Radon Guides: Testing, Mitigation, Health and Home Sales

Buying and selling a home with radon

Radon inspections: what happens and who does themWhat a radon inspection is, how the test is done during a home sale, who is qualified to do it, and what buyers and sellers should ask for.

Radon exposure symptoms and poisoningRadon causes no immediate symptoms. What long-term exposure can lead to, the lung cancer warning signs, who is most at risk, and what to do next.

How radon mitigation systems workHow a radon mitigation (venting) system pulls radon from under your home, the main types by foundation, installation rules to check, and upkeep.
Radon mitigation system installation: steps, DIY vs proWhat happens when a radon mitigation system is installed, step by step, which states require a licensed installer, and what to know before doing it yourself.
Radon fans: how they workWhat a radon fan does, where it has to go, how much power it uses, how long it lasts, and how to tell from the gauge that it's working.
Radon fan noise, lifespan and replacementHow to tell a radon fan is failing, what fan noise and condensation mean, how long fans last, and what happens when one is replaced.
Radon fan replacement and installation costWhat it costs to replace a radon fan, what a new system costs, and what a radon fan costs to run each year, from state radon programs and federal data.
Sealing cracks for radon: what worksDoes sealing basement cracks lower radon? What EPA says about sealing alone, which sealants the standards call for, and where sealing does help.
Radon sump pump coversWhy an open sump lets radon in, what a radon sump cover must do under EPA's standards, and how a sealed sump becomes part of a mitigation system.

How to test for radonShort-term and long-term radon tests, where to place a kit, how to read the result, and what changes when you are buying or selling a home.
Radon levels explainedWhat radon numbers mean, EPA's 4 pCi/L action level, the WHO reference level, converting pCi/L to Bq/m³, and the lifetime lung cancer risk at each level.
Where to buy a radon test kitWhere to get a radon test kit, from home improvement stores and online to discounted and free state kits, and what to check before you buy one.

See the share of radon tests at or above 4 pCi/L where you live, from state and CDC test records.