The SAP Calculations

The SAP calculations / sap calcs / sap rating is carried out at the design stage of the build and the calculation is based on the energy balance taking into account a variety of factors that contribute to energy efficiency, including: - Materials used for the construction of the dwelling - Thermal insulation of the building fabric - Ventilation characteristics of the dwelling - Efficiency and control of the heating system - Solar gains through openings of the dwelling - Fuel used to provide space and water heating - Renewable energy technologies