Consumer's Guide to Radon Reduction

  • Reduce Radon Levels In Your Home

Radon is the second leading cause of lung cancer.  The Surgeon General and the EPA recommend testing for radon and reducing radon in homes that have high levels. Fix your home if your radon level is confirmed to be 4 picoCuries per liter (pCi/L) or higher. Radon levels less than 4 pCi/L still pose a risk, and in many cases may be reduced. If you smoke and your home has high radon levels, your risk of lung cancer is especially high.

  • Select A State Certified and/or Qualified Radon Mitigation Contractor

Choose a qualified radon mitigation contractor to fix your home.  Start by checking with your State radon office.  Many states require radon professionals to be licensed, certified, or registered.  You can also contact private radon proficiency programs for lists of privately certified radon professionals in your area.

  • Radon Reduction Techniques Work

Radon reduction systems work. Some radon reduction systems can reduce radon levels in your home by up to 99%. The cost of fixing a home generally ranges from $800 to $2,500 (with an average cost of $1,200). Your costs may vary depending on the size and design of your home and which radon reduction methods are needed. Hundreds of thousands of people have reduced radon levels in their homes.

  • Maintain Your Radon Reduction System

Maintaining your radon reduction system takes little effort and keeps the system working properly and radon levels low.

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Figure 173: Make sure you read and understand your Radon testing results.


  • Introduction

You have tested your home for radon, but now what? This section is for people who have tested their home for radon and confirmed that they have elevated radon levels -- 4 picoCuries per liter (pCi/L) or higher.  This section can help you:

  • Select a qualified radon mitigation contractor to reduce the radon levels in your home.

  • Determine an appropriate radon reduction method.

  • Maintain your radon reduction system.

If you want information on how to test your home for radon, call your State radon.

Figure 174: Air movement inside and outside effects the Radon levels in your home.

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