TerraLogos, taken from Latin and Greek, means wisdom of the earth and it neatly sums up the philosophy of this eco-centric company with a split personality. On one side, there's Terralogos: \, pc,(ea) a unique full-service architecture and consulting firm dedicated to the practice of sustainable design or "green" architecture. On the other side is TerraLogos Green Home Services, Inc. (GHS) that provides energy audits and building performance contracting. The goal is to provide cost-effective retrofits to buildings which improve comfort and indoor air quality while reducing energy costs and environmental impact.