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International

Rmi Outlet

Commercial Buildings

Achieving Passivhaus Standard in North America: Lessons Learned

To help mitigate climate change, the incremental approach to making homes and buildings less bad or 30% better than code is not going to work. We need aggressive, actionable solutions now. The Passive House standard (Passivhaus in German) is one of the world’s most aggressive, proven, voluntary approaches to radical…

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…

Big Pipes, Small Pumps: Interface, Inc. Factor Ten Engineering Case Study

This story of Interface Inc.’s Shanghai plant illustrates the pitfalls of the conventional design process—and the remarkable gains that are possible by rethinking basic assumptions. This paper describes how the lead designer Jan Schilham created a radical new layout with shorter, fatter pipes and smaller pumps to save nearly 90…

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…

Deep Energy Retrofit of Commercial Buildings: A Key Pathway Toward Low-Carbon Cities

Energy efficiency of commercial buildings is a fundamental part of the solution for developing low carbon cities worldwide. Existing commercial buildings consume significant energy, as well as presenting great requirements and opportunities for energy-efficient retrofits. This article introduces an approach tocommercial building retrofits that achieve large energy savings with attractive…