Cooling tunnel for industrial pre-cooling
Efficiently reduce product temperatures with this custom-designed air cooling tunnel, ideal for pre-cooling baked goods and confections to ensure optimal texture and quality control before final packaging.

Cools and Pre-Cools Confectionery Products
The AMBI AIR Cooling Tunnel from Prefamac Chocolate Machines offers a highly efficient pre-cooling solution for a range of confectionery and bakery products. Utilizing outside air for temperature reduction, it eliminates the need for gas or glycol-cooled systems, leading to significant energy savings. Ideal for products such as cookies, chocolate truffles, and energy bars, it supports customizable sizes and configurations tailored to your production speed and cooling requirements. The system operates continuously with adjustable belt and air speeds, ensuring seamless integration into your existing production line. Made of durable pearled stainless steel, it features easy-cleaning doors with gas springs that allow quick access for maintenance, minimizing downtime. With options for adjustable control via PLC systems and compatibility in environments requiring various electric voltages, the AMBI AIR Cooling Tunnel exemplifies Prefamac’s commitment to customizable, sustainable, and high-performance cooling solutions for the food industry.
Benefits
- Achieves significant energy savings by using naturally cooled air instead of traditional cooling systems.
- Enhances product consistency with precise, adjustable pre-cooling settings.
- Reduces maintenance time through easy-access cleaning features enabled by hinged, gas-spring doors.
- Ensures seamless production line integration with customizable configurations tailored to specific cooling needs.
- Promotes long-term operational efficiency with robust stainless-steel construction for maximum durability.
- Applications
- Filling,Waffle,Snacks,Confectionery,Truffle,Biscuit,Sweets,Chocolate
- End products
- Cookies,Chocolate truffles,Energy bars,Cream-filled pastries,Gummy candies,Chocolate bars,Stroopwafels
- Steps before
- Heating,Melting,Forming
- Steps after
- Final Cooling,Packaging,Quality Inspection
- Input ingredients
- products up to 130 degrees Celsius,biscuits,waffles,fillings,truffles,real chocolate,imitation chocolate,both
- Output ingredients
- cooled products,temperature exit in °C
- Market info
- Prefamac is known for manufacturing high-quality chocolate processing equipment, including tempering, enrobing, and cooling machines. The company is recognized for innovative and custom-engineered solutions tailored to the confectionery industry, emphasizing precision, efficiency, and reliability.
- Cooling medium
- Outdoor Air
- Cooling temperature
- Up to 130°C
- Cooling time
- Customizable
- Conveyor belt temperature capacity
- Up to 130°C / 250°F
- Width
- 300–1600 mm
- Automation
- PLC-controlled
- Adjustable belt speed
- Yes
- Adjustable air speed
- Yes
- Material
- Pearled Stainless Steel
- Working mechanism
- Uses outside air as cooling medium
- Cooling method
- Air circulation
- Batch vs. continuous operation
- Inline Continuous
- Automation level
- Central control or PLC control
- Cleaning method
- Manual,easy access with openable stainless steel doors
- Energy efficiency
- Significant energy savings by using free outdoor air
- Adjustable parameters
- Belt speed and air speed
- Machine footprint
- Custom length
- Frame material
- Pearled stainless steel
- Conveyor belt material
- Plastic belt
- Conveyor belt temperature tolerance
- Up to 130°C / 250°F
- Belt width
- 300-1600 mm
- Cooling medium
- Outside air
- Adjustable components
- Belt speed,air speed
- Cover features
- Hinged covers with gas springs
- Construction material
- Stainless steel
- Product cooling capacity
- Up to 130°C
- Control panel type
- Central control or PLC control,single phase 50 or 60 Hz
- Conveyor belt width
- 300-1600 mm
- Cooling medium
- Air
- Frame material
- Pearled stainless steel
- Customizable length
- Determined by cooling requirements and transport speed
- Additional installation for future expansion
- Available
- Belt speed
- Adjustable
- Air speed
- Adjustable