Home Design Guides: Energy and water management, Plumbing

A well designed plumbing system can offer significant water and energ

In most plumbing setups, it takes a while for hot water to reach the hot tap when it's turned on. Cold water diverters recycle the cold water which would otherwise pour down the drain in this time.

Water-producing bathroom fittings in Australia need to comply with basic water-efficiency standards. As a part of the WELS scheme, they are rated and given a label that shows how efficient they are.

See how lagging (insulation) and the distance that hot water has to travel through your pipes can affect energy efficiency in your hot water system.

Just because water from the tap has been used, it doesn't mean it can't be used again. See how grey water systems can help reduce your water waste.

Find out what the law says about the installation and operation of water meters, how they work, and what you can and can't do with them.

See what the law says about water sub metering for apartment blocks, and using smart meters to assess and manage your water usage.