Evaluating the Benefits and Costs of Increased Water-Use Efficiency in Commercial Buildings

TL;DRAbstract

This report presents an analytical framework and a spreadsheet-based tool to help commercial building owners select water-efficiency investments. It considers costs typically incurred when improving efficiency and includes many tangible financial benefits. The report examines a specific building with two configurations of devices. The case with pre-1992 fixtures benefited from upgrading to 1992 standards and replacing urinals with non-water-using designs; the case with newer fixtures did best to do the latter alone.

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