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Fruit precooling and ripening systems

We design and manufacture the evaporator, controls and refrigeration unit for precooling and ripening avocados, mangoes, bananas and other fruit.

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IceSquare chamber with elevated two-level racks loaded with fruit boxes and a dual-airflow system
IceSquare photo of the dual-airflow system with elevated racks and loaded fruit boxes.

How it works and what we assess

Precooling removes field heat after harvest. With forced air, airflow is guided through vented boxes to cool the batch more evenly. Ripening is a separate stage: the chamber maintains the temperature, humidity and air circulation required by the fruit protocol.

How the system works

  1. Receive and precool

    Define the arriving temperature, batch size and time available to remove field heat.

  2. Keep conditions uniform

    We select the evaporator and air distribution around the boxes, stacking pattern and chamber use.

  3. Control ripening

    We integrate the controls and refrigeration unit. Ventilation and gas management, where the protocol calls for them, are coordinated with the process.

Why these systems are used

Compressor racks ↗

A compressor rack can serve multiple chambers or cycles where capacity, schedules and operating conditions allow.

Our recommendation

Before selecting equipment, decide whether the fruit needs postharvest cooling, storage or ripening. Start with the cultivar, maturity and product protocol for each stage.

Before selection

  • Review box ventilation, stacking and airflow paths.
  • Avoid using the same temperature or cycle for every fruit.
  • Keep the refrigerant circuit separate from chamber ventilation and atmosphere controls.

Equipment to assess for this application

More application photos

Side view of the elevated racks and dual-airflow system.
Side view of the elevated racks and dual-airflow system.
IceSquare control panel for the ripening chamber evaporators.
IceSquare control panel for the ripening chamber evaporators.

Related applications

Technical references