RMI Outlet

Residential Buildings

Collaborate and Capitalize: Post-Report from the BEM Innovation Summit

In 2011, RMI convened an invited group of key stakeholders within the building energy modeling (BEM) community to increase collaboration and develop implementation plans to address key barriers. This report describes the motivation for convening the BEM Innovation Summit; provides a recap of the group events and discussions; provides a…

Green Footstep: Calculations and Data Sources

Green Footstep is an online assessment tool for reducing carbon emissions from building construction projects and is publicly available at greenfootstep.org. The Green Footstep tool guides the user through the process of life cycle carbon assessment, and then reveals how users can theoretically reduce the net carbon emissions. Some description…

Lovins GreenHome 1.0: Factor Ten Engineering Case Study

Amory Lovins’s state-of-the-art green home and indoor growing space at 7,100 feet is remarkably energy efficient, includes several renewable technologies, and has no conventional heating and cooling system. The building demonstrates several principles of factor-ten engineering. This paper provides a detailed case study of the building.

Pulling the Levers on Existing Buildings: A Simple Method for Calibrating Hourly Energy Models

Comprehensive building retrofits require an investment grade audit in conjunction with a calibrated hourly energy model. Even with the most thorough audit processes, uncertainty still remains when identifying and modeling building parameters. This uncertainty propagates throughout the final calibrated model and affects the quality of the energy saving estimates. This…