On average, indoor air quality testing costs between $250 and $300. You can expect to pay about $295 for mold and moisture testing and $135 to $150 for radon testing. You may be able to get these services at a discount if you combine them with a more complete house inspection report.
Indoor air quality testing may detect the presence of numerous pollutants in your home’s air, such as mold and mildew. Contaminants from chemicals and combustion may also be tested for.