h2x User GuideUser Guide

Solar Gain

Solar Heat Gain Coefficient

Set a standard Coefficient for solar heat gain.

This Coefficient is applied to windows to account for shading when undertaking the heat gain calculations.

This Coefficient can be edited anytime and will update your design instantly.

Directional Gain

Enter Solar Heat Gain values for each direction (e.g., top-right, right) based on the building’s orientation.

The directional gains can be edited anytime and will update your design instantly.

These directions aren’t labelled as north, east, south, and west, as they are relative to the project layout rather than compass directions.