# Building Directory
### Page Overview
The Building Directory serves as your page to view and manage your building projects. The left pane displays a comprehensive list of all your projects, where you filter, sort, and search for specific buildings. You use the map view on the right to locate your project geographically. When you select a project from the list or map, a snapshot of the project and its key sustainability metrics appears in the building performance overview popup.
### Building Performance Overview
This summary includes the building’s embodied carbon rating, embodied carbon intensity, total energy use intensity (TEUI), and Energy Star rating.
The **Embodied Carbon Rating** (a letter rating from A to G) is based on the Carbon Heroes Benchmark, which provides localized embodied carbon benchmarks for different building types, excluding MEP (Mechanical, Electrical, and Plumbing), across various countries. These benchmarks consider cradle-to-grave emissions (A1-A4, B4-5, C1-C4) and rely on thousands of anonymized industry-standard building projects.
**Embodied Carbon Intensity** measures the carbon emissions associated with materials and construction processes. By default the life cycle stages considered here are A1-A3.
**The Total Energy Use Intensity (TEUI)** is the net energy used by the building divided by its floor area. Similar to embodied carbon intensity, the more details you provide, the more accurate the energy model and TEUI calculations become. Learn more about energy modeling calculations and assumptions in the [Energy Model](https://docs.trytuuli.com/calculations-and-assumptions/energy-model) page.
The 1-100 **Energy Star Score** gives you a quick understanding of the building’s energy consumption compared to similar buildings. The rating benchmarks the building's energy performance against similar properties, factoring in size, location, and use. For example, an office building’s score compares only to other office buildings. For more details, refer to the [Energy Star Benchmark](https://www.energystar.gov/partner-resources/residential_new/program_reqs/mfhr/benchmarking) documentation.
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