The New Rouse Hill will incorporate a range of solutions designed to keep the community eco-friendly and sustainable: Gas-boosted solar hot water to the majority of homes. Recycled water for gardens and toilet flushing. Passive solar orientation of homes and buildings to maximise light and airflow and reduce the need for excessive heating or cooling, saving you money. Extensive use of recycled materials Extensive use of energy-efficient lighting Water conservation measures Regeneration of Caddies Creek and plantings using drought-tolerant flora native to your community. Building streets, roads and parks designed to return cleaner, high-quality water into the natural drainage and creek systems.