The report summarizes current technologies and air pollution policies pertaining to wood combustion. Twenty different concepts for wood burning equipment are described. Also included are section diagrams, size ranges, and comments regarding efficiency and convenience. Many of the system types are not currently available on the U.S. market. A list of manufacturers and their addresses is included. The report also contains emission data for many of the systems described. Emission regulations and test procedures are presented. Finally, a brief overview of health research related to suspected carcinogenic materials in wood combustion emissions is presented. This information was gathered in the U.S. and in Europe by engineers familiar with wood combustion on both continents.