Refrigeration capacity and cold room volume in m³
Why cold room volume does not convert directly to kW, and which heat loads matter when selecting monoblock and split units.
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Volume and capacity describe different things
Room volume is measured in m³. Refrigeration capacity describes the rate at which equipment removes heat under stated selection or test conditions and is usually expressed in W or kW. There is no universal conversion between them.
Published room volumes help with initial screening. They should not be turned into a fixed watts-per-cubic-metre rule for every cold room.
Identify the sources of heat
Heat transmission through the enclosure depends on insulation and temperature difference. Door openings introduce air and moisture. Products add a load that depends on their quantity and arrival temperature.
People, lighting and equipment operating inside the room also contribute. Operating hours and the time available for temperature recovery influence the duty.
Compare performance at equivalent conditions
Two capacity figures can only be compared when their conditions are known. Evaporating temperature, condensing ambient and room conditions affect equipment performance.
Also distinguish refrigeration capacity from electrical consumption. Power input is not cooling output, and their ratio cannot be extended to every operating point.
Use the information for selection
Prepare internal dimensions, insulation details, temperatures, product movements and door use. These allow the catalogue volume to be checked against the actual job.
The catalogue identifies monoblock and split units with published data. Final selection should be checked against the heat load and model documentation before the order is placed.
Manufacturer documentation: INTARCON intarblock R290 · INTARCON intartop R290
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