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What builders need to know about 2024 energy-code credits in Lake County
Summary
Technical presenters explained the new 2024 energy-code compliance paths: residential projects will typically need additional-efficiency credits (10 credits from many options), performance modeling thresholds are tighter and gas appliances can increase the percent‑better requirement.
Technical staff and external consultants walked the board through how residential and commercial builders will comply with the 2024 energy code.
For many residential projects, the 2024 code institutes "additional efficiency credits" that a project must achieve (for many homes the baseline is 10 credits) and provides a long menu of options (ventilation ERVs, reduced air leakage, higher efficiency mechanical equipment, improved envelope techniques) to meet that total. Hope explained, "there is a plethora of options that are available ... when it comes to residentially it is one category of credits you just have to get 10 credits of the additional efficiency requirements." Under performance compliance, buildings must model to a set percentage better than the standard reference design (and gas‑fired appliances may require a higher percent‑better threshold), while REScheck remains focused on the thermal envelope and no longer performs full performance trading for some paths.
Commercial compliance is more complex: the 2024 code requires energy-efficiency points and separate renewable/load-management points, with occupancy, size and location affecting required totals. Presenters recommended ongoing training for plan reviewers and inspectors and committed to offering hour-long virtual sessions to help local stakeholders and staff understand how to demonstrate compliance.
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