Engineering insights
Cold chain know-how, without the sales talk.
Practical guides on sizing, specifying, installing and maintaining cold rooms and refrigeration equipment.

Flake vs Cube vs Block Ice Machine: Which to Choose?
Compare flake, cube and block ice machines for fisheries, markets and food processing: ice form, cooling speed, storage, transport and how to size capacity.
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Cold Room Installation Checklist: Site to Commissioning
A practical cold room installation checklist: site and floor preparation, panel assembly, piping, leak testing, evacuation, charging and commissioning.

Cold Room Refrigerant Choice in 2026: R404A, R448A, R290
A neutral 2026 guide to cold room refrigerants: R404A phase-down, R448A and R449A, R134a, R290 and CO2, with GWP values, safety classes and selection factors.

Cold Room Evaporator Selection and Defrost Methods
How to select a cold room evaporator: DL, DD and DJ types, fin spacing, temperature difference, air throw and placement, plus electric and hot gas defrost.

Container Cold Room vs Prefabricated Panel Cold Room
Should you buy a 20ft or 40ft container cold room or a prefabricated panel cold room? Compare size, mobility, installation, cost and best-fit applications.

Blast Freezer vs Cold Storage Room: Key Differences
Blast freezer or cold storage room? Compare air temperature, air velocity, capacity, panels and equipment, with a worked example for freezing 1 tonne of fish.

Hermetic vs Scroll vs Semi-Hermetic Condensing Units
Compare hermetic, scroll and semi-hermetic piston condensing units for cold rooms: capacity range, low-temperature duty, efficiency, service and selection.

Cold Room Panel Thickness Guide: 75 to 200 mm PU Panels
Which PU panel thickness does your cold room need? Compare 75, 100, 120, 150 and 200 mm panels by temperature, U-value, energy cost and condensation risk.

Cold Room Refrigeration Load Calculation: Worked Example
Learn how to size a cold room refrigeration load step by step: transmission, product, infiltration and internal heat, with a +2 °C chiller worked example.
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