Radon Reduction
Methods of Radon Abatement

Since there is no known safe radon level, there can always be some risk. But the risk can be reduced by lowering the radon level in your home.

A variety of methods can be used for radon gas protection in your home. In some cases, radon reduction may be attained by sealing cracks in floors and walls. In other cases, simple systems using pipes and a radon exhaust fan or radon vent fan can be used to reduce radon. Such radon reduction systems are called "sub-slab depressurization," and do not require major changes to your home. This radon abatement method removes radon gas from below the concrete floor and the foundation before it can enter the home. Similar radon gas protection systems can also be installed in houses with crawl spaces.

Ways to reduce the radon level in your home are discussed in the EPA's "Consumer's Guide to Radon Reduction." You can also get a copy from your state radon office.

The cost of making radon reduction repairs depends on how your home was built and the extent of the radon problem. Most homes can be fixed for about the same cost as other common home repairs like painting or having a new hot water heater installed. The average house costs about $1,200 for a contractor to fix, although radon abatement costs can range from about $500 to about $2,500.

Lowering a high radon level requires technical knowledge and special skills. You should use a contractor with credentials who is trained in radon gas protection. A trained radon abatement contractor can study the radon problem in your home and help you select the right treatment method.

Selecting someone to fix your radon problem is much like choosing a contractor for other home repairs - you may want to get references and more than one estimate.

You should also test your home again after it is fixed to be sure that the radon level has been reduced. Most radon reduction systems include a monitor that will alert you if the system needs servicing. In addition, it's a good idea to retest your home sometime in the future to be sure the radon level remains low.

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