Savings calculator

See how much you'll save with a heat pump

Sizing and running-cost estimates using industry-standard AU pool formulas (Rule of 2,500, surface-area heat loss, monthly Sydney climate profile). Your quote will confirm exact figures for your site.

Your pool

Length (m)

Width (m)

Avg depth (m)

Volume: 48,000 L (48 m³) · Surface area: 32 m²

Climate zone

Thermal pool cover

Target water temp (°C)

Starting water temp (°C)

Months you want to heat per year7 months

Compare against your current heating

Electricity rate ($/kWh)

Heat pump efficiency (COP)

Modern inverter heat pumps deliver COP 5–7+ in Sydney conditions.

Your sizing & savings

Recommended heat pump size

22.1 kW

Rule of 2,500 × climate factor

Initial heat-up

Energy to lift water 10°C558 kWh thermal

Electricity drawn (via COP)93 kWh

Cost of initial heat-up$30

Approx. heat-up time25.5 hrs

Annual running cost (7 months)

Current cost (gas)$4,632

Cost with a heat pump$1,029

Estimated savings per year$3,602

Estimated 10-year savings$36,024

Uses AU industry formulas: E = V × ΔT × 4.184 kJ for heat-up, 0.06 × surface × ΔT for maintenance loss, cover retention ×0.30, and Sydney monthly ambient temperatures. Actual results vary with wind, shading and usage.

Get a tailored quote

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