How long until radon levels decrease once a mitigation system is installed? | | A few hours | 66% | | A few days | 22% | | Not sure | 11% | | | | | Question: How long until radon levels decrease once a mitigation system is installed? Top Answer (66% of 9 votes): A few hours.
Answer: A few hours
Explanation: Mass Radon recommends starting a post mitigation test 48 hours after a system has been installed. This allows time for the system to work up to its maximum potential but it starts working right away. | | Mass Radon | Answer: A few hours
Explanation: The system will begin to evacuate the radon immediately. | | InFocus Inspection | Answer: Not sure
Explanation: I don't do radon mitigation. I'm pretty sure once mitigation is done and the fan is running, the radon levels start to drop immediately. | | Worsley Inspections LLC | | | ProMatcher | Answer: A few hours
Explanation: These systems work great. | | Total Check-Up Inspections |
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