This expert meeting, The Best Approach to Combustion Safety in a Direct Vent World, was conducted by the Partnership for Advanced Residential Retrofit team on June 28, 2012, in San Antonio, TX.  The objective of this Expert Meeting was to identify gaps and barriers that need to be addressed by future research, and to develop data-driven technical recommendations for code updates so that a common approach for combustion safety can be adopted by all members of the building energy efficiency and code communities.