When you're buying a home, radon testing is a simple but crucial step that can save you from unexpected health risks. Radon is a colorless, odorless gas that naturally seeps from the ground and can accumulate to dangerous levels indoors. A short test, often done with a small canister placed in the lowest livable area, gives you a clear picture of the home's air quality. If levels are high, you can negotiate repairs or mitigation with the seller before closing. radon testing for home buyers 10