Technology: Rainwater and Greywater Use in Buildings

 - Klaus W. König

In areas with water shortages, the use of greywater and rainwater will become increasingly important in the future. The systems needed are not very complex but require sound planning. Whether they offer economic as well as ecological benefits depends on political factors and subsidy programmes.

Technology: Rainwater and Greywater Use in Buildings
Slotted screen filter for installation in a rainwater cistern. The filters keep the roof runoff water free from contaminants such as leaves, blossoms or sand. © Mall GmbH