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ruminesia – If you’re looking for a compact air purifier for a bedroom, small office, or apartment, it’s important to understand the Specifications of the Xiaomi Air Purifier 4 Compact before making a decision. Knowing the device’s coverage area, filtration system, and noise levels can help you determine whether it fits your daily air quality needs.
Many people want an air purifier that is powerful enough to remove dust, allergens, and smoke but still quiet and energy-efficient. The Xiaomi Air Purifier 4 Compact aims to solve this by combining high-efficiency filtration, smart app control, and a compact design that fits easily into smaller rooms.
To help you evaluate the device quickly, this guide breaks down its key specifications, notable features, and what you get in the box. You’ll also learn how its filtration performance, CADR rating, and smart functions contribute to improving indoor air quality.
Key Highlights
- The device is designed for small to medium rooms, covering spaces between 16–27 m² efficiently.
- A Particle CADR of 230 m³/h enables fast removal of airborne particles such as dust, pollen, and fine pollutants.
- High-efficiency filtration captures up to 99.97% of particles as small as 0.3 microns.
- The purifier supports smart control through the Mi Home app and voice assistants like Google Assistant and Amazon Alexa.
- Ultra-quiet operation reaches as low as 20 dB in Sleep Mode, making it suitable for bedrooms and quiet environments.
- Energy-efficient performance consumes only about 27 W of power during operation.
Specifications of the Xiaomi Air Purifier 4 Compact
Here’s a comprehensive table that consolidates all the information about the Xiaomi Smart Air Purifier 4 Compact into one format:
| Specification/Feature | Details |
|---|---|
| Model Number | AC-M18-SC |
| Dimensions | Φ220 mm x 355 mm |
| Weight | Approximately 2.2 kg |
| Coverage Area | 16 – 27 m² |
| Particle CADR | 230 m³/h |
| Filter Lifetime | 6 – 12 months |
| Noise Levels | Minimum: 20 dB (Sleep Mode) Maximum: ≤ 60 dB(A) |
| Rated Power | 27 W |
| Rated Voltage | DC 24 V |
| Power Adapter Input | 100–240 V~, 50/60 Hz |
| Connectivity | 2.4 GHz Wi-Fi |
| Power Cord Length | Approximately 1850 ± 10 mm |
| High-Efficiency Filtration | Removes up to 99.97% of particles as small as 0.3 microns, including allergens like pollen and pet dander. |
| 360° Air Intake | Ensures comprehensive air purification from all directions. |
| Smart Control | Compatible with Mi Home/Xiaomi Home app, Google Assistant, and Amazon Alexa for remote operation and voice control. |
| Real-Time Air Quality Monitoring | Equipped with a four-color indicator light to display air quality status. |
| Ultra-Quiet Operation | Features a brushless DC motor that operates quietly, making it suitable for bedrooms and other quiet spaces. |
| What’s Included in the Box | Xiaomi Smart Air Purifier 4 Compact (White) x1 Filter x1 Power Adapter x1 User Manual x1 |
The Xiaomi Smart Air Purifier 4 Compact is expertly crafted to enhance air quality in small to medium-sized rooms. Here’s a closer look at its essential specifications and standout features:
Key Specifications Xiaomi Smart Air Purifier 4 Compact
Key Specifications Xiaomi Smart Air Purifier 4 Compact help you understand the device’s core performance, size, and efficiency before using it. Reviewing these specifications makes it easier to determine whether the purifier fits your room size, power setup, and daily air purification needs.
- Model Number: The Xiaomi Smart Air Purifier 4 Compact uses model number AC-M18-SC, which identifies the exact product version.
- Dimensions: The device measures 220 mm in diameter and 355 mm in height, allowing it to fit easily on small floor spaces or tables.
- Weight: The purifier weighs approximately 2.2 kg, making it lightweight and easy to move between rooms.
- Coverage Area: The purifier works best in rooms sized between 16–27 square meters, such as bedrooms or small living areas.
