The 2024 Ohio Mechanical Code book View basic online (free) at https://codes.iccsafe.org/content/OHMC2024P1
Tip: Search the internet for ” Ohio Board of Building Standards” to find the code in a pinch.
Refrigerant Classification and A2L Video with Don Gillis:
A2L Refrigerant Building Code Map
This map indicates where state and local building codes have been updated or legislation passed to allow equipment using A2L refrigerants.
https://www.ahrinet.org/a2l-refrigerant-building-code-map?state=OH#map
Gas line sizing video with Quin of Williams Plumbing:
The tables in the 2021 IFCG now have the calculation done for you. View the tables at:
https://codes.iccsafe.org/content/IFGC2021P2/appendix-a-ifgs-sizing-and-capacities-of-gas-piping
Contact us if you have a question or are looking for more continuing education.