When is it recommended to re-test for radon?

Re-testing for radon is recommended every 5 years or every 2 years if mitigation measures have been implemented. This recommendation is based on the understanding that radon levels can fluctuate due to various factors such as changes in weather, construction alterations, or shifts in ventilation. Furthermore, after installing radon mitigation systems, it is crucial to test more frequently within the first few years to ensure that the system is effectively reducing radon levels and functioning as expected. Testing every 5 years provides a periodic evaluation of radon levels in a home to ensure they remain below the safety threshold.

This approach allows homeowners to address any potential increases in radon levels proactively and ensures ongoing safety for occupants. Regular monitoring is key to maintaining a healthy living environment in areas known to have radon exposure risks.