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Home » Authors » Senthilkumar K. Shanmugam
Senthilkumar K. Shanmugam

Senthilkumar K. Shanmugam

Senthilkumar K. Shanmugam currently serves as technical program manager for the CO2 Center of Excellence for Hillphoenix, a Dover Food Retail company located in Conyers, GA. He has more than 16 years of refrigeration industry experience and has been involved in the development of CO2 transcritical systems since the acquisition of Advansor in 2011. He is responsible for supporting the adoption of natural refrigeration systems in North America in the food retail and industrial refrigeration markets and can be contacted at senthil.kumar@doverfoodretail.com. 

Articles

ARTICLES

HilphoenixAdvansorFLEX_v2.png
FROSTlines

How CO2 Refrigeration Helps Grocers Cut Energy Costs

Ejectors, parallel compression, and heat reclaim improve ROI in CO2 systems
Senthilkumar K. Shanmugam
Senthilkumar K. Shanmugam
May 25, 2026

Rising energy costs are pushing grocers to rethink refrigeration, and new CO2 technologies are changing long-held assumptions about efficiency and performance.


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Hillphoenix-ChargeSecure.jpg
FROSTlines

Power Outages Pose Risk for CO2 Refrigeration Systems

New technology mitigates charge loss to ensure continuous protection of products
Senthilkumar K. Shanmugam
Senthilkumar K. Shanmugam
August 5, 2025

Power outages pose a risk of CO2 charge loss for refrigeration systems, but next-gen solutions can help minimize disruptions and ensure continuous product protection.


Read More
Hillphoenix-CO2-system.png
FROSTlines

Differences Between HFC and CO2 Systems: A Technical Perspective

Contractors should learn about CO2 refrigeration systems to keep up with changing regulations
Senthilkumar K. Shanmugam
Senthilkumar K. Shanmugam
June 3, 2025

As more grocers switch to environmentally friendly CO₂ refrigeration systems, it’s essential for HVACR contractors and technicians to understand how these systems work. 


Read More
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