Ohio residential energy code

Ohio residential energy code (Residential Code of Ohio chapter 11 (IECC 2018-based, with Ohio amendments))

As of 2026-10-22. DOE's Building Energy Codes Program (energycodes.gov) lags state adoption, so where a state's own rule was read it governs and DOE's differing figure is noted. Residential means one- and two-family dwellings and townhouses. Local amendments can apply; check the code body before relying on a section.

Key features

Code in force: Residential Code of Ohio chapter 11 (IECC 2018-based, with Ohio amendments)
In force since: 2019-07-01
Adoption: Statewide mandatory code
County notices suggest the April 2024 amendments may have changed the energy reference; unverified.
Provisional: a state source was not opened for every point above; DOE energycodes.gov is cited where noted.

Governing body

State of Ohio

Region

Applies to

General contracting HVAC Insulation Electrical Windows & doors

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