TSLE's energy engineers help business owners increase margins by maximizing energy efficiency. We have 40+ yrs of design-build experience from lighting upgrades to comprehensive facility measure and have performed thousands of energy audits, energy analyses, and lighting/HVAC installations in public and private commercial, industrial and institutional facilities in the Tri-State area. We audit, recommend and install lighting and HVAC upgrade measures, including construction administration and commissioning services. We are a leading energy efficient lighting firm, with deep experience in occupancy sensors, photo controls and dimmable, networked lighting control systems. We have Professional Engineers on staff for integrated design services.