Please see to it to do a radon test after a mitigation system is mounted and additionally at the very least every 2 years after that. Radon screening is affordable and straightforward if you buy DIY radon examination kits. There is a sporting chance that the radon system never worked to begin with. If you do not execute normal follow-up testing, you might be being revealed to high level of radon under the false pretension that you are safe since you have a mitigation system. With that said said, most radon mitigation systems set up by excellent specialists will function excellent to minimize radon degrees.