CPPHES4004Conduct thermal performance assessment of residential buildings

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What an assessment for CPPHES4004 must cover

45 assessable components: 5 elements (25 performance criteria), 8 performance evidence and 8 knowledge evidence requirements, plus 4 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare for thermal performance assessment.

  • 1.1Consult with client to confirm scope and purpose of assessment and respond to questions to clarify issues and concerns.
  • 1.2Research and apply jurisdictional regulatory and NatHERS requirements to planned thermal performance assessment.
  • 1.3Obtain documentation and drawings for the assessment and review to verify consistency and sufficiency to meet software, NatHERS technical notes and regulatory requirements.
  • 1.4Refer inconsistencies in documentation or drawings back to client for clarification and amendment.
  • 1.5Request additional information required to conduct assessment to meet client and regulatory requirements.
  • 1.6Check computer equipment to ensure correct operation and confirm that software version and libraries are up to date according to regulatory requirements.

2 Collate and input information into NatHERS software tool.

  • 2.1Extract information required for input into software tool from building documentation and NatHERS technical notes.
  • 2.2Enter extracted information into software tool according to regulatory requirements for the building.
  • 2.3Enter information on non-standard building materials and designs, alterations and additions correctly according to software and regulatory requirements.
  • 2.4Check inputted data and make necessary adjustments to ensure accuracy and compliance with regulatory requirements.

3 Model thermal performance of building.

  • 3.1Apply software tool functions to model thermal performance of building.
  • 3.2Run simulation to determine if the building’s potential thermal performance complies with regulatory requirements.
  • 3.3Check simulation against latest documentation set and amend identified discrepancies.
  • 3.4Analyse software tool outputs to clarify assumptions, identify limitations and correct errors in data entry.
  • 3.5Interpret software tool outputs and profile building’s thermal performance.

4 Identify options to improve thermal performance of building.

  • 4.1Analyse strengths and weaknesses in thermal performance of building.
  • 4.2Access technical advice and identify cost effective options for improving thermal performance considering outputs of thermal performance assessment, practicality and type of building.
  • 4.3Identify interactions of identified improvements on other aspects of building performance.
  • 4.4Use software tool to reassess building and impact of identified options on thermal performance.

5 Report and certify thermal performance assessment outcomes.

  • 5.1Finalise thermal performance assessment and collate design and assessment documentation in line with regulatory requirements in relevant jurisdictions and for auditing and quality assurance.
  • 5.2Write up options and recommendations for achieving required energy efficiency rating according to regulatory requirements.
  • 5.3Discuss assessment outcomes with relevant persons and obtain approval to proceed with certification according to organisational requirements.
  • 5.4Submit NatHERS report through required portal to generate universal certificate.
  • 5.5Confirm stamping is complete and secure documentation according to regulatory requirements.
  • 5.6Store assessment documentation in accordance with regulatory requirements to enable recovery for audit and quality assurance purposes.

Performance evidence

  • Use an accredited Nationwide House Energy Rating Scheme (NatHERS) software tool to conduct thermal performance assessments of six residential buildings.
  • Assessments must be conducted in accordance with the requirements of the software, technical notes and jurisdictional regulatory requirements.
  • The buildings assessed must include different designs appropriate to a tropical, a temperate and a cold climate zone.
  • The buildings assessed must include a variety of building materials and designs appropriate to the climate zone.
  • The buildings must incorporate one single story dwelling (a minimum of three bedrooms).
  • The buildings must incorporate one double storey dwelling (a minimum of three bedrooms).
  • The buildings must incorporate an apartment unit (two bedrooms) in a Class 2 building modelled as: a ground floor unit over a basement/carpark, a middle level unit with neighbouring units above and below, and a top floor unit with a roof over.
  • The buildings must incorporate one alteration works that includes an addition to one of the above dwellings.

Knowledge evidence

  • Australian climate zones, characteristics and data used in thermal performance assessments
  • design features that influence the thermal comfort of buildings
  • energy units of measurement and terminology associated with thermal performance assessments: energy efficiency, heating and cooling loads, solar heat gain coefficient (SHGC) and U-value, R values
  • options to improve the thermal performance of buildings: construction materials, draughtproofing, floor coverings, insulation levels, landscaping and plantings, orientation, overshadowing, passive heating and cooling, shade, structural changes, thermal mass, ventilation, window size, location, type and coverings
  • passive design and thermal performance principles: glazing, insulation, orientation, passive cooling, passive solar heating, shading, skylights, thermal mass, building sealing, thermal bridging and breaks
  • regulatory and jurisdictional requirements for thermal performance assessments of residential buildings categorised as Class 1, 2, 4 and 10a of the National Construction Code (NCC)
  • thermal performance properties of common building materials: solar absorptance, heat transfer coefficients and U-values, material thickness, reflectivity, resistance heat flow up and down, solar heat gain coefficient and emissivity, thermal bridging and breaks, thermal resistance and R-values
  • types and operation of NatHERS accredited software tools: assumptions and limitations as to what can be assessed which are inherent in NatHERS software protocols and accredited software, building and external elements included in NatHERS thermal performance assessments

Foundation skills

  • numeracy skills: to interpret thermal performance outputs including U-values and R-values
  • reading skills: to interpret a variety of texts including regulations, codes, technical notes and building plans and specifications
  • writing skills: to complete standard forms and generate business correspondence and reports
  • problem-solving skills: to: make recommendations based on the outputs of NatHERS software tools; determine optional improvements to thermal performance

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing CPPHES4004

What does an assessment tool for CPPHES4004 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for CPPHES4004 needs to address all 45 unit components: 5 elements with 25 performance criteria, 8 performance evidence requirements, 8 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for CPPHES4004?

Auditori pulls the current release of CPPHES4004 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for CPPHES4004 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing CPPHES4004 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of CPPHES4004, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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