models

Considering customer reviews and feedback can provide valuable insights when making a decision. Both the Xiaomi Air Purifier 2H and 3H models have received positive reviews from users, praising their performance, ease of use, and value for money. It is recommended to read through user reviews to get a better understanding of the experiences of other users and determine which model aligns with your specific needs and preferences.

How to Maintain and Clean Xiaomi Air Purifier?

Proper maintenance and care tips for Xiaomi Air Purifier

To ensure the longevity and optimal performance of your Xiaomi Air Purifier, proper maintenance is essential. Regularly dusting the exterior of the purifier and keeping it in a well-ventilated area can prevent dust build-up and ensure unrestricted airflow. Additionally, it is important to follow the manufacturer’s instructions for cleaning and replacing the filters to maintain the effectiveness of the purifier.

How to clean the filter of Xiaomi Air Purifier?

Cleaning the filter of the Xiaomi Air Purifier is a straightforward process. First, make sure to power off and unplug the air purifier. Then, remove the front cover and take out the filter. Gently vacuum or brush the filter to remove accumulated dust and debris. Avoid using water or any liquid cleaning agents on the filter, as it may damage the filter material. Once cleaned, reinsert the filter, secure the front cover, and plug in the air purifier to continue enjoying clean and fresh air.

The cleaning frequency of the Xiaomi Air Purifier depends on factors such as the air quality and usage. It is generally recommended to clean the exterior of the purifier and check the filters once every two weeks. However, it is important to consult the user manual provided by Xiaomi for specific cleaning instructions and recommended maintenance schedules to keep the air purifier functioning optimally.


The Xiaomi Air Purifier series, including the 2H and 3H models, offers an effective solution for improving indoor air quality. Both models boast impressive features and performance, ensuring clean and fresh air in your home or office. The key differences lie in design, performance, and compatibility, making it important to consider your specific needs and preferences when choosing between the models. With proper maintenance and care, your Xiaomi Air Purifier will continue to provide you with clean air for years to come.

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