News- Zhejiang Brozer Refrigeration Technology Co., Ltd.

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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Aug

How Do Condensing Units, Compressors, Evaporators and Condensers Work Together?

Quick Answer A working cold room, water chiller or refrigeration storage system is never built from a single part. It is a matched set: a condensing unit sized to the room's heat load, a compressor (scroll, piston or sc...
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Jul

What Are the Functions of a Condenser? Full Guide

A condenser's core job is simple: it takes hot, high-pressure refrigerant gas coming from the compressor and turns it back into a liquid by removing heat. Without this step, a refrigeration system cannot repeat its cool...
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Jul

What are the different types of condensers?

There are three main types of condensers used in refrigeration and HVAC systems: air-cooled, water-cooled, and evaporative. Air-cooled condensers use fans to push ambient air across finned coils, water-cooled condensers...
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Jul

How to Check Refrigeration Part Compatibility With Your System？

Quick Answer A refrigeration part is compatible with your system when four things match at once: the refrigerant type, the working pressure range, the connection size, and the electrical or capacity rating. If any one o...
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Jul

what are the functions of a condenser？

A condenser's main function is to remove heat from hot, high-pressure refrigerant gas coming out of the compressor and turn it back into a liquid. In doing so it also lowers the refrigerant pressure to the level needed...
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Jul

How Does Evaporator Fouling Affect Industrial Cooling Efficiency?

Evaporator fouling lowers industrial cooling efficiency by directly blocking heat transfer between the refrigerant and the air or product being cooled. A fouled evaporator coil can reduce heat exchange capacity by 15 pe...
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Jun

Why is my evaporator not cooling properly?

If your evaporator is not cooling properly, the most common causes are ice build-up on the coils, a dirty or blocked air cooler, refrigerant leakage, a failing compressor, or a malfunctioning condenser. Identifying whic...
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Jun

How Do I Choose the Right Size Condensing Unit for My Cold Room?

The right condensing unit size for your cold room depends on three core variables: room volume (m³), target storage temperature, and the heat load from products, insulation, and environment. For most commercial cold ...
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Jun

Which Refrigeration Compressor Is Right for Your System: Scroll or Screw?

Refrigeration compressors are the power core of every refrigeration system. For commercial and industrial applications — from cold rooms and condensing units to water chillers and refrigeration storage — two compressor ...
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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

How Do Condensing Units, Compressors, Evaporators and Condensers Work Together?

What Are the Functions of a Condenser? Full Guide

What are the different types of condensers?

How to Check Refrigeration Part Compatibility With Your System？

what are the functions of a condenser？

How Does Evaporator Fouling Affect Industrial Cooling Efficiency?

Why is my evaporator not cooling properly?

How Do I Choose the Right Size Condensing Unit for My Cold Room?

Which Refrigeration Compressor Is Right for Your System: Scroll or Screw?

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