Lastly, by checking your home every 2 years you have the ability to validate that your levels stay reduced and that your system is operating properly. You've taken the required actions to improve the interior air high quality of your residence with a Radon Reduction System. The next question that usually adheres to is "Am I required to keep the system? " Below are some valuable ideas regarding your system to keep in mind. Radon reduction systems for air-borne radon require little upkeep with only the follower being a possible resource of failing.