- Particle CADR (Clean Air Delivery Rate): The device delivers a Particle CADR of 230 m³/h, indicating how quickly it can clean airborne particles.
- Filter Lifetime: The filter typically lasts 6–12 months, depending on air quality conditions and daily usage.
- Noise Levels:
- Minimum: The purifier can operate at 20 dB in sleep mode, making it suitable for nighttime use.
- Maximum: At higher fan speeds, the noise level can reach up to 60 dB(A) while still maintaining a relatively quiet environment.
- Rated Power: The device uses only 27 W of power, helping maintain energy-efficient operation.
- Rated Voltage: The purifier operates using a DC 24 V power supply for stable performance.
- Power Adapter Input: The adapter supports 100–240 V~, 50/60 Hz input, allowing use with standard household electricity.
- Connectivity: The purifier connects through 2.4 GHz Wi-Fi, enabling integration with compatible smart home systems.
- Power Cord Length: The included power cord measures approximately 1850 mm, providing flexibility when placing the purifier in a room.
Notable Features Xiaomi Smart Air Purifier 4 Compact
Notable Features Xiaomi Smart Air Purifier 4 Compact highlight the core technologies that improve air purification and everyday usability. Understanding these features helps you maximize performance and take advantage of the purifier’s smart capabilities.
- Understand the High-Efficiency Filtration: The purifier removes up to 99.97% of particles as small as 0.3 microns, helping capture common allergens such as pollen and pet dander.
- Use the 360° Air Intake System: The cylindrical design pulls air from all directions, allowing the purifier to clean indoor air more evenly.
- Control the Purifier with Smart Features: Manage the device through the Mi Home or Xiaomi Home app and use voice commands with Google Assistant or Amazon Alexa.
- Monitor Air Quality in Real Time: The built-in four-color indicator light displays the current air quality level so you can quickly check room conditions.
- Benefit from Ultra-Quiet Operation: The brushless DC motor reduces operating noise, making the purifier suitable for bedrooms and other quiet spaces.
What’s Included in the Box: Xiaomi Smart Air Purifier 4 Compact
What’s Included in the Box: Xiaomi Smart Air Purifier 4 Compact helps you verify that all essential components are present before setup. Checking these items ensures the purifier can be installed and used immediately.
- Check the Air Purifier Unit: The package includes one Xiaomi Smart Air Purifier 4 Compact (White), which is the main device responsible for cleaning indoor air.
- Verify the Included Filter: One filter is provided inside the package, which is required for the purifier’s air filtration system.
- Confirm the Power Adapter: The box includes one power adapter used to supply electricity to the air purifier.
- Review the User Manual: A printed user manual is included to guide you through setup, operation, and maintenance instructions.
My Hands-On Review of the Xiaomi Air Purifier 4 Compact
After using the Xiaomi Air Purifier 4 Compact in daily use, I noticed several practical features that make it suitable for small rooms. In my experience, its compact design, responsive sensor, quiet operation, and simple setup make it a convenient air purifier for everyday use.
I Find the Design Compact and Easy to Move
The first thing I noticed is the compact size. At about 35 cm tall and 22 cm in diameter, the device is easy for me to place in different rooms.
Because it is lightweight and small, I can move it between my bedroom and workspace without difficulty. Its compact, minimalist design also makes it suitable for apartments or small rooms where space is limited.
I Notice the Air Quality Sensor Responds Quickly
From my experience, the air quality sensor reacts quickly when indoor conditions change. When there is smoke or strong odors such as perfume, the device immediately changes its indicator color to red. This real-time air quality indicator helps me understand when the air quality drops.
I Can Use Three Different Operating Modes
The purifier includes three modes that I can choose depending on the situation.
- Auto Mode adjusts purification speed automatically based on air quality.
- Normal Mode provides steady air circulation during daily use.
- Night Mode runs quietly, which I prefer when using it while sleeping.
