35484 Approved Plans Ba · MCU21/0222.01

     0008783052-01 NatHERS Certificate                            6.1 Star Rating as of 24 Jul 2023


      Explanatory notes
                                                                                               AAOs have specific quality assurance processes in place, and continuing
      About this report                                                                        professional development requirements, to maintain a high and consistent
      A NatHERS rating is a comprehensive, dynamic computer modelling                          standard of assessments across the country. Non-accredited assessors do not
      evaluation of a home, using the floorplans, elevations and specifications to             have this level of quality assurance or any ongoing training requirements.
      estimate an energy load. It addresses the building layout, orientation and               Any questions or concerns about this report should be directed to the
      fabric (i.e. walls, windows, floors, roofs and ceilings), but does not cover the         assessor in the first instance. If the assessor is unable to address these
      water or energy use of appliances or energy production of solar panels.                  questions or concerns, the AAO specified on the front of this certificate should
      Ratings are based on a unique climate zone where the home is located and                 be contacted.
      are generated using standard assumptions, including occupancy patterns and
      thermostat settings. The actual energy consumption of a home may vary                    Disclaimer
      significantly from the predicted energy load, as the assumptions used in the
                                                                                               The format of the NatHERS Certificate was developed by the NatHERS
      rating will not match actual usage patterns. For example, the number of
                                                                                               Administrator. However the content of each individual certificate is entered and
      occupants and personal heating or cooling preferences will vary.
                                                                                               created by the assessor to create a NatHERS Certificate. It is the
      While the figures are an indicative guide to energy use, they can be used as a           responsibility of the assessor who prepared this certificate to use NatHERS
      reliable guide for comparing different dwelling designs and to demonstrate that          accredited software correctly and follow the NatHERS Technical Notes to
      the design meets the energy efficiency requirements in the National                      produce a NatHERS Certificate.
      Construction Code. Homes that are energy efficient use less energy, are
                                                                                               The predicted annual energy load in this NatHERS Certificate is an estimate
      warmer on cool days, cooler on hot days and cost less to run. The higher the
                                                                                               based on an assessment of the building by the assessor. It is not a prediction
      star rating the more thermally efficient the dwelling is.
                                                                                               of actual energy use, but may be used to compare how other buildings are
                                                                                               likely to perform when used in a similar way.
      Accredited assessors
                                                                                               Information presented in this report relies on a range of standard assumptions
      To ensure the NatHERS Certificate is of a high quality, always use an                    (both embedded in NatHERS accredited software and made by the assessor
      accredited or licenced assessor. NatHERS accredited assessors are members                who prepared this report), including assumptions about occupancy, indoor air
      of a professional body called an Assessor Accrediting Organisation (AAO).                temperature and local climate.
      Australian Capital Territory (ACT) licensed assessors may only produce                   Not all assumptions that may have been made by the assessor while using the
      assessments for regulatory purposes using software for which they have a                 NatHERS accredited software tool are presented in this report and further
      licence endorsement. Licence endorsements can be confirmed on the ACT                    details or data files may be available from the assessor.
      licensing register

      Glossary
      Annual energy load                                 the predicted amount of energy required for heating and cooling, based on standard occupancy assumptions.
                                                         the floor area modelled in the software for the purpose of the NatHERS assessment. Note, this may not be
      Assessed floor area
                                                         consistent with the floor area in the design documents.
                                                         features that require a penetration to the ceiling, including downlights, vents, exhaust fans, rangehoods, chimneys
      Ceiling penetrations                               and flues. Excludes fixtures attached to the ceiling with small holes through the ceiling for wiring, e.g. ceiling fans;
                                                         pendant lights, and heating and cooling ducts.
                                                         a zone within a dwelling that is expected to require heating and cooling based on standard occupancy
      Conditioned
                                                         assumptions. In some circumstances it will include garages.
                                                         windows listed in NatHERS software that are available on the market in Australia and have a WERS (Window
      Custom windows
                                                         Energy Rating Scheme) rating.
                                                         windows that are representative of a specific type of window product and whose properties have been derived by
      Default windows
                                                         statistical methods.
                                                         these signify ventilation benefits in the modelling software and must not be modelled as a door when opening to a
      Entrance door
                                                         minimally ventilated corridor in a Class 2 building.
                                                         terrain with no obstructions e.g. flat grazing land, ocean-frontage, desert, exposed high-rise unit (usually above 10
      Exposure category – exposed
                                                         floors).
                                                         terrain with few obstructions at a similar height e.g. grasslands with few well scattered obstructions below 10m,
      Exposure category – open
                                                         farmland with scattered sheds, lightly vegetated bush blocks, elevated units (e.g. above 3 floors).
                                                         terrain with numerous, closely spaced obstructions below 10m e.g. suburban housing, heavily vegetated bushland
      Exposure category – suburban
                                                         areas.
      Exposure category – protected                      terrain with numerous, closely spaced obstructions over 10 m e.g. city and industrial areas.
                                                         provides shading to the building in the horizontal plane, e.g. eaves, verandahs, pergolas, carports, or overhangs
      Horizontal shading feature
                                                         or balconies from upper levels.
      National Construction Code                         the NCC groups buildings by their function and use, and assigns a classification code. NatHERS software models
      (NCC) Class                                        NCC Class 1, 2 or 4 buildings and attached Class 10a buildings. Definitions can be found at www.abcb.gov.au.
                                                         the openability percentage or operable (moveable) area of doors or windows that is used in ventilation
      Opening percentage
                                                         calculations.
                                                         an assumed value that does not represent an actual value. For example, if the wall colour is unspecified in the
      Provisional value                                  documentation, a provisional value of ‘medium’ must be modelled. Acceptable provisional values are outlined in
                                                         the NatHERS Technical Note and can be found at www.nathers.gov.au
                                                         can be applied to walls, roofs and ceilings. When combined with an appropriate airgap and emissivity value, it
      Reflective wrap (also known as foil)
                                                         provides insulative properties.
                                                         for NatHERS this is typically an operable window (i.e. can be opened), will have a plaster or similar light well if
      Roof window
                                                         there is an attic space, and generally does not have a diffuser.
      Shading device                                     a device fixed to windows that provides shading e.g. window awnings or screens but excludes eaves.
      Shading features                                   includes neighbouring buildings, fences, and wing walls, but excludes eaves.
                                                         the fraction of incident solar radiation admitted through a window, both directly transmitted as well as absorbed
      Solar heat gain coefficient (SHGC)                 and subsequently released inward. SHGC is expressed as a number between 0 and 1. The lower a window’s
                                                         SHGC, the less solar heat it transmits.
      Skylight (also known as roof lights)               for NatHERS this is typically a moulded unit with flexible reflective tubing (light well) and a diffuser at ceiling level.
      U-value                                            the rate of heat transfer through a window. The lower the U-value, the better the insulating ability.
                                                         a zone within a dwelling that is assumed to not require heating and cooling based on standard occupancy
      Unconditioned
                                                         assumptions.
                                                         provides shading to the building in the vertical plane and can be parallel or perpendicular to the subject
      Vertical shading features                          wall/window. Includes privacy screens, other walls in the building (wing walls), fences, other buildings, vegetation
                                                         (protected or listed heritage trees).




* Refer to glossary.                                                                                                                                                        Page 15 of 15
Generated on 24 Jul 2023 using BERS Pro v4.4.1.5 (3.21) for David Low Way , Sunrise Beach , QLD , 4567