Conservation Services Group

For more than 28 years, CSG has helped people from across the U.S. find ways to use energy wisely where we live and work by designing and delivering energy efficiency and clean energy programs that are innovative, cost effective and get the job done!

Our mission at CSG is to promote energy efficiency and the development of renewable energy resources to:

  • Protect the environment by reducing demand on natural resources and minimizing the harmful local and global impact of nuclear and fossil-fuel (oil, gas, coal) electric power generation
  • Make homes and buildings safer, healthier, more comfortable, more durable, and more affordable
  • Create a profitable, sustainable industry focused on the wise use of energy thereby contributing to building a more effective and efficient economy overall

At CSG, our expertise is deep and wide-ranging—and backed by years of real-world experience in all energy-related areas. We have unequalled expertise in building sciences, health and safety, marketing, public policy, appliance recycling, energy efficiency programs for residential and commercial buildings, renewable energy development, and much more. We have a broad and deep knowledge of quality analysis, quality control and all areas of implementing these programs and processes.

Lombard, IL Office
445 Eisenhower Lane South
Lombard, IL 60148
(630) 748-2540

Contact Conservation Services Group

Midwest Offices
300 Liberty Street
4th Floor
Peoria, Iowa  61602
Phone: (309) 740-2630


Service Area

Statewide service provider in:
  • Illinois