What is the Illinois
Energy Conservation Code?

Frequently asked questions

Useful websites

SEDAC's Energy Code publications

Slab Insulation

Slabs can be big culprits for energy loss from heat that is conducted outward and through the perimeter of the […]

Energy Code Smart Tip: Energy Rating Index

Newly constructed residential buildings in Illinois have three paths for compliance. This energy code smart tip explores the basics of […]

How COVID-19 is Affecting Code Officials

How is the COVID-19 pandemic impacting the work that code officials do? Will the pandemic impact compliance with the Energy […]

Duct Leakage Testing

Duct leakage testing helps to make sure that ducts are properly sealed to create an energy efficient, comfortable, and healthy […]

Increasing Energy Code Compliance

Illinois law requires all new commercial and residential construction projects to comply with a statewide energy conservation code. The current […]

An Introduction to COMcheck & REScheck

The Department of Energy developed COMcheck and REScheck to improve consistency in code compliance. These free, easy-to-use tools help verify […]

Thermal Comfort

Why should designers and building professionals make the extra effort to comply with the Illinois Energy Conservation Code? Following the […]

Energy Code: Low-income housing

Nowhere is there a greater need for energy efficiency than in low-income housing. Low-income households have a higher energy burden. […]

Blower Door Testing

Energy code requirements have been a large driver for the increase in blower door testing. Blower door testing became a […]

Indoor Air Quality

Americans spend most of their time indoors where they can be exposed to pollutants and mold. Indoor air often contains […]

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