Add Yahoo as a preferred source to see more of our stories on Google. Crawl space with low ceilings and insulation - Jason Finn/Getty Images A crawl space seems like a good solution for the foundation ...

When crawl spaces are left unsealed, it creates a damp, dark environment perfect for mold and mildew growth that damages the home air quality. Since the natural circulation of air flow is from bottom ...

Is the ductwork under your home raised off the ground? Are there leaks in the ductwork? Does the rodent barrier/belly board show any holes or gaps? Is there almost always moisture under your home?