This is Argonne National Laboratory’s R&D version of GREET.
For GREET versions used for determining tax credits, please click here.
A brief introduction to R&D GREET can be found here.

R&D GREET Building LCA Module

Click to save and extract the .xlsm file R&D GREET Building Module_2025.xlsm to your hard drive.

December 23, 2025
R&D GREET Building LCA Module 2025

The GREET team at the Life Cycle Analysis and Technology Assessment Department of Argonne National Laboratory is pleased to announce release of a new R&D GREET Building LCA Module.

The R&D GREET Building LCA Module is designed to conduct and compare detailed and transparent LCA of building materials/components/technologies, as well as whole buildings and building designs.

Go to the installation instruction section

Documentation
Documents
  • R&D GREET Building LCA Module: Technical Report (2.2 MB pdf)
  • R&D GREET Building LCA Module: User Guide (2.7 MB pdf)

R&D GREET Building LCA Module Downloads

The R&D GREET Building LCA Module is developed with Microsoft Office 365. For best performance of the Module, we highly recommend using Microsoft Office 365 to run the Module.

To download:
  • Click to save the .xlsm file R&D GREET Building Module_2025.xlsm to your hard drive.
  • To open R&D GREET Building LCA Module:
  • Double click on the file "GREET Building LCA Module_2025.xlsm," and choose to "Enable Macros," if prompted, then press F9 before running model.

  • Prior Versions
    Downloads
    - R&D GREET Building LCA Module 2024 - Released: January 10, 2024
    - R&D GREET Building LCA Module 2022 - Released: October 11, 2022
    - R&D GREET Building LCA Module 2021r1 - Released: October 26, 2021
    - R&D GREET Building LCA Module 2021 - Released: October 11, 2021