List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the range of conditions. |
1. | Explain the impact of building thermal performance on domestic energy use to clients. | 1.1. | Building thermal performance is explained to clients. |
| 1.2. | Impact of building design and materials on thermal performance of building is identified and communicated to clients. |
| 1.3. | Relationship between building thermal performance, heating and cooling, and energy consumption is explained to clients. |
| 1.4. | Main uses of energy in buildings and the proportion attributed to heating and cooling are explained to clients. |
| 1.5. | Correct industry terminology for energy use is applied when communicating with clients. |
| 1.6. | Correct units of measurement are applied when describing power and energy. |
| 1.7. | Environmental and social impacts of energy use are explained to clients. |
2. | Explain the process of heat transfer in residential buildings to clients. | 2.1. | Heat transfer is explained to clients. |
2.2. | Meanings of key terms used to describe heat transfer are explained to clients. |
| 2.3. | Ways in which residential buildings lose and gain heat are explained to clients. |
3. | Explain factors that impact on thermal comfort to clients. | 3.1. | Thermal comfort and its use in building thermal performance assessments are explained to clients. |
| 3.2. | Physical factors that influence thermal comfort are explained to clients. |
| 3.3 | Requirements for thermal comfort are established based on occupant needs and are explained to clients. |
4. | Explain how climatic conditions influence residential building thermal performance to clients. | 4.1. | Major Australian climatic zones are identified and their key characteristics relevant to thermal performance assessments explained. |
| 4.2. | Types and uses of climate data used in carrying out thermal performance assessments are explained to clients. |
| 4.3. | Impact of local climatic conditions on building thermal performance is explained to clients. |
| | 4.4. | Ways of improving thermal performance appropriate to the relevant climatic zone are explained to clients. |
5. | Explain the role of passive design in improving thermal performance to clients. | 5.1. | Principles of passive design are explained to clients. |
| 5.2. | Application of principles of passive design to planned and existing residential buildings is explained to clients. |
| 5.3. | Factors that diminish the thermal performance of buildings are explained to clients. |
A person demonstrating competency in this unit must satisfy the requirements of the elements, performance criteria, foundation skills and range of conditions of this unit.
The person must also competently explain the principles of residential building thermal performance to two different clients.
In doing the above, the person must:
use correct terminology
explain the process of heat transfer in residential buildings, including the ways in which residential buildings lose and gain heat
explain the factors that impact on thermal comfort
explain how climatic conditions influence thermal performance of residential buildings, including the ways of improving thermal performance appropriate to particular climatic zones
explain the principles of passive design, their application in planned and existing residences, and the factors that diminish thermal performance.
A person demonstrating competency in this unit must demonstrate knowledge of:
Australian climatic zones:
characteristics of climatic zones
climate data used in thermal performance assessment:
diurnal temperature range
humidity
irradiance
maximum and minimum temperature
solar geometry
wind speed and direction
impact of climate on thermal performance of residential buildings
environmental and social impacts of energy use:
climate change
energy cost
energy security
global warming
greenhouse gas emissions:
operational costs
resource depletion
heat transfer in residential buildings:
impact on heating and cooling
mechanisms:
evaporation
radiation
convection
conduction
modelling
U and R-values of building materials
R-values of wall constructions
Nationwide House Energy Rating Scheme (NatHERS) scheme:
assessors
key features
NatHERS software tools:
accreditation
building and external elements included in a NatHERS thermal performance assessment
features and types of software tools
function
protocol
scope
objectives
passive building design principles:
building envelope
construction materials
construction methods
glazing
house plan ratio
insulation
orientation
thermal mass
ventilation
zoning
sources of information on climate
thermal comfort:
definition of thermal comfort
role of thermal comfort in building thermal performance assessments
influences on thermal comfort:
air movement
humidity
radiation
temperature
models of thermal comfort
requirements for thermal comfort
thermal sensitivity of individuals
thermal performance:
factors that diminish and enhance the thermal performance of buildings
impact of local climatic conditions on building thermal performance principles
relationship between building thermal performance, heating and cooling and energy consumption.
The following must be present and available to learners during assessment activities:
equipment:
computer equipment suitable for accessing online information on thermal performance of residential buildings
materials:
clients who require information on thermal performance of residential buildings
relevant codes, standards and government regulations
technical reference library with current publications on:
passive building design
thermal performance of building materials
building thermal performance
NatHERS
manufacturer product information on building products and materials
relationships with team members and supervisor:
assessment activities are performed on an individual basis under general supervision.
Assessor requirements
As a minimum, assessors must satisfy the assessor requirements in the Standards for Registered Training Organisations (RTOs) current at the time of assessment.