Radon Guides
Long-form, practical guides for homeowners, buyers, sellers, and agents. Start with the comprehensive guides below, then use the specialized guides for focused questions.
Cornerstone Guides
In-depth educational resources covering the fundamentals of radon science, testing, and safety.
What Is Radon? The Complete Guide to Radon Gas in Your Home
2,500+ words on radon origins, how it enters homes, EPA zones, health risks, testing basics, mitigation overview, and common myths.
Read guide →The Complete Guide to Radon Testing in Your Home
2,000+ words on why to test, test types, closed-house prep, result interpretation, retesting, and transaction timing.
Read guide →Radon Health Risks: What Science Says About Radon and Lung Cancer
2,000+ words on how radon causes lung cancer, EPA and WHO statistics, compounding risk factors, and evidence-based risk reduction.
Read guide →Radon Levels Explained: What Your Test Results Mean and When to Act
2,000+ words with a radon levels chart, EPA and WHO thresholds, decision framework by level, and factors that affect readings.
Read guide →Radon Detectors & Monitors: How to Choose the Right Device
2,000+ words covering detector types, professional vs consumer monitors, key features to evaluate, and correct placement.
Read guide →Comprehensive Guides
Homeowner Guide to Radon Mitigation: What to Expect
2,000+ words on mitigation systems, install day steps, cost ranges, contractor vetting, and long-term maintenance.
Read guide →Radon and Real Estate: A Guide for Buyers, Sellers, and Agents
2,000+ words on rights, disclosures, negotiation structures, escrow timelines, and cost allocation.
Read guide →More Guides
How to Test Your Home for Radon
Quick-start testing fundamentals and best practices.
Read guide →Radon in Real Estate: What Buyers and Sellers Need to Know
Practical transaction tactics for radon issues.
Read guide →Radon System Maintenance
How to monitor and maintain a mitigation system over time.
Read guide →Foundation Types and Radon
How foundation design changes radon entry and mitigation strategy.
Read guide →Radon Level Chart: What Your pCi/L Reading Means
Visual radon level chart with EPA action levels, WHO guidelines, and what to do at each range.
Read guide →Radon in Water: Testing, Risks, and Treatment
How radon enters well water, testing methods, EPA limits, and treatment options.
Read guide →Professional Radon Inspection Guide
What a professional radon inspection involves, when you need one, and how to choose an inspector.
Read guide →