Blast Chillers & Deep Freezers
Blast chillers and deep freezers are specialised commercial refrigeration systems designed to rapidly cool or freeze food products while maintaining food safety, quality, and shelf life. Widely used in restaurants, hotels, bakeries, catering operations, central kitchens, and food production facilities, these units help businesses comply with HACCP requirements by quickly reducing food temperatures through the critical danger zone. By preserving texture, flavour, and product quality, blast chillers and deep freezers are essential equipment for professional food preparation, storage, and production environments.
What to Consider When Sourcing Blast Chillers and Deep Freezers
When selecting a blast chiller or deep freezer, the most important consideration is production capacity. Capacity is typically measured by the number of trays, trolley size, or the quantity of food that can be chilled or frozen per cycle. Matching the equipment to your production volume helps ensure efficient operation and food safety compliance.
You should also consider whether you require blast chilling, blast freezing, or a combination unit. Blast chillers rapidly cool cooked food to safe storage temperatures, while blast freezers quickly reduce product temperatures for frozen storage. Features such as core temperature probes, automatic cycles, gastronorm compatibility, powerful airflow systems, and stainless steel construction can improve performance, consistency, and ease of operation.
SIS Refrigeration offers blast chillers and deep freezers in a range of capacities, from compact kitchen models to large trolley and industrial units for commercial food production.
Frequently Asked Questions
Why can’t cooked food be cooled in a standard refrigerator?
Standard refrigerators cool food too slowly, increasing the risk of bacterial growth. Blast chillers rapidly reduce food temperatures to help meet HACCP food safety requirements.
What is the difference between blast chilling and blast freezing?
Blast chilling rapidly cools food to safe chilled storage temperatures, while blast freezing quickly reduces product temperatures for frozen storage and long-term preservation.
How is blast chiller capacity measured?
Capacity is typically specified by tray levels, trolley size, or the quantity of food that can be chilled or frozen during a single cycle.



