Calculators
Incentive scheme calculators
Estimate the number of certificates your heat pump water heater products are eligible for under Australian federal and state incentive schemes.
Commercial HPWH range estimator (VEU + ESS)
Estimate the VEEC (Victoria) and ESC (NSW) certificate range for a 10–200 kW commercial HPWH from its capacity, tank and refrigerant — predicted from EnergyAE modelling, shown as a typical midpoint and P10–P90 range.
Open calculator →SRES Calculator
Calculate the number of Small-scale Technology Certificates (STCs) eligible for residential heat pump water heaters on the CER Register.
Open calculator →VEU Residential (1D/3C)
Calculate VEECs for residential HPWH replacing an electric water heater (1D) or gas water heater (3C) under the Victorian Energy Upgrades program.
Open calculator →VEU Commercial (44A)
Calculate VEECs for commercial HPWH installations under VEU Part 44 activity — replacing gas (44Ai), replacing electric (44Aii), or new install (44Aiii).
Open calculator →ESS Residential (D17/D19)
Calculate Energy Saving Certificates (ESCs) for residential HPWH replacing an electric water heater (D17) or gas water heater (D19) under the NSW ESS.
Open calculator →ESS Commercial HPWH (F16/F17)
Calculate ESCs for commercial HPWH activities F16 (replacing gas/electric water heater) and F17 (new HPWH install) on the IPART Registry.
Open calculator →Need a more detailed calculation?
These calculators provide estimates based on published register data. For full AS/NZS 4234 modelling, product registration support, or optimised certificate calculations, get in touch with our team.
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