Steps to Take After Finding High Radon Levels in Your Home

Discovering high radon levels in your home can be alarming, but taking immediate action can significantly reduce the associated risks. This blog will guide you through the steps to take after finding elevated radon levels, from choosing a mitigation service to maintaining a radon-free environment.

Step 1: Confirm the Results

Before taking any action, it’s essential to confirm the initial radon test results with a follow-up test. Use a long-term test kit, which measures radon levels over 90 days or more, to get a more accurate reading. This helps determine the average radon concentration in your home.

Step 2: Research and Choose a Reliable Radon Mitigation Service

Look for a qualified radon mitigation professional to assess your home and recommend the best mitigation method. Ensure the service provider is certified by recognized organizations, such as the National Radon Proficiency Program (NRPP) or the National Radon Safety Board (NRSB). Check reviews, ask for references, and compare quotes to make an informed decision.

Step 3: Understand Different Mitigation Methods

Familiarize yourself with common radon mitigation techniques:

Sub-slab depressurization: This involves installing pipes and a fan system to draw radon from beneath the foundation and vent it outside.
Crawl space ventilation: Increasing ventilation in crawl spaces to reduce radon levels.
Sealing: Sealing cracks and openings in the foundation to limit radon entry, though usually used in combination with other methods.

Step 4: Schedule the Installation

Once you’ve selected a mitigation service, schedule the installation at your earliest convenience. The mitigation process typically takes one to two days, depending on your home’s size and foundation type.

Step 5: Test Again After Mitigation

After the mitigation system is installed, conduct a post-mitigation radon test to ensure the system effectively reduces radon levels. Test within 24 hours of installation and again after 90 days for accurate results.

Step 6: Maintain the Mitigation System

Regularly maintain your radon mitigation system to ensure it continues functioning correctly:

Check the system’s fan and pipes annually.
Replace any damaged components promptly.
Test your home for radon every two years to confirm ongoing safety.

Step 7: Stay Informed and Educated

Keep up to date with the latest radon information and recommendations. Educating yourself about radon risks and mitigation methods can help you make better decisions to protect your family’s health.


Finding high radon levels in your home can be concerning, but by following these steps, you can effectively reduce the risk and ensure a safer living environment. Acting promptly, choosing a reputable mitigation service, and maintaining your system are key to protecting your family from radon exposure.