A radon reduction system pulls soil gas from beneath your home's foundation and vents it above the roofline, where the radioactive gas can safely disperse in outdoor air. It's basically a fan and pipe setup that creates a pressure difference to keep radon from seeping through cracks and into your living space. Many homeowners install this after testing shows elevated levels, as long-term radon exposure is a leading cause of lung cancer. radon reduction system 9
