The NatHERS Benchmark study engaged 344 NatHERS assessors who volunteered to assess one of four randomly-selected house plans in their chosen NatHERS software tool.
The Australian Skills Quality Authority (ASQA) has advised that accreditation of the course in Building Thermal Performance Assessment (Residential) NTIS code 91318NSW, expired on 30 June 2013. The course is no longer nationally accredited or a VET qualification.