Fish & Seafood Cold Storage

Cold storage for a product that is wet, salty and handled constantly — where the corrosion problem is as serious as the refrigeration one.

  • 716products across this application
  • 271verified manufacturers
  • 5equipment groups

WhatColder, wetter, and harder on equipment

Seafood storage generally runs colder than general frozen food — commonly −25 °C and often −30 °C for tuna and long-term holding — because fat oxidation continues at higher temperatures and shows up as rancidity. The rooms are also washed down constantly and the air carries salt, which is what makes them so hard on equipment.

WhoWho buys it

Fishery and aquaculture processors, port cold stores, seafood exporters, and the refrigeration contractors serving harbour infrastructure. Frequently the same buyer needs blast freezing, storage and ice production together.

WhyWhy standard coils fail early here

Aluminium fins in a salt-laden, permanently damp room corrode far faster than in a general food store, and the corrosion is not cosmetic: it destroys the fin-to-tube bond, which collapses heat transfer long before the coil leaks. A room that quietly loses capacity gets blamed on the compressor, and the pack gets replaced when the problem was the coil.

HowSpecifying for the environment

Start with coil protection — coated or non-ferrous coils, stainless or protected casings, and drip trays that actually drain rather than holding brine. Size for the lower temperature band, remembering that pack capacity falls as evaporating temperature drops, so a unit rated at −20 °C will not deliver the same duty at −30 °C. Then plan ice supply alongside storage: most seafood operations need both.

Equipment this application needs

Cold Room Storage Low-temperature rooms Cold Room Storage74 Panel rooms specified for −25 to −30 °C with washdown-resistant floors and door hardware. Condensing Units Low-temperature packs Condensing Units427 Rated at the actual evaporating temperature — capacity falls sharply below −20 °C. Evaporators Protected coils Evaporators74 Coated or non-ferrous coils. This is the component that decides whether the room lasts five years or fifteen. Freezing Equipment Blast & plate freezing Freezing Equipment66 Freezing catch quickly is what preserves texture; storage capacity alone cannot do it. Ice Machines Flake & slurry ice Ice Machines75 Handling and display ice, sized on peak landing volume rather than daily average.

What to check before you order

Corrosion Resistant 154
Salt plus permanent damp. The single most important specification in this scenario.
Stainless Steel 1,488
Grade 316 for exposed hardware — 304 will show corrosion within a season near salt water.
R404A Refrigerant 318
Widely serviceable for low-temperature duty.
Ammonia / R717 28
Standard for large port and processing plant.
380V 1,427
Three-phase for processing-scale refrigeration.

Products for this application

Questions buyers ask

What temperature should a seafood cold store run at?
Colder than general frozen food: −25 °C is common and −30 °C is normal for fatty species such as tuna and for long-term holding. The reason is fat oxidation, which continues at higher storage temperatures and eventually shows up as rancidity even though the product is fully frozen.
Why do evaporator coils fail so quickly in seafood rooms?
Salt-laden, permanently damp air attacks aluminium fins and the fin-to-tube bond. The failure is usually not a leak — it is loss of heat transfer as the bond corrodes, so the room slowly loses capacity and the compressor gets blamed. Coated or non-ferrous coils address the actual cause.
Do I need separate blast freezing as well as storage?
If the catch arrives unfrozen, yes. Storage rooms hold temperature; they do not remove heat fast enough to freeze incoming product without both damaging its texture and pushing the room off setpoint, which puts existing stock at risk.

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