Effective January 1st, 2024 all new construction & extensive renovations fall under the updated Illinois Energy Conservation Code as amended (AKA 2021 IECC / Illinois EEB ACT (Energy Efficient Building – 20ILCS 3125) that requires third party DET Verification (Duct & Envelope Tightness) be completed. For homes permitted before that date they fall under the 2018 IECC/Illinois requirements.
As a Certified Home Energy Rater and ICC Residential Energy Inspector / Plans Examiner, we can provide you with the needed energy models, code compliance reports, , exhaust system verification, and that are required.
Looking at stepping it up a notch? We also offer certified HERS ratings & program verifications for … To learn more simply click the links above or call us at (815) 200-3688