Seb Crangle is a sustainability consultant specializing in home energy efficiency and energy management. His work supports households to lower their energy consumption and carbon footprint, by implementing customized, practical solutions for a range of budgets.

He is an accredited assessor with the Residential Efficiency Scorecard program, assessing homes to provide energy ratings and improvement options. He also works as a consultant to the Victorian and NSW State Governments and locally has joined the Board of the organization Zero Emissions Byron.