February 19, 2010 — Optimum Energy has hired two new colleagues in the Mid-Atlantic region. Jon Greenberg and Barb Jacobi, were hired as sales engineer and account executive – education, respectively. Prior to Optimum Energy, Greenberg worked as a design engineer for Remington & Vernick Engineers, Inc., and Jacobi worked as a senior service sales representative for Carrier Building Services, an HVAC systems provider.  Optimum Energy develops networked building control applications and products to reduce energy consumption in commercial buildings.