Energy modeling or Energy Simulation is the process of building a virtual building in a computer tool to assess the building energy performance over time. This can be done for many reasons and can offer huge benefits. 

LEED Consulting guides projects
to achieve LEED certification by
ensuring compliance with
sustainability building practices
and standards while maintaining project budget

An LCA evaluates the
environmental impacts of a
building from material extraction
to demolition, helping to reduce
carbon footprint and improve
sustainability.