Insurance rates climb and claims are piling up partially because of a fast but not always high-quality home construction. "We've worked on multimillion-dollar homes that are beautiful physically, but structurally, it's poor construction," said Alan Wozniak, president and chief executive of Pure Air Control Services, a mold-remediation company. "It happens often in areas like Northern Virginia, for instance, and other areas of high growth, where homes are being built as fast as humanly possible.

Finding a remediation company that specializes in Remediation of biologically contaminated buildings or air conveyance systems can be difficult. Remediating environments that have suffered biological contamination requires an advanced level of expertise and highly specialized equipment. Even though this can make remediation expensive, selecting an unqualified or inexperienced remediation firm to do the work may end up costing even more.