GREE Launches New Energy-Saving Inverter Hot Gas Defrost Refrigeration Unit
On March 20, GREE officially launched its new energy-saving inverter hot gas defrost refrigeration unit at a product launch event held in Shandong. Distributors, industry experts and media representatives nationwide gathered to witness GREE’s latest technological breakthrough in the refrigeration and cold chain industry. Centered on the theme “Ready for New Journey”, the event showcased GREE’s robust R&D strength and long-term layout in cold chain equipment, marking a new era of factory-integrated, high-efficiency inverter cold storage solutions to replace traditional fragmented assembly systems.
As a high-efficiency and intelligent cold room unit, GREE’s new model covers a temperature range from -25℃ to 25℃, fully adapting to small, medium and large cold room scenarios. It solves long-standing industry pain points including high energy consumption, unstable temperature operation and complicated manual adjustment, delivering outstanding performance in energy saving, operational stability and intelligent control.
GREE has invested over 150 million RMB to build 46 professional laboratories since entering the refrigeration industry in 2009, forming a full-link cold chain system covering pre-cooling, transportation and terminal storage. This newly upgraded cold storage unit adopts precise inverter temperature control and intelligent hot gas defrost technology to eliminate ineffective energy waste, serving as a powerful and cost-effective tool for cold chain practitioners.
Traditional cold storage markets rely heavily on scattered assembled equipment, suffering from low energy efficiency and irregular after-sales services. GREE’s factory-integrated cold storage condensing unit completely changes this situation. Verified by actual fruit cold room projects, GREE’s complete unit saves nearly 20,000 RMB in total operating costs within three years compared with assembled products, achieving lower procurement and operational costs with more reliable after-sales guarantees.
Designed for commercial centralized storage scenarios, the intelligent Walk-in freezer refrigeration system integrates three core technologies including AI inverter optimization, intelligent hot gas defrost and frequency conversion defrost control. It cuts overall power consumption by more than 50% compared with conventional equipment, delivering remarkable energy-saving benefits for long-term freezer operation.
Equipped with customized two-stage inverter compressors, the high-performance cold room cooling machine always operates at optimal efficiency through real-time load adaptive adjustment. It improves low-temperature working condition energy efficiency by 8% to 33% and reduces defrost power consumption by 86.7%. Intelligent defrost activation also eliminates 80% to 90% of invalid defrost cycles, maximizing energy utilization.

Featuring an all-in-one factory calibration design, the premium cold room condensing unit completes full matching and testing of compressors, condensers and control components before delivery. On-site installation is simplified into only four steps, saving about 800 RMB of commissioning costs per unit and greatly reducing on-site construction errors.
Built with ultra-reliable core components and independent intelligent algorithms, the professional refrigeration condensing unit for cold storage supports adaptive fault replacement and intelligent cycle control. It guarantees non-stop cold room operation and stable storage temperature even with partial sensor failures, while reinforced four-way valves extend service life to withstand extreme seasonal working conditions.
Tailored for versatile commercial storage needs, the user-friendly Walk-in cooler unit is equipped with a 4-inch LCD color screen for visualized Chinese operation. The supporting dedicated cold chain APP realizes real-time power statistics, peak-valley power regulation, remote fault alarm and multi-unit group control, enabling intelligent centralized management for catering, pharmaceutical and agricultural cold storage scenarios.
GREE also announced the winners of the 2nd “GREE Blue” Energy-Saving Renovation Project Selection during the event. A total of 39 benchmark cases across fruit and vegetable, pharmaceutical and catering industries achieved 35% to 50% average energy savings, fully verifying the practical value of GREE’s intelligent cold chain technology.
With mature application experience in landmark projects including state banquet cold rooms and vaccine cold storage centers, GREE will continue to focus on independent technological innovation, optimize full-series cold chain products and service systems, and strive to build a leading national cold chain brand to empower the high-quality development of the global cold storage industry.
A globally trusted specialist in commercial refrigeration, EXTRCOOL provides variablefrequency cold room systems adapted to a broad spectrum of storage applications. With a clear focus on energy conservation, accurate temperature regulation, and easy system expansion, our standardized turnkey solutions guarantee reliable and straightforward cold storage setup. We support clients across South America, Central Africa, Northern Europe, South Asia, and the Middle East.

