The validation after HERS BESTEST contains a base model for a single zone, single storey building isolated in Colorado (USA). This base model (ID L100A) is then modified in a series of scenarios targetting different building properties, like glazing ratios, insulation levels, or shading conditions (IDs L110A to L324A  and P110A to P150A).

The examples are domestic buildings in the UK built with a desire to deliver a space heating demand better than the average of the national stock. These houses are described with the information that would be typically available early in the design process, following a first sketch of solutions that is meant to be influenced with ZEBRA.