Impact Energy Consulting, LLC,, Inc., known to many of our clients as simply IEC, is a consulting firm headquartered in Berkeley, CA. Our firm specializes in energy efficiency and renewable energy program and project design, with extensive knowledge in financing, state and local policy, and regulatory affairs. Our principals have been on the forefront of the clean energy movement for over 5 years and have assisted countless small businesses, homeowners, programs, and business plans that brings comfort, better indoor air quality (IAQ), conserve energy, reduce costs, and protect the environment.