We have heard questions recently regarding smoke controls systems, and wanted to address the NFPA standard in this code update. NFPA 92, 2015 edition includes all the requirements previously found in two standards: NFPA 92A: Standard for Smoke-Control Systems Utilizing Barriers and Pressure Differences and NFPA 92B: Standard for Smoke Management Systems in Malls, Atria, and Large Spaces.