Start the program and from the "Sap Projects" menu choose " All Projects" this will show the project window with a list of yout projects. the first time you use the program this will be blank. If you would like to see the worked examples provided by the BRE choose the "show BRE Examples" from the menu. It may be useful to look through this list to see if any projects are similar to the one you're planning if so you can choose to duplicate which considerably speed up the process of producing a sap calculation.

Use the ‘Projects’ list to create a new project. Alternatively, you can edit or copy one of the worked examples provided. You can use the duplicate button to copy a project

Double-click any project to go to the project details this is divided into 11 different areas. Use the tabs at the top of the window to switch between sections.

The program has to check for compatibility between sections. You must complete all sections before moving to another page otherwise errors will be generated as the program checks your entries. The sections are:

• Project summary
• Dwelling
• Ventilation
• Construction
• Windows & doors
• Overheating
• Primary Heating
• Secondary Heating
• Water Heating
• Renewables
• Reports