Headquartered in Atlanta, Georgia, TDIR Inc and a satellite office in Columbia South Carolina is a leading provider of sustainable energy solutions including lighting retrofitting in North America. TDIR management has over 50 years of leading-edge experience in designing and installing an array of solutions that reduce customers’ operating expenses, increase comfort and provide valuable environmental benefits. Service offerings include LED Lighting , Solar-Photovoltaic (PV) / Solar – Thermal, HVAC Efficiency Enhancement, Power Technology Solutions to include on-site electrical generation and UPS systems, Weatherization and Water conservation services. The Company offers cost-saving strategies and renewable energy services to customers nationwide, including commercial, industrial, institutional, municipal and government facilities.