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Precision Air-Moving
for Demanding Environments

For over 77 years, Comair Rotron has engineered the most reliable, high-performance fans, blowers, and thermal solutions trusted across electronics, telecom, medical, military, and automotive industries.

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77 Years of Innovation & Reliability

Pioneering thermal management solutions since 1947

77+
Years of Engineering Excellence
5,000+
Custom Product Designs
3
Continents Served
IP68
Water & Dust Resistant

Our Technology

Our patented product set delivers the most reliable and highest-performing air-moving devices. We continuously improve our designs to meet evolving customer needs across mission-critical industries.

From ESD protection to Enviro-Shield™ three-level protection, our fans are built to endure harsh environments while maintaining peak performance.

Axial DC Fan Design

Our People & Global Reach

We have a globally diverse team of technologists and sales staff spread across North America, Asia, and Europe. Our team is committed to delivering on-time, defect-free products tailored to your specifications.

With local support and engineering expertise, we ensure responsive service and rapid prototyping for custom solutions.

Biscuit DC Blower

Our Journey

1947

Founded

Comair Rotron established to meet demand for small, reliable fans in the electronics industry.

1990

Shanghai Established

Comair Rotron Shanghai founded, leveraging China’s manufacturing advantages.

2015

New Facility

State-of-the-art manufacturing facility opened in Shanghai Songjiang.

2024

Headquarters Relocated

Shanghai Comair Rotron separated and moved global headquarters to California, USA.

Engineered for Performance

Explore our comprehensive range of fans, blowers, impellers, and custom assemblies

Caravel DC Axial Fan

Caravel DC Axial Fan

High airflow at low noise, ideal for telecom and electronics cooling.

  • • DC Voltage Options
  • • Low Noise Operation
  • • Long Life Ball Bearings
  • • IP68 Available (E3 models)
Biscuit DC Blower

Biscuit DC Blower

Compact, high-pressure blower for confined spaces.

  • • High Static Pressure
  • • Efficient DC Motor
  • • Durable Plastic Housing
  • • EMI/RFI Suppressed
CRKU133A Impeller

CRKU133A Impeller

High-efficiency impeller for maximum airflow and pressure.

  • • Optimized Blade Design
  • • Low Vibration
  • • Precision Balanced
  • • Compatible with Custom Housings
Fan Tray Assembly

Custom Fan Trays

Modular fan trays for communications, medical, and safety systems.

  • • Redundant Fan Configurations
  • • Hot-Swappable
  • • Integrated Monitoring
  • • Customizable Layouts
IP68 Series

IP68 Water-Tight Fans

Dust and water-resistant fans for extreme environments.

  • • Fully Sealed Housing
  • • Submersible Design
  • • Corrosion-Resistant Materials
  • • All Models Ending in E3
ThermaPro-V

ThermaPro-V Smart Fans

Intelligent fans with performance monitoring and control.

  • • Tachometer Output
  • • PWM Speed Control
  • • Fault Detection
  • • Single Sensor Multi-Fan Control
Military Grade

MIL-SPEC Fans

Ruggedized fans meeting military and aerospace standards.

  • • Extended Temperature Range
  • • High Shock/Vibration Resistance
  • • Conformal Coating Available
  • • Qualified for Harsh Environments
Custom Solutions

Custom Assemblies

Tailored thermal solutions with custom molds, circuitry, and software.

  • • Custom Molding
  • • Proprietary Circuitry
  • • Firmware Integration
  • • Rapid Prototyping
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Smart Thermal Solutions

Advanced technologies to optimize fan performance and reliability

Fan Reliability

  • • Extended Life Bearings
  • • Electrostatic Discharge (ESD) Protection
  • • Enviro-Shield™ Three Levels of Protection
  • • Thermal Runaway Prevention
  • • High MTBF Ratings

Fan Controls & Monitoring

  • • PWM and Analog Speed Control
  • • Tachometer Feedback
  • • Fault-Tolerant Fan (FTF) Systems
  • • Clogged Filter Detection
  • • Multi-Fan Control via Single Sensor

Application Case Studies

  • • Baseboard Heating Systems
  • • 5G Telecom Enclosures
  • • Medical Imaging Equipment
  • • Automotive Battery Cooling
  • • Military Rugged Computers

Engineering Tools

Unit Conversion Calculator Airflow Calculator Thermal Calculator Product Search

Contact Comair Rotron

Reach out for technical support, sales inquiries, or custom solution requests.

USA Office

Comair Rotron USA Inc

1556 CAVERN POINT COURT

CHULA VISTA, CA 91911

USA

Phone: +1-619-755-4555

Email: sales@comairrotron.com.cn

China Office

Shanghai Comair Rotron Fan Co., Ltd

BLDG 15 No.506 Nanhuan Road

Xinqiao Town, Songjiang District

Shanghai 201612

China

Phone: +86-21-67693756

Email: sales@comairrotron.com.cn

Authorized Distributors

We work with a global network of authorized distributors to ensure local support and fast delivery.

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