Donald B. Snell has over 25 years of experience with HVAC and building envelope systems mold and moisture failures. In cases where HVAC failure can lead to catastrophic moisture and mold intrusion, he is sought after by building owners, building managers, attorneys, and contractors to determine the issues surrounding these highly complex building failures. His experience has helped defend or recover hundreds of millions of dollars in costs in some of the world’s most complicated HVAC system failures. His diagnosis and remedial solutions have helped some of the largest commercial builders in the world, including NASA, Disney, FRHI, and Hyatt, solve HVAC mold-related failures in their buildings.