does it address water objectives?
Focuses on bare minimums to
ensure occupants’ health.
Clause G12 refers to water
supply and considerations to ensure it is safe.
Clause G13 discusses foul
water and related provisions to safeguard people from illness.
Performance targets are not
set for residential buildings within the Building Code.
Buildings need to achieve net
positive water which means all the building’s water needs must be supplied by
natural closed-loop water systems.
All grey and blackwater needs
to be treated on site.
100% of the project’s water needs must be supplied via rainwater or by
recycling used project water, and purified without the use of chemicals.
There are no mandatory water
considerations as part of the Net Zero Energy certification.
Addresses water objectives in terms of reduced water consumption and
better water management.
Focuses on the selection of the right technologies and efficient
fixtures and fittings to achieve reductions on water usage.
The ‘Water’ category accounts for 15% of the points in the Homestar
Specific water targets are not set for Homestar.
There are no water
considerations as part of the Passive House standard, only those related to
the energy used in heating water.
Standard of Sustainability (HSS)
Water consumption is one of the five benchmarks set by the HSS.
The target is a starting point based on national data and Beacon’s
demonstration projects, and it is meant to evolve over time.
Water consumption from the mains needs to be no more than 125 litres
per person per day for both new and existing homes.