Based in Bournemouth, AIR and SAP Energy Ltd provides all of the Part L1a Building Regulations for new houses, including all of the following: - Air Pressure Testing. - SAP Calculations- Energy Performance Certificates- Sound Testing AIR and SAP Energy Ltd cover all of the following areas such as Bournemouth, Dorset, Hampshire, Wiltshire, Cornwall, Devon, Sussex, Kent, London, Midlands and many more.