Understanding Manual D¨ Ñ Residential Duct Systems

Written by Jack Rise, one of the countryÕs leading HVACR instructors, the purpose of this book is to give you all the tools necessary to properly design a ducted distribution system. This is not a replacement for Manual D, but a companion guide. Written by Jack Rise, one of the countryÕs leading HVACR instructors, the purpose of this book is to give you all the tools necessary to properly design a ducted distribution system. This is not a replacement for Manual D, but a companion guide. In this guide we will discuss single aspect of air flow from the Fan Laws, to system types, to air side components, to equivalent fitting lengths, to the different duct materials, to choosing a blower, to calculating a friction rate, to human comfort, and to a simple balancing methodology.