User Guides

User Manual and Transparency Document

This Impact Estimator for Buildings user manual is an overview of the software inner workings and the underlying databases. To view or download, click here

Athena Guide to Whole-Building LCA in Green Building Programs

The LCA credits in LEED®, Green Globes®, the IgCC and CALGreen are easier to achieve than they look. This guide demystifies the credits and explains how the Impact Estimator for Buildings makes compliance easy. To view or download, click here.

Read Me File

For product information, download and installation instructions, documentation updates and troubleshooting tips, please read the Read Me file.