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The Green Building XML schema, or “gbXML”, is the language of buildings. It was developed to facilitate the transfer of building information stored in CAD-based building information models, enabling interoperability between disparate building design and engineering analysis software tools. This is all in the name of helping architects, engineers, and energy modelers to design more energy efficient buildings.

Today, gbXML has the industry support and wide adoption by leading Building Information Modeling (BIM) vendors including Autodesk, Trimble, Graphisoft, and Bentley. With the development of export and import capabilities in over 50 engineering and analysis modeling tools, gbXML has become a defacto industry standard schema. Its use dramatically streamlines the transfer of building information to and from architectural and engineering models, eliminating the need for time consuming plan take-offs. This removes a significant cost barrier to designing sustainable and energy efficient buildings. It enables building design teams to truly collaborate and realize the potential benefits of Building Information Modeling.

In June of 2000, the gbXML schema was submitted by a company called Green Building Studio for inclusion in aecXML(TM), the industry-led initiative launched by Bentley Systems. Shortly thereafter, gbXML became the draft schema for the Building Performance & Analysis Working Group.

In 2009, gbXML was spun off from Green Building Studio to become a stand-alone entity and things really took off then: funding was secured, the schema was drastically improved, a new website was launched, and a community of thousands of architects, engineers, and energy modelers attended live webinars explaining the benefits of gbXML. Today, gbXML is funded by organizations such as the U.S. Department of Energy, the National Renewable Energy Lab (NREL), Autodesk, ASHRAE, Bentley Systems, and others. Click here to view a detailed timeline of the history of gbXML.

United States
Whole Building Energy Simulation, Weather Data and Climate Analysis, Building Energy Benchmarking
Commercial
gbXML, BIM, gbXML import
English
Linux, Windows, Mac OS X, Web/Saas
Free, Open Source
Free Email Support, Free Phone Support
October 12, 2020
Energy modeling, some software scripting knowledge
Energy modelers, engineers
Building Information Model from BIM authoring tool like Revit
XML file with building geometry and other building characteristics.
Allows for building information to be shared between 50+ software tools.

Major Capabilities:

Building Type:

The Green Building XML schema, or “gbXML”, is the language of buildings. It was developed to facilitate the transfer of building information stored in CAD-based building information models, enabling interoperability between disparate building design and engineering analysis software tools. This is all in the name of helping architects, engineers, and energy modelers to design more energy efficient buildings.

Today, gbXML has the industry support and wide adoption by leading Building Information Modeling (BIM) vendors including Autodesk, Trimble, Graphisoft, and Bentley. With the development of export and import capabilities in over 50 engineering and analysis modeling tools, gbXML has become a defacto industry standard schema. Its use dramatically streamlines the transfer of building information to and from architectural and engineering models, eliminating the need for time consuming plan take-offs. This removes a significant cost barrier to designing sustainable and energy efficient buildings. It enables building design teams to truly collaborate and realize the potential benefits of Building Information Modeling.

In June of 2000, the gbXML schema was submitted by a company called Green Building Studio for inclusion in aecXML(TM), the industry-led initiative launched by Bentley Systems. Shortly thereafter, gbXML became the draft schema for the Building Performance & Analysis Working Group.

In 2009, gbXML was spun off from Green Building Studio to become a stand-alone entity and things really took off then: funding was secured, the schema was drastically improved, a new website was launched, and a community of thousands of architects, engineers, and energy modelers attended live webinars explaining the benefits of gbXML. Today, gbXML is funded by organizations such as the U.S. Department of Energy, the National Renewable Energy Lab (NREL), Autodesk, ASHRAE, Bentley Systems, and others. Click here to view a detailed timeline of the history of gbXML.

United States
Whole Building Energy Simulation, Weather Data and Climate Analysis, Building Energy Benchmarking
Commercial
gbXML, BIM, gbXML import
English
Linux, Windows, Mac OS X, Web/Saas
Free, Open Source
Free Email Support, Free Phone Support
October 12, 2020
Energy modeling, some software scripting knowledge
Energy modelers, engineers
Building Information Model from BIM authoring tool like Revit
XML file with building geometry and other building characteristics.
Allows for building information to be shared between 50+ software tools.

The Green Building XML schema, or “gbXML”, is the language of buildings. It was developed to facilitate the transfer of building information stored in CAD-based building information models, enabling interoperability between disparate building design and engineering analysis software tools. This is all in the name of helping architects, engineers, and energy modelers to design more energy efficient buildings.

Today, gbXML has the industry support and wide adoption by leading Building Information Modeling (BIM) vendors including Autodesk, Trimble, Graphisoft, and Bentley. With the development of export and import capabilities in over 50 engineering and analysis modeling tools, gbXML has become a defacto industry standard schema. Its use dramatically streamlines the transfer of building information to and from architectural and engineering models, eliminating the need for time consuming plan take-offs. This removes a significant cost barrier to designing sustainable and energy efficient buildings. It enables building design teams to truly collaborate and realize the potential benefits of Building Information Modeling.

In June of 2000, the gbXML schema was submitted by a company called Green Building Studio for inclusion in aecXML(TM), the industry-led initiative launched by Bentley Systems. Shortly thereafter, gbXML became the draft schema for the Building Performance & Analysis Working Group.

In 2009, gbXML was spun off from Green Building Studio to become a stand-alone entity and things really took off then: funding was secured, the schema was drastically improved, a new website was launched, and a community of thousands of architects, engineers, and energy modelers attended live webinars explaining the benefits of gbXML. Today, gbXML is funded by organizations such as the U.S. Department of Energy, the National Renewable Energy Lab (NREL), Autodesk, ASHRAE, Bentley Systems, and others. Click here to view a detailed timeline of the history of gbXML.

United States
Whole Building Energy Simulation, Weather Data and Climate Analysis, Building Energy Benchmarking
Commercial
gbXML, BIM, gbXML import
English
Linux, Windows, Mac OS X, Web/Saas
Free, Open Source
Free Email Support, Free Phone Support
October 12, 2020
Energy modeling, some software scripting knowledge
Energy modelers, engineers
Building Information Model from BIM authoring tool like Revit
XML file with building geometry and other building characteristics.
Allows for building information to be shared between 50+ software tools.