cost of fixing radon gas
The Average Cost for Radon Mitigation. The first step in radon mitigation is testing for the presence of the gas. There are different types of radon tests. Only a licensed radon tester can perform such a test, and a homeowner can expect to pay around $200. The average cost of testing and installation of a radon mitigation system is $758, explains the Home Advisor website. Most homeowners spent between $644 and $872 for radon testing and mitigation of the gas.