Cool Roof Requirements: Des Plaines vs Evanston
How do cool roof requirements rules compare between Des Plaines, IL and Evanston, IL?
Des Plaines and Evanston have similar restriction levels.
Des Plaines, IL
Cook County
Cook County Building Code Ch. 32 adopts the International Energy Conservation Code without a separate cool-roof reach code. Reflective roofing is incentivized but not mandated outside Chicago, which has its own cool-roof requirement under the Chicago Energy Code.
View full Des Plaines rules →Evanston, IL
Cook County
Cook County Building Code Ch. 32 adopts the International Energy Conservation Code without a separate cool-roof reach code. Reflective roofing is incentivized but not mandated outside Chicago, which has its own cool-roof requirement under the Chicago Energy Code.
View full Evanston rules →Key Facts Comparison
| Fact | Des Plaines | Evanston |
|---|---|---|
| County reach code | None beyond IECC | None beyond IECC |
| Code chapter | Ch. 32 Cook County Building | Ch. 32 Cook County Building |
| Climate zone | 5A no SRI mandate | 5A no SRI mandate |
| Chicago rule | SRI 78 low slope roofs | SRI 78 low slope roofs |
Highlighted rows indicate differences between cities.
Des Plaines FAQ
Do I need a cool roof in unincorporated Cook?
No. The county building code follows the 2018 IECC, which does not require reflective roofing in climate zone 5A. Cool roofs remain voluntary outside Chicago.
Are there any rebates for installing one?
ComEd and Nicor Gas occasionally offer cool-roof energy efficiency rebates for commercial properties. Cook County itself does not currently fund residential cool-roof incentives.
Evanston FAQ
Do I need a cool roof in unincorporated Cook?
No. The county building code follows the 2018 IECC, which does not require reflective roofing in climate zone 5A. Cool roofs remain voluntary outside Chicago.
Are there any rebates for installing one?
ComEd and Nicor Gas occasionally offer cool-roof energy efficiency rebates for commercial properties. Cook County itself does not currently fund residential cool-roof incentives.
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