Graham Energy is a sustainable building specialist and NatHERS-qualified energy rating consultant based in Hawthorn, Victoria, with over 17 years of experience. The firm provides thermal performance assessments and design advice to homeowners, builders, and architects to help them achieve their desired energy efficiency and thermal comfort outcomes. As an industry-recognized expert, the principal is accredited in all four NatHERS software tools and also provides training and technical support to other assessors.

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