Do I need a radon test if I have a crawl space? If the level falls between 2.0 and 4.0 pCi/L, a mitigation system is beneficial and is strongly encouraged if there will be current or ex-smokers in the home. A level of 4.0 pCi/L and higher …

(You can likewise run the air vent up with your house as well as out the roofing system, which is a lot more work and also cost, however it looks much better). Radon gas can damage cells in your lungs, which can result in cancer. How Radon…