Blast Chillers

Commercial blast chillers for Australian kitchens — high-output cooling cabinets that pull cooked food down through the bacterial-growth zone fast, then hold it cold and safe until service. This range runs from compact undercounter units for cafes and small restaurants up to reach-in and roll-in cabinets sized for production kitchens, caterers and bakeries. Many models double as blast freezers, so you can chill for next-day service or freeze a batch hard in one appliance. Cooling for storage rather than rapid recovery? Browse our wider commercial refrigeration range, or the dedicated commercial freezers for long-term frozen holding.

Who blast chillers are for

If you cook ahead, batch-prep or run a cook-chill operation, a blast chiller earns its bench space quickly. Restaurants and gastropubs use them to bring sauces, stocks and proteins down safely after service instead of leaving trays on the bench. Caterers and function venues chill in bulk the day before a job, then regenerate to order. Bakeries and patisserie kitchens lock in texture on mousses, laminated dough and ganache by dropping the core temperature fast. Aged-care, hospital and central-production kitchens rely on them to meet documented cook-chill cooling times. Anywhere food has to leave the kitchen hot and come back cold and compliant, this is the appliance that makes it legal and repeatable.

What's in scope

Blast chillers vs blast freezers

A blast chiller drives hot food down to around +3°C at the core in roughly 90 minutes, ready for safe cold storage. A blast freezer keeps going to about -18°C, freezing the product hard while the ice crystals stay small — which protects texture far better than a standard freezer does. Most commercial units on this page run both cycles, so you choose chill or freeze per batch. Check each product page for the exact cycle the model offers.

Undercounter and countertop units

Compact cabinets, commonly 3 to 5 tray slots, that tuck under a bench or sit on a countertop. The fit for cafes, small restaurants and prep stations where batch sizes are modest and floor space is tight.

Reach-in cabinets

Upright, free-standing units — typically 7 to 14 trays — for mid-to-high-volume restaurants, busy caterers and bakeries cooling several trays at once through service.

Roll-in models

The largest format: a flat floor or ramp lets you wheel a loaded gastronorm or bakery trolley straight in. Built for production kitchens, central-cook facilities and high-volume caterers moving big batches without double-handling.

How to choose a blast chiller in three steps

Picking the right unit comes down to three questions, in order.

Step 1 — Size by batch weight and tray count

Blast chillers are rated by how many kilograms they can pull down in one cycle, and by how many gastronorm or bakery trays they hold. Work out the heaviest single batch you cook ahead and match the rated chill capacity to it — sizing to your daily total instead of your biggest single load is the most common and costliest mistake here. Confirm the tray pitch suits the gastronorm or bakery trays you already run.

Step 2 — Decide chill, freeze, or both

If you only need food cold and safe for next-day service, a chill-only unit does the job for less. If you also batch-cook to freeze — for stock control, waste reduction or seasonal menus — choose a combined chiller/freezer so one cabinet covers both. Match the cycle to how you actually trade, not to the longest feature list.

Step 3 — Check footprint, power and airflow

Measure the floor or bench space and the door-swing clearance, then check the electrical supply: smaller benchtop units often run from a standard 10-amp outlet, while larger reach-in and roll-in cabinets usually need a dedicated 15-amp circuit or three-phase power. Allow the ventilation clearance the spec sheet calls for so the condenser can shed heat in a hot Australian kitchen.

For the full rundown on cooling times, HACCP record-keeping and where a blast chiller fits in a cook-chill workflow, read our guide on rapid cooling for food safety. Pair the unit with a combi steam oven and you have a clean cook-then-chill production line.

Popular picks: two proven starting points are the Atosa 3-grid undercounter blast chiller/freezer for cafes and small kitchens, and the larger Atosa 10-grid undercounter blast chiller/freezer where you're cooling more trays through a busier service.

Frequently asked questions

What is a commercial blast chiller?

A commercial blast chiller is a refrigerated cabinet that rapidly lowers the core temperature of cooked food — typically from around +70°C to +3°C in about 90 minutes — using powerful forced-air cooling. It moves food through the unsafe 5°C–60°C range quickly, which limits bacterial growth, locks in moisture and texture, and lets you safely cook ahead. It's built for fast cooling cycles, not for long-term cold storage.

What's the difference between a blast chiller and a blast freezer?

A blast chiller brings food down to a safe chilled temperature near +3°C for next-day or short-term use. A blast freezer keeps cooling to around -18°C to freeze the product solid, with small ice crystals that preserve texture better than a regular freezer. Many commercial units offer both cycles in one cabinet, so you can chill for service one day and freeze a batch the next.

Why do Australian kitchens need a blast chiller for food safety?

Australian food-safety guidance asks that cooked food be cooled from 60°C to 21°C within two hours, and from 21°C down to 5°C within a further four hours. Cooling large or dense batches in a standard fridge often can't hit those windows, and it can warm everything else in the cabinet. A blast chiller is engineered to meet those cooling times reliably, which makes it central to a compliant cook-chill operation. Check the current standards and your local council requirements for your venue.

What size blast chiller do I need?

Size by your largest single cook-ahead batch, not your daily output. Blast chillers are rated in kilograms cooled per cycle and in tray count — commonly 3 to 5 trays for cafes and small restaurants, 7 trays for mid-volume kitchens and caterers, and 10 to 14 trays or roll-in trolleys for production kitchens. Pick a rated capacity at or just above your heaviest batch so the unit hits its cooling time every cycle.

Can I use a blast chiller as a normal fridge or freezer?

No. A blast chiller is designed for short, intensive cooling cycles, not continuous storage. Once a batch has chilled or frozen, transfer it to a standard commercial fridge or freezer for holding. Using the unit as everyday storage wastes its capacity and stops it being free when you next need to cool a hot batch fast.

What power supply does a blast chiller need?

It depends on the size. Compact undercounter and countertop units often run from a standard 10-amp power point, so they rarely need electrical work. Larger reach-in and roll-in cabinets typically need a dedicated 15-amp circuit or three-phase power. Each product page lists the model's power requirement — confirm it against your kitchen's supply before you buy, and check the ventilation clearance the spec sheet calls for.

How much does a blast chiller cost in Australia?

Price tracks size and cycle capability. Compact undercounter chiller/freezer units start in the low thousands, mid-size reach-in cabinets sit higher, and large roll-in production units are the top of the range. Browse the range to compare current pricing by tray count, or call our Australian-based team on 1300 111 901 for help matching a unit to your batch sizes and budget.

Do you deliver blast chillers across Australia?

Yes. Commercial Kitchen Store ships nationwide, and Australian-based phone support is available on 1300 111 901 if you need help sizing a unit to your kitchen. For cover details, see our warranty and service information.