To reduce the energy used by central systems in multi-dwelling developments:
- choose an efficient central hot water system;
- choose an efficient central cooling system;
- choose an efficient central heating system;
- install a central alternative energy source to offset some or all of the energy demand;
- choose suitable and efficient lifts;
- choose efficient pool and spa heating systems;
- operate pools and spas (especially pumps) efficiently;
- choose efficient sauna heating systems and operate them efficiently;
- install a Building Management System; and
- install active power factor correction.
Additionally, for common areas in multi-dwelling developments:
- provide common clothes drying lines if individual ones are not provided;
- provide efficient common clothes drying facilities that use an energy source with low greenhouse-gas intensity; and
- provide energy and water efficient common clothes washing facilities.