How to Look

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We want you to be an informed homebuyer, and each blog post is a question that we have answered for our friends and customers over the years. Hope they help you make a good choice for your next home.

    Fan life is also shortened by excessive heat in an attic and running the fan at full rated capacity. “Never allow a fan to run at full capacity,” according to Tony Davenport, of Radon Professionals, a radon mitigation contractor in Jacksonville Beach, Florida. “It will shorten the life expectancy by creating excessive heat, because not enough air is passing through the fan. We address that situation by placing a weep hole in the piping just below the fan and that reduces the amount of suction and allows cooling air to pass through the fan.”

    The list of variables that affect the life expectancy of a radon mitigation fan make pinning down how soon one will fail difficult. “We just did a service call on a system that we installed 22 years ago,” says Tony. “The fan was still running and the radon levels were still below 4.0 pCi/L. But we also replaced the same fan model that was 9 years old the next day because the bearings had failed.”

    To lean more about radon and radon mitigation systems, click on the links to a few of our other blogs about radon below.


While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector. Also, construction standards vary in different parts of the country and it is possible that important issues related to your area may not be covered here.
© McGarry and Madsen Inspection


Answers to the most Frequently Asked Questions (FAQ) about radon:

  1. What is radon? Should I be concerned about it in Gainesville?

  2. How can not testing for radon be an expensive mistake for homebuyers?

  3. This house has been empty and closed-up for months. Will the radon test come back sky-high?

  4. What are a homebuyer’s options when the radon test comes back high (4.0 pico-curies/liter or more)?

  5. What’s my chance of getting a high radon reading in Gainesville?

  6. How long does it take to get the results of a radon test?

  7. How can I tell if a house has a radon mitigation system?

  8. Do granite countertops emit radon?

  9. Can the seller tamper with a homebuyer’s radon test to change the results?

  10. Will opening the windows reduce the radon level in a house?

  11. What does a radon mitigation contractor do to lower the radon level in a home?

  12. Do older houses have higher radon levels than new houses?

  13. What is the danger of radon in well water?

  14. Can stormy weather change the radon level in a house?

  15. Do I need to test for radon when buying a condominium?

  16. What are the symptoms of radon poisoning?

  17. What is the average radon level of indoor and outdoor air in America?

  18. Can a mobile/manufactured home have a high radon problem?

  19. Should homeowners get a pre-listing radon test before selling their home?

  20. For how many years does an old radon test remain valid?

  21. Where does radon come from?

  22. How was it determined that between 15,000 and 22,000 lung cancer deaths each year are caused by radon?

  23. Do radon mitigation systems require maintenance?

  24. What is the operating cost of a radon mitigation system?

  25. Should I buy a house with a radon mitigation system?