The National Australian Built Environment Rating System (NABERS) is Australia government program to compare the performance of a building or tenancy to benchmarks of other similar buildings in the same location. NABERS can assess energy efficiency, greenhouse gas, water efficiency, waste efficiency and indoor environment quality.
NABERS ratings are included in the Commercial Building Disclosure (CBD) Program. This is regulation which requires most sellers and lessors of office space of 1000 square metres or more to have a Building Energy Efficiency Certificate (BEEC).The NABERS Energy rating on a BEEC includes a star rating and annual building energy consumption and greenhouse gas emission details