This is the official review class for the NFI Woodburning Certification exam. The class is based on the official reference manual for the exam, Woodburning Hearth Systems Reference Manual, Sixth Edition, published Fall of 2018. This class covers both solid-fuel factory-built fireplaces and all types of wood stoves, including freestanding, inserts, and manufactured high-efficiency fireplaces. Installation knowledge specific to wood burning appliances, including installation and planning, solid-fuel appliance regulations and instructions, appliances, venting and ventilation, and troubleshooting are also included.