Guides
Guides for HPWH compliance, testing, and scheme registration
Guidance for heat pump water heater manufacturers, importers, and test labs preparing products for the Australia and New Zealand market.
Guides section
Scheme Registration Pathways
Understand which Australian or New Zealand registration pathway applies to your product and market.
Australian Energy Incentive Schemes Overview
An overview of Australian federal and state government incentive schemes for solar and heat pump water heaters, including SRES, VEU, and ESS.
Read guide →How To Register a Heat Pump Water Heater for STCs
Step-by-step guide to registering a heat pump water heater with the Clean Energy Regulator to earn Small-scale Technology Certificates (STCs).
Read guide →How To Register a Residential HPWH for VEECs
Guide to registering a residential heat pump water heater for Victorian Energy Efficiency Certificates (VEECs) under the VEU program.
Read guide →Registering Commercial HPWHs for VEU (VEECs) and ESS (ESCs): 2026 Guide
A complete 2026 guide to registering commercial heat pump water heaters for the Victorian Energy Upgrades (VEU) and NSW Energy Saving Scheme (ESS).
Read guide →Commercial HPWH Scheme Registration: FAQ
Frequently asked questions about registering commercial heat pump water heaters for Australian energy incentive schemes.
Read guide →Bringing your Australian-certified HPWH to New Zealand: a compliance roadmap
A step-by-step compliance roadmap for bringing an Australian-certified heat pump water heater to the New Zealand market.
Read guide →How To Register a Residential HPWH for ESCs
Guide to registering a residential heat pump water heater for Energy Savings Certificates (ESCs) under the NSW Energy Savings Scheme.
Read guide →Registering a White-Label HPWH for STCs, VEECs, and ESCs
How Australian importers can register an already-certified HPWH model under their own brand for STC, VEEC, and ESC incentive schemes, without repeating testing or modelling.
Read guide →Guides section
Standards, Testing & Certification
Prepare compliant test evidence for HPWH performance, safety, certification, and scheme modelling.
Understanding Standards: AS/NZS 4234
An explanation of AS/NZS 4234, the standard for annual performance assessment of solar and heat pump water heaters used in Australian incentive scheme calculations.
Read guide →Understanding Standards: AS/NZS 5125.1
An overview of AS/NZS 5125.1, the standard for assessing the performance of heat pump water heaters used in Australian and New Zealand compliance testing.
Read guide →How to Select EN 14511 Test Conditions for Commercial VEU & ESS Incentive Scheme Modelling
Technical guide for selecting the optimal EN 14511 test conditions to characterise your commercial heat pump water heater
Read guide →Legionella Compliance for Heat Pump Water Heaters
What the 60°C storage requirement means for HPWH product specification, refrigerant choice, and commercial installation obligations in Australia and New Zealand.
Read guide →Guides section
Documentation Requirements
Know which manuals, drawings, reports, labels, certificates, and declarations are needed before submission.
Residential HPWH Documentation Checklist
Documents manufacturers and importers should prepare before residential HPWH modelling and SRES, VEU, or ESS applications.
Read guide →Commercial HPWH Documentation Checklist
Documents required for commercial HPWH modelling and VEU Activity 44 or ESS IHEAB applications.
Read guide →Common Document Consistency Issues in HPWH Registration
Frequent document mismatches that delay HPWH modelling, testing review, and scheme applications.
Read guide →Solar Water Heater Documentation Checklist
Documents manufacturers and importers should prepare before residential solar water heater modelling and SRES, VEU, or ESS submission.
Read guide →Guides section
Heat Pump Product Fundamentals
Build the technical foundation needed to make better product, testing, and compliance decisions.
Understanding Compressors for Heat Pump Water Heaters
A practical explanation of fixed speed and variable speed compressors for heat pump water heaters, covering COP dynamics, refrigerant interactions, and implications for scheme registration.
Read guide →Integral vs Separate Heat Pump Water Heaters
How integral and separate HPWH designs differ, and why the distinction matters for testing, modelling, and scheme registration.
Read guide →Refrigerants Used in Heat Pump Water Heaters
A practical comparison of common HPWH refrigerants and the registration evidence affected by refrigerant choice.
Read guide →Tank Heat Loss and Thermal Stratification Basics
Why tank heat loss and stratification matter for HPWH modelling, test evidence, and certificate outcomes.
Read guide →Control Settings for Heat Pump Water Heaters
How to choose setpoint, dead-band, and legionella control strategy for integral and stand-alone HPWHs, and what these choices mean for energy efficiency, hot water availability, and scheme compliance.
Read guide →Guides section
Modelling & Application Preparation
Learn how modelling results, audit files, and application evidence come together before scheme submission.
What Happens During AS/NZS 4234 Modelling
How EnergyAE uses test reports, drawings, controls, and product evidence to model HPWH performance under AS/NZS 4234.
Read guide →How Residential HPWH Results Become STCs, VEECs, and ESCs
How residential AS/NZS 4234 modelling results are used for SRES, VEU, and ESS product registrations.
Read guide →How Commercial HPWH Results Become VEEC and ESC Certificates
How commercial HPWH modelling results are used for VEU Activity 44 and ESS IHEAB applications.
Read guide →What to Expect After HPWH Scheme Submission
What manufacturers and importers should expect after residential or commercial HPWH scheme applications are lodged.
Read guide →Project support
Need help preparing a registration?
EnergyAE can help review your evidence, plan testing, model results, and prepare scheme applications.