2024 Ohio Mechanical Code Resources


Ohio has adopted the following in 2024:

2024 Ohio Mechanical Code
https://codes.iccsafe.org/content/OHMC2024P1

2021 International Fuel Gas Code https://codes.iccsafe.org/content/IFGC2021P2

2021 International Energy Conservation Code
https://codes.iccsafe.org/content/IECC2021P2

Modifications for Ohio are in Chapter 13 of the Ohio Building Code.
https://codes.iccsafe.org/content/OHBC2024P1/chapter-13-energy-efficiency

2024 Ohio Existing Building Code
https://codes.iccsafe.org/content/OHEBC2024P1


Ohio Design Professionals and Code Analysts (ODPCA) funds a reference library at the main branch of the Columbus Metropolitan Library that contains Referenced Standards available to anyone to request by phone and receive any one page via email. The CML Main Library phone is 614-645-2275. http://www.columbuslibrary.org/

The direct link to TABLE 403.3.1.1 MINIMUM VENTILATION RATES in the 2024 OMC online codebook https://codes.iccsafe.org/content/OHMC2024P1/chapter-4-ventilation#OHMC2024P1_Ch04_Sec403.3.1

Robert J. Schutz, P.E. rjschutz@ohiocertificate.com

For information on inspections and code decisions contact the Board of Building Standards at (614) 644-2613

Board of Building Standards website

Heating Degree Days Reference
https://www.eia.gov/energyexplained/units-and-calculators/degree-days.php

photo of grease hood over walkway
Grease exhaust hood over walkway. Don’t stand there.

Distance to combustible materials. 5/8 Gypsum board is now allowed to achieve a space to combustibles. Fire Rated C board is 1/2″ may also be used. See National Gypsum Association resources.

U.S. EPA Refrigerant sales restriction

School Ventilation: A Vital Tool to Reduce COVID-19 Spread white paper (46 page PDF)
https://www.centerforhealthsecurity.org/our-work/publications/school-ventilation

FDA guidance on UV Lights and Lamps: Ultraviolet-C Radiation, Disinfection, and Coronavirus

Air Diffusion Council

1901 N. Roselle Rd. Suite 800, Schaumburg, Illinois 60195 
Phone:847-706-6750
Fax:847-706-6751
URL:http://www.flexibleduct.org
Email:infoflexibleduct.org