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Radon Education & Explainers
New to radon? Start here. These explainers cover the geology behind high radon in Georgia, how the gas enters homes, myths worth forgetting, and the building science that helps you make smart decisions about your home.
44 articles in this topic
How HVAC Ductwork Can Spread Radon Through Your Home
Your HVAC system can distribute radon from the basement to every room in your home. How ductwork affects radon levels and what you can do about it.
Radon Awareness: What Every Georgia Homeowner Should Know in 2026
A comprehensive radon awareness guide for Georgia homeowners. Covers what radon is, how it enters homes, health risks, testing options, and mitigation solutions.
When to Test New Construction for Radon in Georgia
New homes in Georgia can have elevated radon. When to test new construction, what radon-resistant features to look for, and why new does not mean radon-free.
Georgia Radon Map: County-by-County Risk Levels and What They Mean
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Radon and Basement Waterproofing: How Water Management Affects Radon Entry
Basement waterproofing systems interact with radon entry in ways most homeowners do not expect. Sump pits, drain tiles, and vapor barriers can help or hurt depending on design.
Types of Radon Mitigation Systems Compared: Which Is Right for Your Home?
Compare sub-slab depressurization, crawl space ventilation, and other radon mitigation system types. Find the right system for your home
Radon Testing for Renters: Your Rights and How to Test an Apartment
Renters can and should test for radon. Your rights as a tenant, how to test an apartment, and what to do if your landlord will not address elevated levels.
Radon and Energy-Efficient Homes: Why Tight Construction Can Trap Radon
Energy-efficient homes with tight construction may have higher radon levels. How insulation, air sealing, and modern building practices affect radon accumulation.
Should You Mitigate Radon Below 4 pCi/L? The Case for Lower Levels
The EPA action level is 4 pCi/L, but is that truly safe? Why many health organizations recommend mitigation at 2 pCi/L and what the science actually shows.
Radon in Well Water: Testing, Treatment, and Georgia-Specific Risks
How radon enters well water in Georgia, how to test for it, and what treatment systems remove radon from your drinking water. Includes Georgia-specific geology.
Radon-Resistant New Construction: Features That Reduce Risk from Day One
Radon-resistant new construction (RRNC) features include gravel layers, vapor barriers, vent pipes, and sealed foundations. A breakdown of costs and effectiveness.
How Your Home
The relationship between home ventilation and radon levels matters more than most homeowners realize. How HVAC systems, ERVs, HRVs, and natural ventilation affect indoor radon.
Using Your Sump Pit for Radon Mitigation: How It Works
Sump pits can be used as suction points for radon mitigation systems. The process, benefits, and limitations of sump-based radon reduction.
The Myth That New Homes Are Safe from Radon
New construction homes can have radon levels just as high as older homes. Why building age does not determine radon risk and why every new home should be tested.
Radon Only Affects Homes with Basements: Why This Common Myth Is Wrong
Homes without basements can have dangerous radon levels too. Why slab-on-grade and crawl space homes are not immune to radon and why every foundation type needs testing.
How Long Does a Radon Mitigation System Last? Lifespan Guide
How long radon mitigation systems last, when to replace your fan, and what maintenance extends system life. A complete lifespan and replacement guide.
Radon in Older Homes: Why Pre-1980 Houses Deserve Extra Attention
Older homes built before 1980 often have more radon entry points due to foundation aging and construction methods. Why pre-1980 homes need testing and what to expect.
Radon in Finished Basements: Testing and Solutions
Finished basements are at higher risk for radon exposure. How to test for radon in finished basements, what affects levels, and how to protect your below-grade living space.
Radon in Split-Level Homes: Unique Risks and Testing Strategies
Split-level homes have unique radon challenges due to multiple foundation levels and complex airflow. How to test and address radon in split-level homes.
Radon in Atlanta Townhomes: Do Attached Homes Need Testing?
Townhomes in Atlanta are at risk for radon just like single-family homes. Why attached homes need testing, how radon behaves in townhomes, and what to do about elevated levels.
Radon After Foundation Repair: Does It Change Levels?
Foundation repair can change how radon enters your home. How different repair methods affect radon levels and why retesting after foundation work is essential.
Radon After Home Renovation: Why You Should Retest After Remodeling
Home renovations can change radon levels in your home. Which renovations affect radon, why retesting after remodeling matters, and what to do if levels increase.
How Radon Fans Work: The Complete Homeowner
How radon fans work, the different types available, energy costs, noise levels, lifespan, and when to replace your radon mitigation fan.
