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Refrigeration Load Calculator

Full heat-load breakdown — envelope, product pull-down, infiltration and miscellaneous gains for cold rooms and processing halls.

Floor area (m²)

Height (m)

ΔT ambient − room (°C)

Panel U-value (W/m²K)

Product mass / day (kg)

Cp (kJ/kg·K)

Product ΔT (°C)

Pull-down time (hours)

Door openings / day

Design load (incl. 20% margin)

46.4 kW

Transmission

15.2 kW

Product pull-down

11.1 kW

Infiltration + misc

12.3 kW

Indicative estimates only. ColdMatch uses these inputs to brief vetted refrigeration suppliers in 60+ countries.

FAQ

Main load components?

Transmission, product pull-down, infiltration, lighting/motors and personnel.

What U-value for panels?

Chilled 0.25–0.35, frozen 0.18–0.22, blast 0.15 W/m²K or better.

How much does door opening add?

In busy DCs infiltration can reach 15–25% of total load.