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Views: 0 Author: Site Editor Publish Time: 2026-08-06 Origin: Site
Thailand features year round high temperature and high humidity. Industries including food warehousing, aquatic product freezing and pharmaceutical preservation impose strict requirements on the overall performance of cold storage installation. For a cold storage to achieve stable temperature control, lower power consumption and reduce breakdowns, refrigerant selection plays a decisive role.
XB Refrigeration Co., Ltd., located at 199/113 Moo 3, Nadi Subdistrict, Mueang Samut Sakhon District, Samut Sakhon Province 74000, specializes in local cold room installation across Thailand. It undertakes custom construction for fresh keeping cold storages, low temperature freezing cold storages and quick freezing cold storages. Tailored to tropical climatic conditions, the company delivers well matched refrigerant solutions for clients and prevents high energy consumption, refrigeration capacity degradation and unit damage caused by improper selection. This article compares mainstream refrigerants in the Thai market with measured data to support enterprises in making informed selections.
R22, R134a, R404A, R507 and R410A are widely used for cold storages in Thailand. Significant gaps exist in environmental protection indicators, working pressure, energy efficiency and applicable temperature ranges. The table below is compiled under Thailand’s ambient temperature of 30 °C.
Refrigerant Model | ODP (Ozone Depletion Potential) | GWP (Global Warming Potential) | Applicable Temperature Range | COP Energy Efficiency under Standard Condition | Evaporation Pressure (MPa) | Condensation Pressure (MPa) | Main Application Scenarios |
R22 | 0.055 | 1810 | -35 °C ~ 5 °C | 1.90 | 0.12 | 1.70 | Old cold storage renovation, general medium low temperature cold storages |
R134a | 0 | 1430 | -10 °C ~ 10 °C | 2.35 | 0.18 | 1.35 | Fruit vegetable preservation, pharmaceutical constant temperature cold storages |
R404A | 0 | 3922 | -45 °C ~ -15 °C | 2.10 | 0.09 | 1.85 | Aquatic product & meat low temperature freezing cold storages |
R507 | 0 | 3985 | -48 °C ~ -20 °C | 2.52 | 0.065 | 1.94 | High end quick freezing, ultra low temperature warehousing cold storages |
R410A | 0 | 2088 | -5 °C ~ 15 °C | 2.48 | 0.22 | 2.10 | Small size commercial constant temperature flower preservation cold storages |
R22 features low cost and widely available spare parts, suited for budget limited ageing projects. Nevertheless, it depletes the ozone layer and delivers poor energy efficiency. Under identical working conditions, its energy consumption is 32 % higher than R507, with obvious refrigeration degradation under high temperature conditions. It is not recommended for new build projects.
R134a has zero ODP, low exhaust temperature and reduces compressor load, ideal for cold storages operating above 0 °C for preservation and pharmaceutical storage. Its weakness lies in poor low temperature performance: refrigeration capacity drops sharply below 10 °C, so it cannot be adopted for freezing cold storages.
R404A is the mainstream refrigerant for mid tier low temperature cold storages in Thailand. It provides stable low temperature performance for aquatic product freezing and enjoys good unit compatibility. Its drawback is high GWP value with prominent greenhouse effect impact, and its long term energy consumption is higher than R507.
R507 is a high grade azeotropic refrigerant. At 24 °C, its COP is 32 % higher and its refrigeration capacity is 15 % higher than R22. It suffers minimal performance loss under Thailand’s high temperature climate and yields substantial annual power savings, making it fit for long term high end quick freezing projects. The only downside is higher refrigerant procurement cost.
R410A delivers high heat exchange efficiency and precise temperature control for small scale constant temperature cold storages. Yet its system runs at high pressure, which sets strict requirements for sealing and welding workmanship during cold storage installation. It must be implemented by professional teams.
Thailand has a tropical monsoon climate. Cold storages operate under continuous heavy load status, so temperate zone selection schemes cannot be copied directly. First, prioritize high temperature stability. Choose refrigerants with minor refrigeration capacity attenuation in hot environments to avoid frequent unit alarms and shutdowns in summer. Second, match operating temperature requirements: pick R134a / R410A for fresh keeping cold storages, R404A for conventional freezing cold storages, and R507 for ultra low temperature quick freezing applications. Third, balance environmental protection requirements and investment. Prioritize high efficiency refrigerants for long lifespan projects to offset initial costs via electricity savings.
Even premium refrigerants rely on professional cold storage installation. Procedures including pipeline welding, vacuum pumping, refrigerant charging and leak detection directly affect system efficiency. Professional construction can lift refrigeration efficiency by 10 15 % and extend unit service life.
Each refrigerant has its own strengths. Cold storage installation in Thailand shall be decided comprehensively based on storage temperature, service life, budget and local climate. R22 applies to short term renovation of old cold storages; R134a is targeted for high temperature preservation; R404A fits mid tier freezing projects; R507 stands out for high end ultra low temperature cold storages with superior energy efficiency; R410A serves small size high precision constant temperature cold storages.
Familiar with local operating conditions in Thailand, XB Refrigeration Co., Ltd provides one stop services covering solution design, cold storage installation, refrigerant selection and after sales maintenance, helping clients build stable and energy saving cold chain warehousing systems.
Q1: For newly built low temperature cold storages in Thailand, R404A or R507?
Select R404A for cost focused mid tier projects. Choose R507 for long term high end quick freezing cold storages, as it adapts better to Thailand’s high temperature climate.
Q2: Can R134a be used for freezing cold storages?
Not recommended. Below 10 °C its refrigeration capacity drops drastically and energy consumption surges, which may damage compressors. It is only for fresh keeping cold storages.
Q3: How often should refrigerants be replaced? Does installation quality make a big difference?
Refrigerants can last 5 8 years without leakage. Cold storage installation workmanship directly influences refrigerant loss, energy consumption and overall unit service life.
