This report evaluates the project H2eco by Essex & Suffolk Water. It is the second in this series of water efficiency studies focusing on the installation of water-saving devices within domestic properties of Chelmsford, central Essex. Following an initial mailing of 7238 customers, audits were carried out for 1439 properties. The follow-up questionnaires found that more than 97% of respondents were happy with the amount of information provided in the workbook. Among the products, the miracle tap and children’s pack were considered to be most successful.