Building Extelligence

AI-native building energy simulation.

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The Problem

Building energy simulation software has barely changed in twenty years.

Models are built by hand, rebuilt from scratch on every project, and updates to a single project can consume your whole week.

What We're Building

Your simulation workflow, reimagined with AI to help.

Building Extelligence reimagines the simulation workflow around AI, from the first model to the final compliance report.

  • Conversational model editing

    Say or type edits like "increase glazing to 60% in south-facing zones" then confirm to see them applied instantly.

  • Works across your back catalog

    "Update constructions to match our last LEED project and show me the new EUI." Your entire project history, instantly queryable.

  • Collaborative by design

    Models simulated and versioned in the cloud, editable by your whole team, from anywhere.

Early Access