News- Zhejiang Brozer Refrigeration Technology Co., Ltd.

Oct

Water Chiller Troubleshooting: Common Problems and Quick Fixes Explained

A cold storage operator calls at six in the morning: the chiller is running, the pump is running, but the chilled water supply sits at 9 °C instead of the 6.5 °C setpoint, and the high-pressure alarm tripped twice overn...
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Oct

Screw Chiller vs Scroll Chiller: Capacity, Efficiency and Selection Guide

Picture a 480 kW chilled-water loop serving a dairy processing hall, or a 1.6 MW central plant feeding three cold storage rooms and a packing line. Both projects arrive at the same question late in the design stage, usu...
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Oct

Low GWP Refrigerant Regulations 2026: What Cold Storage Operators Must Change

A 180-kilogram R-404A rack in a cold storage warehouse was already a regulated system in 2025. The 20-pound condensing unit cooling the prep room next door was not. On January 1, 2026, that changes: the EPA lowers the l...
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Oct

Water-Cooled vs Air-Cooled Industrial Chiller: How to Choose

Industrial Water Chiller vs Air-Cooled Chiller: The Short Answer If your plant runs a chiller more than 3,000 hours per year and has access to reliable cooling water, a water-cooled industrial chiller will usually deliv...
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Oct

How to Extend Compressor Lifespan: A Practical Guide for Refrigeration Systems

A semi-hermetic compressor that is correctly sized, fed clean refrigerant, and kept inside its operating envelope can run 15 to 20 years. The same unit installed with a 3 K superheat error, a partly blocked oil return l...
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Sep

How to Design a Cold Room for Fruits and Vegetables: 7 Practical Steps

A cold room can display a steady 2 °C and 92% relative humidity and still cost you a week of shelf life. The setpoint is the last five percent of the design. What actually protects produce is the order of the decisions ...
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Sep

How to Choose a Water Chiller for Factory Use: Complete Selection Guide

If a factory chiller is too small, you will see process temperatures drift every afternoon. If it is too large, the compressor cycles too often, part-load efficiency drops, and the evaporator can freeze up. That is why ...
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Sep

Condensing Unit Sizing Guide: How to Select the Right Unit for Cold Rooms

A cold room installer once reported a new condensing unit that took four hours to pull a 200 m² chilled room down instead of the specified two. The compressor was running hot, the discharge pressure was normal, but the ...
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Sep

Cold Room Capacity Calculation Formula: Storage Tonnage and Cooling Load Guide

Two buyers can ask for "a 300-ton cold room" and mean completely different things. One cares about how many pallets the room holds; the other cares about how much heat the refrigeration plant must remove every day. In p...
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Aug

Semi-Hermetic vs Hermetic Compressor: Which One Should You Choose for Your Cooling System?

You are comparing two compressors for a cold room project. One quote is lower. The other compressor costs more but has a bolted housing that a service technician can open. Which one should you buy? Choose a hermetic com...
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Aug

R290 vs R404A Refrigerant: Performance, Safety, Cost, and Retrofit Guide

Picture a cold storage supervisor reviewing last quarter's energy bills. The compressors run almost continuously, and the R404A in the lines is becoming harder to justify. A vendor suggests R290, but the cylinder carrie...
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Aug

Natural Refrigerants for Commercial Refrigeration: CO2, Ammonia, Propane Guide

When you specify a commercial refrigeration system in 2026, the first decision is the refrigerant. With high-GWP HFCs under phase-down through the Kigali Amendment and the EU F-Gas Regulation, natural refrigerants such...
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Water Chiller Troubleshooting: Common Problems and Quick Fixes Explained

Screw Chiller vs Scroll Chiller: Capacity, Efficiency and Selection Guide

Low GWP Refrigerant Regulations 2026: What Cold Storage Operators Must Change

Water-Cooled vs Air-Cooled Industrial Chiller: How to Choose

How to Extend Compressor Lifespan: A Practical Guide for Refrigeration Systems

How to Design a Cold Room for Fruits and Vegetables: 7 Practical Steps

How to Choose a Water Chiller for Factory Use: Complete Selection Guide

Condensing Unit Sizing Guide: How to Select the Right Unit for Cold Rooms

Cold Room Capacity Calculation Formula: Storage Tonnage and Cooling Load Guide

Semi-Hermetic vs Hermetic Compressor: Which One Should You Choose for Your Cooling System?

R290 vs R404A Refrigerant: Performance, Safety, Cost, and Retrofit Guide

Natural Refrigerants for Commercial Refrigeration: CO2, Ammonia, Propane Guide

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