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With over 16 years of expertise, we specialize in the manufacturing of commercial refrigeration.

How to make the supermarket open refrigerators more energy-efficient?

How to make the supermarket open refrigerators more energy-efficient? 1

Open refrigerators are essential for showcasing perishable goods, but their energy consumption accounts for up to 70% of a supermarket’s total cooling costs. At present, there are a lot of literatures on the matching of display refrigerator units, refrigeration system optimization design and energy-saving measures. The energy-saving technology improvements of display refrigerators are mainly concentrated in the following three aspects.

Refrigerator Structural Improvements

How to make the supermarket open refrigerators more energy-efficient? 2
Air Curtain Optimization
Adding multi-layer "air curtains" (transparent airflow barriers) reduces energy use by 45% (e.g., cutting power consumption from 10 kWh to 5.5 kWh).
How to make the supermarket open refrigerators more energy-efficient? 3
Evaporator Upgrades
Expanding evaporator surface area and implementing dual-stage designs minimizes defrost interruptions and improves efficiency.
How to make the supermarket open refrigerators more energy-efficient? 4
Smart Anti-Fogging
Automatically adjusts heater power based on humidity to avoid energy waste.

Environmental Control

  • Over 50% of energy loss stems from external hot air infiltration.
  • When humidity rises from 40% to 57%, defrost energy consumption doubles.
  • Recommends maintaining supermarket conditions at ≤24°C and ≤55% humidity (using dehumidifiers).
How to make the supermarket open refrigerators more energy-efficient? 5

System Optimization

Replacing single large compressors with parallel small units saves 20% energy.

Implementing "supercooled" refrigerant cycles boosts cooling efficiency by 40%.

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