Understanding the Magic of Blast Chillers: How They Revolutionise Food Preservation

In the fast-paced world of commercial kitchens, food preservation is a paramount concern. Keeping ingredients fresh and safe while maintaining their flavour and quality is a challenging task. Enter the unsung heroes of the culinary world – blast chillers. In this article, we’ll delve into the inner workings of these incredible machines and uncover the secrets behind their ability to chill food rapidly, leading to superior food preservation and a multitude of other advantages.

The Need for Speed: How Blast Chillers Work

Blast chillers are a marvel of modern kitchen technology, designed to cool down hot food quickly and efficiently. They achieve this remarkable feat through a combination of precise temperature control, powerful airflow, and clever engineering.

1. Precision Temperature Control:
At the heart of every blast chiller is a sophisticated temperature control system. These machines can be set to chill food to specific temperatures, usually between -20°C to 3°C (depending on the type of food). This precision ensures that food is cooled rapidly but not frozen, preserving its texture and taste.

2. Rapid Airflow:
Blast chillers are equipped with high-capacity fans that circulate cold air evenly throughout the cabinet. This rapid airflow removes heat from the food’s surface quickly, preventing the formation of ice crystals and maintaining its quality.

3. Monitoring and Timing:
Built-in timers and sensors monitor the temperature of the food as it cools, and automatically switch to holding mode once the desired temperature is reached. This way the food stays at the right temperature until it’s ready for use.

Preservation Par Excellence

Now that we understand how blast chillers work, let’s explore how their rapid cooling capabilities translate into better-preserved food:

1. Preserving Texture:
One of the most significant advantages of blast chillers is their ability to preserve the texture of food. When food is cooled slowly, as in traditional methods, water within the food forms large ice crystals. These ice crystals can rupture cell walls and cause the food to become mushy when thawed. In contrast, blast chillers cool food so quickly that ice crystals remain small and do minimal damage, resulting in food that retains its texture and crunch.

2. Locking in Flavour:
Rapid chilling also helps lock in the flavours of food. The swift cooling process prevents the loss of volatile compounds responsible for aroma and taste. As a result, food that has been blast chilled tastes as fresh as the moment it was prepared.

3. Enhanced Food Safety:
Blast chillers play a crucial role in food safety by reducing the time food spends in the “danger zone” (between 5°C and 60°C), where bacteria multiply rapidly. By rapidly lowering the temperature of cooked dishes, blast chillers help prevent bacterial growth and ensure that food remains safe for consumption.

Other Advantages of Blast Chillers

While superior food preservation is the primary benefit of blast chillers, these machines offer several other advantages for commercial kitchens:

1. Improved Workflow:
Blast chillers allow kitchen staff to prepare food in advance, reducing the need for last-minute rush cooking. This leads to smoother operations and better service.

2. Cost Savings:
Reduced food wastage, longer shelf life, and enhanced food safety all contribute to cost savings for restaurants and catering businesses.

3. Menu Expansion:
With blast chillers, chefs can experiment with more complex dishes and expand their menus. They can prepare components of a dish in advance and assemble them when needed, offering greater variety to customers.

In conclusion, blast chillers are the unsung heroes of commercial kitchens, enabling chefs and food service professionals to maintain the quality, taste, and safety of their culinary creations. With their precision temperature control, rapid airflow, and numerous advantages, blast chillers have revolutionised the way food is preserved and prepared in the fast-paced world of modern cuisine.

Investing in a high-quality blast chiller is not just a smart choice; it’s a recipe for culinary success. So, whether you’re running a bustling restaurant or a catering service, consider incorporating a blast chiller into your kitchen arsenal and elevate your culinary game to new heights. Contact Regethermic today to learn about our range of industry-leading blast chillers.


1300 138 026


1300 138 026


+603 8740 4966