1 — Jurisdiction
Costs shown in AUD. Default voltages 230V single-phase / 400V three-phase.
2 — Power input
Use input power (what it draws), not output/cooling capacity. Amps mode calculates kW from V × I × PF (× √3 for three phase).
3 — Duty cycle
10%40%70%100%
Running at 60% of the time it's switched on typical cycling
Compressor or motor cycles on and off under normal load — the everyday case for AC, coolrooms and pumps.
4 — Usage & rate
Results
Effective power draw—
Energy per week—
Cost per hour (while on)—
Cost per day—
Cost per week—
Cost per month—
Cost per year—
5 — Brand comparison
Compares units using the shared rate, hours, days and quantity above. Each unit gets its own power and duty.
| Brand / model | kW | Duty | $/week | $/year | vs cheapest /yr |
|---|