Commercial Energy Reports

Due to our vast commercial energy rating experience we can determine the most appropriate method of compliance for your building.

As commercial buildings are extremely variable in function and size we employ a combination of Elemental Deemed to Satisfy methods using Section J of the NCC or 3D modelling software utilizing JV3 for the added benefit of material specification offsets.

What is a Section J report?

A Section J report assesses the energy efficiency of building materials that are used for the construction of a Class 3 to 9 building bench marked against a set criteria of performance values that are determined via the National Construction Code Volume 1 Section J.

When is a Section J Report required?

A Section J Report confirming a buildings compliance with the energy efficiency requirements of the NCC is required in order to attain a building permit. The report is included as part of the building permit application documentation to achieve energy compliance.

A Section J Report is required for the following types of buildings

  • Common areas in class 2 buildings
  • Class 3 residential buildings (if the total area of all floors exceeds 300m2 and/or there will be more than 12 residents in the building)
  • Class 5 office or administration buildings
  • Class 6 commercial retail buildings or restaurants
  • Class 7 car park or storage buildings
  • Class 8 industrial warehouses
  • Class 9 public assembly buildings

Energy Lab can also provide an alternative solution to the Deemed to Satisfy Section J report via a JV3 verification method. For information about the JV3 verification method of compliance please see below.

What is a JV3 report?

A JV3 Report is an assessment of a commercial building's ability to achieve compliance with the energy efficiency requirements of JV3 as an alternative solution to the elemental Deemed to Satisfy method.

At Energy Lab we use a 3D modelling software approach to JV3 which can be a more practical method of compliance in a number of circumstances such as buildings that contain large amounts of glazing or complex building designs.

Using software modelling allows for the upgrade of different building elements like wall and ceiling insulation in order to offset a loss in performance due to other construction elements like excessive amounts of glazing.

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