Why CORESTAR
Efficiency, Compatibility, Reliability — All in One


A Mature Algorithm
Our advanced control algorithms have been refined through years of field testing, delivering precise and stable superheat regulation across varying load conditions.

Easy to use
Only need four parameters to start superheat regulation: refrigerant、Valve、Pressure sensor、main regulation

Mature Application Solutions
From commercial refrigeration to air conditioning systems, our EEV control solutions have been proven in a wide range of real-world applications, ensuring fast deployment and high reliability.

10+ years of control solutions for HVAC/R

Our EEV controller
Superheat Control Solution
Corestar's electronic expansion valves controller are compatible with the most widely-used EEV for low and medium temperature systems.

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EVDCool - Single-Valve EEV ControllerUniversal EEV controller for one uni-polar valve
Only need four parameters to start basic regulation
Build-in display and keypads
Supports 0.5V~4.5V/4~20 mA type pressure sensorGet Price Now -
EVDWell - Dual-Valve EEV ControllerUniversal EEV controller for two uni-polar valves
Two valves can be regulated independently
Supports 43+ refrigerants
Supports 0.5V~4.5V/4~20 mA type pressure sensorGet Price Now -
EVDPro - Single-Valve Bipolar EEV ControllerUniversal EEV controller for one bi-polar valve
Only need four parameters to start basic regulation
Build-in display and keypads
Supports 0.5V~4.5V/4~20 mA type pressure sensorGet Price Now -
EVDPlus Dual-Valve ControllerUniversal EEV controller for two bi-polar valves
Two valves can be regulated independently
Supports 43+ refrigerants
Supports 0.5V~4.5V/4~20 mA type pressure sensorGet Price Now -
EVD4 Valve DriverUniversal EEV driver for four uni-polar valves
Supports 8 NTC temperature sensors
Supports standard Modbus RTU protocol
Onboard DIP switch for easy address configuration;
Get Price Now -
EVB00 Backup Power ModuleUsed as backup power supply for EEV controllers
Supercapacitor technology
Can make sure two valves emergency closing
Short power-off response time
Get Price Now
Need specs or compatibility info? Contact our team now.
Recent Projects
Trusted by Global OEMs and Integrators

Working Process
Check How Corestar Work with you

Our structured 8-step workflow helps you deploy reliable and efficient EEV controller solutions, tailored to your exact system requirements. We make your automation projects faster, simpler, and more scalable.

Consultation
Our engineers work closely with you to understand your refrigeration or HVAC application, cooling capacity needs, and compatibility with specific EEV brands and communication protocols.

Technical Drawing
We provide detailed wiring diagrams, valve-driver configurations, and I/O mappings for EVD controllers, ensuring accurate integration with sensors and system layout.

Offer a Solution
Based on your operating conditions, we propose suitable controller models (EVDCool, EVDWell, EVDPlus, EVDPro) and related sensor models

Quote
A transparent, itemized quotation is delivered, covering controller selection, optional transformer or sensors, lead times, and shipping details.

Production, QC & Pre-assembly
Your solution goes through strict QC. Optional pre-configurations like valve parameters, firmware, or wiring kits can be arranged for plug-and-play deployment.

Door to Door Shipping
We handle global logistics and customs, providing safe, fast, and cost-effective shipping directly to your site or assembly line.

Integration and Installation
Our EVD controllers support major EEV brands. We offer manuals, reference codes, and remote guidance to ensure a smooth installation and commissioning process.

Technical Support
Access ongoing support including remote diagnostics, parameter optimization, firmware updates, and troubleshooting—delivered by our experienced support engineers.
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About Products
Reliable & Efficient Superheat Control Solutions

Corestar’s superheat controllers are designed for ultimate precision, ensuring that HVAC/R systems operate at peak efficiency with reduced energy consumption. Our controllers deliver optimized performance through advanced technology, easy integration, and long-lasting reliability

Precise regulation of superheat to the lowest possible level

Optimum charge of the evaporator

Easy installation and reliable operation

Compact and lightweight design

Long service life

Safety features and alarm indications

About Us
Corestar: 10+ Years of Expertise in HVAC/R Control Solutions

With over a decade of experience, Corestar delivers tailored, energy-efficient HVAC/R control solutions for refrigeration and air conditioning systems.
Our Services Include:
Our Services Include:

Free Access to Advanced Control Solutions: No-cost access to our library of control solutions to help accelerate your project.

Expert Customization & Programming Support: Our engineers provide assistance in product customization and programming to ensure the best fit for your needs.

Comprehensive Field Services: From commissioning to maintenance, we ensure your systems run efficiently, with minimal downtime.

Remote Support & Training: Get expert help and system optimization through remote support and training programs.

Reliable Repair Services: We offer complete repair services, from diagnostics to repairs, to keep your systems in top condition.

Testimonials
Our clients' satisfaction is important to us.



Let’s Work Together

Innovative Control Solutions for HVAC/R Systems

Seamless Integration with Leading EEV Brands

10+ Expertises in Superheat Control Solutions

Consult with an expert
+86 13862413605
Get your Free Quote Today
