LEED v4 Indoor Water Use Reduction Calculator

Project teams can complete the USGBC Indoor Water Use Reduction Calculator for LEED v4 BD+C and ID+C WE Prerequisite Indoor Water Use Reduction and LEED v4 BD+C and ID+C WE Credit Indoor Water Use Reduction usage-based calculations as well as LEED v4 O+M WE Prerequisite Indoor Water Use Reduction and LEED v4 O+M WE Credit Indoor Water Use Reduction Option 1. 

The calculator includes assumptions for baseline water use. Use the summary tab in the calculator to complete the form in LEED Online.

Minimum Indoor Air Quality Performance Calculator

The Minimum Indoor Air Quality Performance Calculator can be used for projects using ASHRAE 62.1 to comply with LEED BD+C, ID+C and O+M EQ Prerequisite Minimum Indoor Air Quality Performance, EQ Credit Increased Ventilation, and EQ Credit Enhanced Indoor Air Quality Strategies, Option 2, Strategy B: Increased Ventilation, as well as LEED Homes and Multifamily Midrise EQ Prerequisite Ventilation. The calculator accommodates all ventilation types (multiple zone, single-zone, 100% outside air) in one spreadsheet.