Resources
Radon Safety Blog
Tips, guides, and news about radon testing, mitigation, and keeping your home safe.

Radon Test Came Back High? Your Step-by-Step Action Plan
A high radon reading can feel alarming. Here's a clear, practical plan to confirm the result, hire a certified contractor, and protect your family.
June 4, 2026

How Often Should You Test Your Home for Radon? A Complete Guide
Most experts recommend testing every two years, but your situation may call for more frequent checks. Here's a practical guide to radon testing frequency.
June 3, 2026

Can Opening Windows During a Radon Test Affect Results?
Opening windows during a radon test can dramatically lower readings and produce false 'passing' results. Learn why closed-house conditions matter.
April 28, 2026

How Weather Affects Radon Test Results: A Homeowner's Guide
Storms, cold snaps, and wind can skew radon readings. Learn how weather impacts short-term tests and how pros ensure accurate, reliable results.
April 28, 2026

How Long Does a Radon Test Take? Complete Timeline Guide
Wondering how long a radon test takes? From 48-hour short-term tests to 90-day long-term options, here's a complete timeline guide for every situation.
April 27, 2026

Closed-Building Conditions: The Key to Accurate Radon Testing
Learn why closed-building conditions are essential for accurate short-term radon testing and how to maintain them for reliable results in your home.
April 27, 2026

Continuous Radon Monitor vs Charcoal Test Kit: Which Is Best?
Compare continuous radon monitors and charcoal test kits. Learn which radon testing method is right for your home, budget, and timeline in this expert guide.
April 26, 2026

Where to Place a Radon Test Kit in Your Home: Complete Guide
Learn exactly where to place your radon test kit for accurate results. EPA-approved placement tips, common mistakes to avoid, and when to call a pro.
April 26, 2026

How Radon Testing Works: A Complete Guide for Homeowners
Learn how radon testing works, why it matters, and how to detect this invisible gas in your home. A complete guide to protecting your family's health.
April 25, 2026

Why Healthy-Looking Homes Still Need a Radon Test
Your home feels fine, but radon doesn't care. Learn why even the cleanest, driest, healthiest-looking homes can hide dangerous radon levels.
April 25, 2026

Radon vs Mold vs Carbon Monoxide: Key Differences Explained
Radon, mold, and carbon monoxide are all invisible home hazards — but they require different detection methods, health responses, and mitigation strategies.
April 24, 2026

Radon and Indoor Air Quality: The Hidden Threat in Your Home
Radon is the leading cause of lung cancer in non-smokers, yet rarely makes the indoor air quality list. Learn how this invisible gas impacts your home.
April 24, 2026

7 Dangerous Radon Myths That Could Put Your Family at Risk
Radon kills 21,000 Americans yearly, yet myths keep families from testing. Debunk the most dangerous misconceptions and learn what every homeowner must know.
April 23, 2026

Why Your Neighbor's Radon Test Result Means Nothing for Your Home
Two homes side by side can have radically different radon levels. Learn why your neighbor's test result tells you almost nothing about your own home's risk.
April 23, 2026

Radon in New Construction Homes: The Hidden Risk Buyers Miss
Brand-new homes aren't automatically radon-free. Learn why modern construction can actually trap radon indoors and how to protect your family today.
April 22, 2026

Radon in Older Homes: Why Age Affects Your Home's Risk Level
Older homes often have higher radon levels due to foundation type, construction era, and decades of settling. Learn why age matters and how to test.
April 22, 2026

Why You Can't Smell, See, or Taste Radon: The Hidden Home Danger
Radon causes 21,000 lung cancer deaths yearly, yet you can't see, smell, or taste it. Learn why this invisible gas hides in homes and how to detect it.
April 21, 2026

Does My Home Need a Radon Test? What Every Homeowner Should Know
Every home should be tested for radon, regardless of age or location. Learn why universal testing matters and how to protect your family from this silent threat.
April 21, 2026

Can a House Close With High Radon Levels? Buyer & Seller Guide
Elevated radon doesn't have to kill your home sale. Learn how buyers and sellers negotiate mitigation, credits, and closing terms when radon exceeds 4 pCi/L.
April 20, 2026

How Radon Enters Your Home: Entry Points, Risks & Prevention Guide
Discover how radon gas infiltrates homes through foundation cracks and soil pathways, why it's dangerous, and what every homeowner should know to stay safe.
April 20, 2026

Short-Term vs Long-Term Radon Tests: Which One Do You Need?
Confused about radon test duration? Learn the key differences between short-term and long-term radon tests to protect your home and family from lung cancer risk.
April 19, 2026

Why Radon Levels Vary Between Floors: A Homeowner's Guide
Discover why radon concentrations differ dramatically between your basement and upper floors, and what it means for accurate testing and home safety.
April 19, 2026

