H.Stars (Guangzhou) Refrigerating Equipment Group Ltd.

  Data centers rely on diverse cooling methods, categorized into mechanical refrigeration and natural cooling. Mechanical systems include air-cooled direct expansion (DX), air-cooled chilled water, water-cooled chilled water, and centralized cooling water systems. Natural cooling encompasses fresh air, plate heat exchange, rotary heat exchange, evaporative cooling, and liquid cooling. Air-cooled DX Systems  are traditional, with indoor units (compressor, evaporator) connected to outdoor condensers via refrigerant lines. Their simple design ensures reliability (no single point of failure). With fluoride pump energy saving (activating below 5°C), PUE in Zhejiang drops from ~1.71 to ~1.43. Water-cooled Chilled Water Systems  use centrifugal chillers and cooling towers, ideal for high heat loads. Winter free cooling via heat exchangers boosts efficiency (PUE ~1.43 in Zhejiang) but requires complex maintenance. Air-cooled Chilled Water Systems skip cooling towers, suiting mode...

  When it comes to industrial cooling, selecting the right chiller is essential for efficiency, cost-effectiveness, and reliable performance. Each type of chiller—screw, water-cooled, and those specific to injection molding—offers unique advantages based on operational needs. Here’s a guide to help you make an informed choice. 1.  Screw Chillers Overview: Screw chillers use a rotary screw compressor that excels at continuous cooling in larger industrial settings. Advantages: Energy Efficiency: The rotary screw compressor allows for smooth, energy-efficient operation, especially under partial loads. Reliability: Screw chillers typically offer high durability and are designed for continuous use, reducing the need for frequent repairs. Quiet Operation: Screw chillers run quieter than reciprocating chillers, making them suitable for noise-sensitive environments. Applications: Ideal for high-demand applications like data centers, manufacturing plants, and commercial buildings that ...

  As technology advances, the cooling systems in shopping malls are constantly being updated. In recent years,   scroll air-cooled chillers   have gained significant attention due to their unique advantages. But is the adoption of scroll air-cooled chillers in shopping malls truly an energy-saving measure, or could it be a waste of resources? Scroll air-cooled chillers offer several benefits in the realm of commercial cooling, particularly for shopping malls. 1. High Efficiency and Energy Saving Scroll air-cooled chillers use scroll compression technology, which is known for its high efficiency and energy-saving characteristics. These chillers are over 20% more efficient than traditional chillers, enabling them to quickly and effectively reduce indoor temperatures and lower energy costs. 2. Easy Maintenance One of the significant advantages of scroll air-cooled chillers is their ease of maintenance. Since they do not require cooling water, there is no need for water repla...

  Since  H.Stars Grou p  has been established for more than 28 years so far, some of you might wonder how H.Stars produces a high quality  water cooled chiller . Below is the detailed production process with strict quality control system and 100% testing before delivery. ​ 1. Chiller Frame welding: clean the bracket and select the appropriate welding method according to the specifications of the welding materials and the technical requirements. 2. Chiller Bracket assembly: compressor, electric box, filter and other brackets are assembled and welded according to the required sizes from the drawing. 3.Shell and tube evaporator and condenser assembling process: the evaporator and condenser ,self-manufactured by UAR ,the subsidiary of H.Stars Group, is in welding process according to buyer’s requirements and H.Stars  R&D team design. 4.Sheet metal: the electric control box shell on the H.Stars chiller is designed and manufactured independently, and the quality i...