Book excerpt: Unlike any other book on the market, the 2012 INTERNATIONAL MECHANICAL CODE COMMENTARY is a powerhouse of features: a renowned author team, the entire text and tables from the 2012 International Mechanical Code (IMC), and valuable commentaries that put its technical requirements into a real-world context. Section by section, the book guides readers through the 2012 IMC, presenting clear, detailed explanations that expand on its regulations along the way. These commentaries examine the code's implications and methods of application, as well as the potential consequences that may arise when not followed. With a focus on the effective design and installation of mechanical systems, coverage includes ventilation, exhaust systems, duct systems, hydronic heating, and more. When it comes to the 2012 IMC, there simply isn't a better resource and reference guide available, and you won't to be in the field without it.