Homeowner radon guide
Radon Safety Precautions for Homeowners
Radon is a long-term exposure concern. A test result deserves a measured response—not panic, unsafe do-it-yourself work, or fear-based purchasing.
During testing
Follow placement, closed-house, duration, and device instructions. Do not move, cover, unplug, or deliberately alter conditions around a test.
Around mitigation systems
Do not unplug the fan or alter piping without qualified guidance. Watch the operating indicator, keep exhaust openings clear, and arrange post-installation testing.
What not to do
Do not treat a map as a home test, seal random cracks as a guaranteed fix, enter unsafe crawlspaces, perform unqualified electrical work, or assume a consumer monitor satisfies every transaction protocol.
What to do next
Use the cost estimator for planning or search for professionals whose recorded service area matches your ZIP code.
Content reviewed 2026-08-20. Educational information only; testing and a property-specific assessment are still required.