How Radon Mitigation Systems Work: A Homeowner's Complete Guide
Learn how radon mitigation systems protect your home from this invisible carcinogen, reducing indoor radon levels by up to 99% through proven science.
April 18, 2026

What Is Radon? The Invisible Gas Threatening Your Home's Safety
Radon is an odorless radioactive gas and the #2 cause of lung cancer in the US. Learn what it is, how it enters your home, and how to protect your family.
April 18, 2026

Professional Radon Testing Cost in 2026: Complete Price Guide
Discover what professional radon testing really costs in 2026, what factors influence pricing, and how to get the best value for your home safety investment.
April 17, 2026

What Is a 48-Hour Radon Test? Complete Guide to Fast, Accurate Results
Discover how 48-hour radon tests work, when to use them, and why they're the gold standard for real estate transactions and quick home screenings.
April 17, 2026

How Often Should You Test Your Home for Radon? A Complete Guide
Radon levels fluctuate over time. Learn how often to test your home for radon, EPA recommendations, and why regular testing protects your family's health.
April 16, 2026

Radon Testing for Home Buyers: Why It Belongs on Your Inspection Checklist
Skipping radon testing when buying a home is a common mistake. Here's exactly what to request, how to read the results, and how to negotiate if levels come back high.
April 16, 2026

Illinois Radon Levels: Why 40% of Homes Exceed EPA Limits
Over 40% of Illinois homes test above EPA radon action levels. Learn why nearly every county is high-risk and how to protect your family.
April 15, 2026

Ohio Radon Risk by County: Highest-Risk Areas & Testing Guide
Most Ohio counties are EPA Zone 1 for radon, and 1 in 3 homes tested exceeds the action level. Learn which counties face the highest risk.
April 15, 2026

Pennsylvania Radon Levels: Highest-Risk Counties & Homeowner Guide
About 40% of Pennsylvania homes test at or above the EPA radon action level. Learn which counties carry the highest risk and what to do about it.
April 14, 2026

EPA Radon Zones Explained: What Your County's Color Really Means
Decode EPA Radon Zones 1, 2, and 3. Learn what your county's risk designation means for your home and why testing is essential regardless of zone.
April 14, 2026

Post-Mitigation Radon Testing: How to Verify Your System Works
Installed a radon mitigation system? Learn why post-mitigation testing is essential to verify your system actually reduced radon to safe levels.
April 13, 2026

Radon Testing Requirements by State: A Complete 2026 Guide
State radon testing laws vary widely across the U.S. Learn which states require testing, action levels, and how to stay compliant during home sales.
April 13, 2026

Radon Mitigation Cost Guide 2026: What Homeowners Pay
Discover what radon mitigation really costs in 2026. Get pricing tiers, factors that affect cost, and tips to avoid overpaying for your home system.
April 12, 2026

Radon Testing vs Mitigation: Key Differences Every Homeowner Should Know
Confused about radon testing vs mitigation? Learn the critical differences, when you need each service, and how to find certified pros to protect your home.
April 12, 2026

NRPP vs NRSB Certification: A Homeowner's Guide to Radon Pros
Confused by NRPP and NRSB radon certifications? Learn what each credential means, how they differ, and how to verify your radon professional is qualified.
April 11, 2026

How to Choose a Certified Radon Tester Near You: Complete Guide
Learn how to choose a certified radon tester, understand EPA action levels, and protect your family from the second leading cause of lung cancer.
April 11, 2026

Radon Test Came Back High? Your Step-by-Step Action Plan
Your radon test showed levels above 4 pCi/L. Learn exactly what to do next, from confirming results to hiring a certified mitigation professional.
April 10, 2026

Radon Testing When Selling Your Home: A Complete Seller's Guide
Radon testing can make or break your home sale. Learn EPA guidelines, mitigation costs, and how to protect your deal from costly delays and negotiations.
April 10, 2026

DIY Radon Test Kit vs Professional Radon Testing: Which One Do You Actually Need?
Unsure whether to grab a $15 test kit from the hardware store or hire a certified radon professional? This guide breaks down costs, timelines, accuracy, and when each option makes sense—so you can protect your family without overspending.
April 8, 2026

What Is a Safe Radon Level? Understanding EPA Guidelines for Your Home
The EPA sets 4 pCi/L as the action level for radon in homes, but even levels between 2-4 pCi/L carry real risk. Learn what radon levels mean, how they are measured, and when to act.
April 6, 2026

Radon Testing When Buying a Home: What Every Buyer Needs to Know
Before you sign the closing papers, there's one invisible risk most buyers overlook. Here's everything you need to know about radon testing during a home purchase—and why skipping it could cost you far more than the test itself.
April 4, 2026