Adoption Info Ohio Mechanical Code 2024
Official title 2024 Ohio Mechanical Code (OMC)
Overview The 2024 Ohio Mechanical Code is based on the 2021 International Mechanical Code (IMC) with Ohio-specific amendments. This code sets the minimum standards for the design, installation, and maintenance of mechanical systems, including heating, ventilation, air conditioning (HVAC), and refrigeration systems in the state of Ohio. It ensures that mechanical systems are safe, energy-efficient, and reliable.
Read More: 2024 Ohio Plumbing CodeÂ
List of all Building codes of OhioÂ
Effective Date The 2024 Ohio Mechanical Code became effective on January 1, 2024.
Amendments The Ohio Board of Building Standards has adopted several amendments to the 2021 IMC to address specific needs and conditions unique to Ohio. These amendments include modifications to installation practices, energy efficiency standards, and other state-specific provisions.
Compliance All mechanical projects in Ohio must comply with the 2024 Ohio Mechanical Code as part of the permitting and inspection process. This code is enforced by local building departments and the Ohio Department of Commerce, Division of Industrial Compliance.

Cosimina has been a member of BCAP for over a decade, actively contributing to the organization’s nationally acclaimed initiatives aimed at assisting states and local authorities in the establishment and enforcement of robust and efficient building energy codes. Her involvement spans across advocacy, technical guidance, outreach programs, and the formation of strategic coalitions.