Study of Water Conservation Evaluate for Green Building

Green building is being paid more attention at present with the development of resource economizing social, and there are wider development space for water conservation technology. Water conservation evaluation is accordingly becoming an important part in green building study. A green residential area, which including a series of water conservation project is selected as a study case. With evaluating its water conservation of incremental cost, rainwater utilization and comprehensive benefit, the paper aims at consulting on the investment decision in green building's water conservation technology to reduce the environmental impact on the earth due to water consumption and wastewater discharge.