Radon Symptoms, Poisoning, Tests, Cancer Causes (cont.)
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Radon and Home Sales
More and more, home buyers and renters are asking about radon levels before they buy or rent a home. Because real estate sales happen quickly, there is often little time to deal with radon and other issues. The best thing to do is to test for radon NOW and save the results in case the buyer is interested in them. Fix a problem if it exists so it won't complicate your home sale. If you are planning to move, read EPA's pamphlet "Home Buyer's and Seller's Guide to Radon," which addresses some common questions (see also Radon in Real Estate). You can also use the results of two short-term tests done side-by-side (four inches apart) to decide whether to fix your home.
During home sales:
Today many homes are built to prevent radon from coming in. Building codes in your state or local area may require these radon-resistant construction features. If you are buying or renting a new home, ask the owner or builder if it has radon-resistant features. The EPA recommends building new homes with radon-resistant features in high radon potential (Zone 1) areas. Even if built radon-resistant, every new home should be tested for radon after occupancy. If you have a test result of 4 pCi/L or more, consult a qualified mitigator to estimate the cost of upgrading to an active system by adding a vent fan to reduce the radon level. In an existing home, the cost to install a radon mitigation system is about the same as for other common home repairs. For more information, refer to EPA's Map of Radon Zones and other useful EPA documents on radon-resistant new construction (see publications). See also EPA's Indoor airPLUS new homes certification program.