Orange Energy Solutions (OES) specializes in making homes and workspaces more comfortable, energy efficient, and healthy. OES provides a comprehensive approach to energy efficiency for residential and small commercial buildings. OES performs comprehensive energy audits using RESNET and BPI certified building science professionals; performs energy efficiency improvements ranging from insulation, windows and doors, energy efficient lighting, and highly efficient HVAC systems including groundsource geothermal. Our Caledonia Builders division builds custom, highly efficient homes and additions. OES is based in Broomall Pennsylvania and serves the Philadelphia area including, Montgomery, Delaware and Chester Counties and the Mt. Airy, Germantown, Chesnut Hill and Wynnefield sections of the City of Philadelphia.