The Illinois EPA Office of Energy encourages the use of energy efficient technologies, techniques, and services to accelerate a cost-effective, equitable transition to a decarbonized energy system in Illinois. The benefits of low-cost energy efficiency investments in residential and commercial buildings include:
- Decreasing energy consumption and waste;
- Reducing pollution and greenhouse gas emissions;
- Improving comfort;
- Supporting the U.S. economy and trained workforce;
- Increasing energy security; and
- Saving money.