Radon Measurement Units Explained: pCi/L, Bq/m³ and What They Mean
Radon measurement units include pCi/L and Bq/m³. How to convert between units, what the numbers mean, and what levels are considered safe.
Do Granite Countertops Emit Radon? Facts vs. Fiction
Granite countertops contribute negligible radon compared to the soil beneath your home, according to scientific research. The facts on a common myth.
Radon Vapor Barriers Explained: How They Work and When You Need One
Radon vapor barriers in crawl spaces cost $1,500-4,000 to install. How they work, what materials are used, and when you actually need one for radon protection.
Does Radon Mitigation Reduce Home Humidity?
Radon mitigation systems also reduce basement and crawl space moisture. An EPA study confirms the dehumidifying effect. Here is how it works.
Does Homeowners Insurance Cover Radon Testing or Mitigation?
Wondering whether your homeowners insurance covers radon? It does not, in almost every case. The out-of-pocket cost is more affordable than most homeowners expect.
Radon in Georgia Schools and Daycares: What Parents Should Know
An estimated 1 in 5 U.S. schools have elevated radon, yet Georgia has no testing mandate. What parents can do to protect children at school and daycare.
Radon and Home Renovations: When Remodeling Can Increase Radon Levels
Finishing a basement, changing your HVAC, or adding a bathroom below grade can all push radon levels higher. When to retest and how to protect your home during renovations.
Sump Pumps and Radon: How Your Sump Pit Affects Radon Entry
An open sump pit is a direct pathway for radon gas into your basement. How to seal it, why it matters, and the way sump pits can actually help with mitigation.
Radon in Rentals: Tenant and Landlord Responsibilities
Ground-floor apartments and rental homes face the same radon risks as owner-occupied houses. A guide to tenant rights, landlord duties, and testing a rental in Georgia.
How Your HVAC System Affects Radon Levels in Your Home
Your HVAC system creates pressure differences that pull radon into your home. How heating, cooling, and ductwork affect radon levels and what you can do about it.
Granite Bedrock and Radon in North Georgia: Why Geology Matters
North Georgia's granite bedrock produces some of the highest radon levels in the Southeast. Learn how the Piedmont and Blue Ridge geology creates radon risk and what homeowners should do.
Commercial Radon Testing: A Guide for Business Owners & Property Managers
Commercial buildings need radon testing too. Learn about EPA guidelines for workplaces, schools, and commercial properties, testing methods, and mitigation options for commercial spaces.
Radon-Resistant New Construction in Georgia: Builder Guide
Building a new home in Georgia? Radon-resistant new construction (RRNC) features cost $350-$750 during building vs $800-$2,500 to retrofit. Learn what to require from your builder.
Radon in Condos and Townhomes: Are Multi-Unit Homes at Risk?
Think condos and townhomes are safe from radon? Ground-floor and basement units face the same risks as single-family homes. Learn about radon in multi-unit housing and what residents should know.
How Radon Enters Your Home: Entry Points, Pathways & Prevention
Radon enters through cracks, gaps, pipes, and any opening where your home contacts the ground. Learn the exact pathways, driving forces, and how to reduce radon entry.
Radon in New Construction Homes: Why New Homes Still Need Testing
New homes are not radon-proof. Even homes built with RRNC features need testing. Learn why new construction in Georgia can have elevated radon and what builders should include.
Georgia Radon Guide for Homeowners (2026): Testing, Levels & Protection
Everything Georgia homeowners need to know about radon in 2026. County risk zones, testing options, mitigation costs, and how to protect your family from radon gas.
10 Radon Myths That Put Your Family at Risk
Granite countertops cause radon? New homes are safe? Opening windows fixes it? We break down the 10 most common radon myths with data from the EPA, WHO, and peer-reviewed research.
Radon and Basements: Why the Basement Drives Risk
The definitive guide to understanding why basements are the strongest predictive factor for elevated radon levels. Learn how different basement types affect radon accumulation, entry points, and the most effective mitigation strategies for basement homes.
The Science of Radon in Georgia: Complete Health & Safety Guide
The most comprehensive scientific guide to radon in Georgia. Nuclear physics of radon decay, Georgia's uranium-rich geology, how radon causes lung cancer, measurement technology, and mitigation systems explained by certified radon professionals.
Georgia Radon Levels: County-by-County Analysis
The definitive resource on radon in Georgia. Explore EPA zone designations, county-specific data, geological factors, health risks, and actionable protection strategies for every Georgia homeowner.
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