One-Stop Air Purifier Motor Factory
Maintex is a professional manufacturer of energy-saving BLDC air purifier motors with 20 years of industry experience. Our 12V/24V sensorless brushless DC motors fit household bedroom purifiers, medical-grade air purification systems, dehumidifiers, and bath heaters. With a 45,000 ㎡ factory, over 1,200 employees, 80 QA staff, and a Japan Osaka gear measuring center, we provide one-stop motor customization for manufacturers and traders in more than 100 countries worldwide.
Our Core BLDC Air Purifier Motor Series
12V / 24V Brushless DC Motors for Air Purifiers, Medical Gear & Ventilation Fans.

Wide speed range, 150mN.m torque, ideal for high-airflow home air purifier mass production.
- Model:BL6110-006C
- Rated Voltage: 24V
- Speed Range: 200~2400RPM
- Rated Torque: 150mN.m
- Rated Power: 33±3W

6W low-power & low-EMI anti-interference design. Ultra-quiet operation fits ICU and hospital clean room purification scenarios.
- Model:BL4812-078A
- Max Torque: 30mN.m
- Control: Sensorless 3-phase sine wave PWM drive
- Service Life: 10,000+ hours continuous operation
- Noise Limit: ≤45dB

3500RPM peak speed, 48mN.m stable torque, perfect for purifier cooling and ventilation systems.
- Model:BL4112-003D
- Rated Voltage: 12V
- Max Torque: 48mN.m
- Control: Sensorless BLDC
- Noise: Below 45dB

760–1510RPM adjustable speed, low current loss, dedicated for smart adjustable air purification fans.
- Model:BL5706-020C
- Rated Voltage: 24V
- Max Torque: 56mN.m
- Temp Rise Control: Max 75K under full load
- Environment: Works steadily 0℃~40℃
Why Choose Maintex BLDC Air Purifier Motors?
Our 12V & 24V BLDC motors use smooth FOC sine wave drive. Quiet, long-lasting and fully customizable for you.

Durable performance under rated full load

Max 45dB quiet running under standard test condition

Smooth speed adjustment without stutter

Small body size yet delivers strong airflow

Less power waste, runs cool without overheating

Resist high heat, avoid coil burnout long-term

Less vibration, slow down component wear

Supports 24/7 non-stop running for all purification devices
Complete Air Purifier Motor + Driver Board Solution
Maintex provides matched air purifier BLDC motor and driver board one-stop solution.
We fit all 12V/24V FOC motors with PWM, voltage and stepless speed options. All units are fully tested at our factory; you can mount them straight away, no extra debugging. Perfect for purifier factories and solution houses to avoid motor-driver mismatches and long R&D tuning time.


Air Purifier Motor Full Testing & Quality Reports
Every Maintex air purifier BLDC motor goes through comprehensive performance tests before shipment, including no-load current, torque-speed, noise, temperature aging, EMC and vibration inspection. We conduct full inspection on all finished units, and attach official test reports with every batch, so the motors run steadily with low failure rates for your purification equipment.
Professional Air Purifier BLDC Motor Manufacturer in China


Maintex specializes in manufacturing BLDC motors for air purifiers. We have long served Fortune 500 brands such as Gree and Midea, and hold more than 225 patents. Our 70-member R&D team provides remote technical support, and our 80-person QC team delivers 8D analysis within 72 hours. We ensure stable quality and fast response to technical issues.
Professional Solutions for Air Purification & Ventilation Equipment
Maintex offers BLDC motor solutions for home purifiers, medical devices, bladeless fans, with tailored performance to fit various working conditions.

Maintex low-noise bedroom air purifier motors adopt precision rotor dynamic balance correction and silent ball bearings for ultra-low vibration. FOC sine wave drive realizes sleep mode noise as low as 30dB(A) without harsh electromagnetic noise. Low no-load current design saves standby and low-speed power, fully complying with EU ERP energy efficiency standards.

This air purifier motor is assembled in dust-free workshops, producing no particles to contaminate clean areas. Medical-grade EMC design avoids interference with monitors, infusion pumps and other precision devices. It runs stably 24/7 with strictly controlled temperature rise for safer use.

This high-torque air purifier motor delivers 90~150mN·m to drive large fan wheels and maintain strong airflow even under high back pressure. The aluminum housing dissipates heat efficiently, preventing overheating during long-time high-speed operation.
More About Our Air Purifier Motor
- Air Purifier Motor Specification Table
- Gallery
| Model No. | Rated voltage | Operating voltage | Speed | No-Load Current | Power | Load Current | Rated torque | Application |
| BL4112-003D | 12 V | 10~13.2 V | 3500±10%RPM | < 0.5A | 23±4W | 2.5±20%A | 48mN.m | Fan |
| BL4812-078A | 12 V | 10~13.2 V | 1800±10%RPM | < 0.5A | 6±1W | < 1.0A | 30mN.m | Medical Equipment |
| BL5706-020C | 24 V | 21.6~26.4 V | 760~1510±5%RPM | < 0.3A | 16±3W | <1.0A | 56mN.m | Fan |
| BL6110-006C | 24 V | 22.8~25.2V | 200~2400±5%RPM | < 0.3A | 33±3W | < 1.8A | 150mN.m | Air Purifier |

Testimonials
Yes, we support custom voltage, speed, torque, shaft, size, material, logo etc. Free 2D & 3D drawings will be sent within 72 hours.
Medical motors use dust-free assembly and medical EMC design. Household motors focus on low noise 30dB (A) and ERP energy saving for bedroom using scenarios.
Yes. We provide sample testing and full inspection reports to help you verify quality before mass production.
Yes. Our motors adopt premium ball bearings and Class B high-temperature resistant winding. The S1 duty cycle design supports non-stop operation, suitable for medical purification equipment and commercial air cleaners running all day.
We can customize anti-corrosion and moisture-proof structure, including stainless steel shaft and sealed assembly. Custom wet-environment versions work steadily in humid bathroom and dehumidifier equipment.
Sensorless 3-phase sine wave motors we adopt reduce extra wiring cost and deliver quieter operation. They are the mainstream choice for most household and medical air purification equipment.
We support customized PWM signal, analog voltage and stepless speed regulation. Our engineering team can coordinate motor parameters to match your existing driver board.