I Find the Setup Process Very Simple
Setting up the device was easy for me using the Mi Home app. I only needed to install the app, connect the purifier to Wi-Fi, and follow the pairing instructions. After that, I could monitor air quality and control the purifier directly from my phone.
I Think the Price Is Reasonable
The Xiaomi Air Purifier 4 Compact is typically sold between $89.30 and $101.71.
In my opinion, the price feels reasonable considering its compact design, responsive sensor, and quiet operation for small rooms or bedrooms.
Read More:
Frequently Asked Questions about Xiaomi Air Purifier 4 Compact
This FAQ section answers common questions about the Xiaomi Air Purifier 4 Compact, helping you understand its features, performance, and everyday usage. If you’re considering the Xiaomi Air Purifier 4 Compact for your home, these quick answers cover the most important things users usually want to know.
1. Is the Xiaomi Air Purifier 4 Compact suitable for small rooms?
Yes, the Xiaomi Air Purifier 4 Compact is designed for small to medium-sized rooms. It supports a coverage area of around 16–27 m², making it suitable for bedrooms, small living rooms, or home offices.
2. How often should the filter be replaced?
The filter typically lasts between 6 and 12 months, depending on air quality and usage. The Mi Home app can notify you when the filter efficiency begins to decrease.
3. Can the Xiaomi Air Purifier 4 Compact remove odors and smoke?
Yes, the purifier includes an activated carbon layer designed to absorb odors and harmful gases. It can help reduce cooking smells, pet odors, and cigarette smoke indoors.
4. How quiet is the Xiaomi Air Purifier 4 Compact in sleep mode?
In Sleep Mode, the purifier operates at around 20 dB, which is extremely quiet and similar to a whisper. This makes it suitable for bedrooms, nurseries, or quiet working environments. Pasted text
5. Can I control the Xiaomi Air Purifier 4 Compact using my phone?
Yes, the purifier supports remote control through the Mi Home or Xiaomi Home mobile app. You can adjust fan speed, monitor air quality, and schedule operation directly from your smartphone.
6. How much electricity does the Xiaomi Air Purifier 4 Compact use?
The purifier consumes up to 27 W of power at maximum speed. This low power usage makes it energy-efficient and suitable for continuous daily operation.
7. Does the Xiaomi Air Purifier 4 Compact have an air quality sensor?
Yes, the device includes a built-in particle sensor that monitors indoor air quality in real time. The results are displayed through a four-color indicator light on the device.
8. What is the CADR rating of the Xiaomi Air Purifier 4 Compact?
The purifier has a Particle CADR of 230 m³/h. This rating indicates how quickly it can remove airborne particles such as dust, pollen, and fine pollutants from a room.
9. Can the filter be washed instead of replaced?
No, the filter is not washable and must be replaced when it reaches the end of its lifespan. Washing the HEPA filter may damage the filtration structure and reduce purification performance.
10. Can the Xiaomi Air Purifier 4 Compact be placed on the floor?
Yes, the purifier can be placed either on the floor or on a table. Just make sure there is enough space around the unit so the 360° air intake system can work properly.
Conclusion
Understanding the Specifications of the Xiaomi Air Purifier 4 Compact makes it much easier to decide whether this device fits your room size, air quality needs, and daily usage. From its 230 m³/h CADR and high-efficiency filtration to its compact design and low power consumption, the purifier is clearly built for small to medium spaces where clean air and quiet operation matter.
The combination of 360° air intake, smart control through the Mi Home app, and real-time air quality monitoring also makes it practical for modern homes. Add in its ultra-quiet sleep mode and energy-efficient 27 W operation, and the device becomes a convenient option for bedrooms, apartments, or small offices.
If you’re considering improving indoor air quality in a smaller room, reviewing these specifications can help you decide if the Xiaomi Air Purifier 4 Compact is the right fit. If you’ve used this purifier before, feel free to share your experience or thoughts so others can learn from it too.
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