⚡ Electric Defrost Rods (4 Defrosts/Day), Time-Initiated Temp-Terminated (55°F)

Walk-In Freezer Electric Defrost Calculator

Size electric resistance defrost heaters for commercial low-temperature walk-in freezers: calculate heater rod wattage (Watts based on evaporator face area and drain pan heaters), time-initiated temperature-terminated cycle minutes (55°F Klixon bimetal termination), daily defrost energy kWh costs, and refrigeration service margins.

1. Project & Operating Inputs

Low-Temp Evaporator Defrost Capacity (Watts e.g. 6,000W Heaters)

Defrost Frequency (Cycles / Day e.g. 4 Defrost Cycles / Day)

Annual Refrigeration Maintenance Contract Fee ($ / Year)

Defrost Time Clock, Fan Delay Thermostat, Heaters & Service ($ / Year)

2. Financial Breakdown & Yield

ELECTRIC DEFROST HEATER SIZING

5-Year Defrost Optimization Savings

Refrigeration Service Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost