One Stop Energy Services specializes in Commissioning, Retro-commissioning, and energy auditing. Based out of Barberton, Ohio One Stop Energy Services services Mid and Northern Ohio. It is the goal of One Stop Energy Services to provide cost effective options to building owners for the evaluation of their buildings through experienced personal, data-collection and analysis, building modeling, and operation/maintenance consulting. This process leads to reduced energy usage, increased occupant comfort, and extended equipment life.