This 4-hour seminar is designed for online or in-person training that highlights main provisions regarding General Requirements, Refrigeration & Hydronic Piping Systems contained in the 2017 Ohio Mechanical Code (OMC). Participants will be provided with instructor-led activities to calculate allowable refrigerant capacities for occupancies and other specific refrigeration system requirements. Heating and cooling hydronic piping requirements taught in this presentation will provide practice in applying key requirements to system materials, controls, and methods of installation for hydronic appliances and equipment according to the 2017 OMC. Upon completion of this training, participants will understand the intent of the 2017 OMC allowing them to apply sound installation principles regarding General Requirements, Refrigeration & Hydronic Piping Systems.