Joe's Favorites & DIY

After 40+ years of investigating mold and indoor air quality issues in thousands of buildings, Joe Riley has developed strong opinions about what works and what does not. This page shares his favorite products, tools, and DIY approaches for homeowners looking to prevent mold and maintain healthy indoor environments.

While DIY testing kits are available, they have significant limitations. Professional testing provides much more accurate and actionable results. However, there are practical steps every homeowner can take to reduce mold risk.