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AEC Technology Glossary

Sustainability & Performance

What is Energy Modeling?

Energy modeling simulates how much energy a building design will use, driven by its geometry, envelope, systems, climate, and occupancy. It predicts performance before anything is built and demonstrates code or certification compliance.

In practice

Early-stage tools give designers fast feedback loops — change the glazing, see the load — while detailed models support code compliance and incentive programs. The trend is modeling continuously during design rather than validating after.

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