Radon Guides for Iowa Homes
30 plain-language guides from Iowa HHS-credentialed radon specialists. Understand your number, compare your options and know what to expect before you book anything.
Radon in Iowa: The Basics
Start here if you are new to radon, holding a test result, or dealing with radon in a home sale.
How to Verify an Iowa-Credentialed Radon Mitigation Contractor
How to check an Iowa HHS radon credential, what NRPP, NRSB, CERTI and ICA training mean, questions to ask, and red flags to avoid.
Read guideRadon and Lung Cancer: The Health Risk Iowa Homeowners Should Understand
Radon is the second leading cause of lung cancer. A factual look at long-term exposure, smoker vs. non-smoker risk, and how testing fixes it.
Read guideRadon in an Iowa Home Sale: Who Pays for Mitigation, Buyer or Seller?
Failed radon inspection in Iowa? Common outcomes (seller installs, credit, escrow), how to time a system before closing, and clearance testing.
Read guideWhat Radon Level Is Safe? Reading Your pCi/L Test Results
Understand your radon test in pCi/L: the EPA 4.0 action level, the 2.0 to 3.9 'consider' range, and next steps for each result.
Read guideWhy Are Radon Levels in Iowa So High?
Iowa's glacial soils make radon a statewide issue. What radon is, why the Des Moines Lobe matters, and why every Iowa home should test.
Read guideWinter vs. Summer: Why Iowa Basement Radon Levels Change With the Seasons
Why Iowa radon readings rise in winter: stack effect, frozen ground and sealed homes. How to read a seasonal result and when to test.
Read guideRadon Mitigation Guides
Custom radon mitigation systems for basements, slabs, crawlspaces and well water. Each system is designed after a free virtual estimate and covered by a 5-year warranty.
Crawlspace Radon Mitigation: How Sub-Membrane Depressurization Works
How sub-membrane depressurization handles radon in crawlspaces and mixed-foundation homes: sealed vapor barriers, piers, access and storage.
Read guideDo Radon Mitigation Systems Really Work? What Reduction to Expect
What reduction to expect from a radon system, why we can reach up to 98.9%, what limits results, and how a post-mitigation test proves it.
Read guideHow a Radon Mitigation System Works: Sub-Slab Depressurization Explained
How sub-slab depressurization pulls radon from under your home: suction pit, PVC pipe, inline fan, roofline discharge and the manometer.
Read guideHow Much Does Radon Mitigation Cost in Iowa?
What drives radon mitigation cost in Iowa: foundation, suction points, routing, sump and crawlspace, plus fan running costs and flat-rate pricing.
Read guideInterior vs. Exterior Radon Mitigation Systems: Pros, Cons and Iowa Winters
Garage and attic routing vs. exterior pipe: appearance, resale, Iowa freeze risk, condensation and noise, and how the virtual estimate picks your route.
Read guidePassive vs. Active Radon Systems: Is Your New Iowa Home Actually Protected?
Your new home's builder pipe may not be enough. What a passive rough-in is, why it often misses 4.0, and how adding a fan activates it.
Read guideRadon in Well Water: When an Iowa Home Needs Waterborne Radon Mitigation
How radon escapes from private well water into indoor air, when to test your water, and the waterborne radon treatment options.
Read guideSump Pits and Radon: Why an Open Sump Undermines Your Mitigation System
Open sump crocks leak radon and kill system suction. How sealed sump lids work, how to service your pump, and when the sump is the suction point.
Read guideWhat to Expect on Radon Mitigation Installation Day
From virtual estimate to install day: core drilling, pipe routing, fan install, sealing, manometer labeling, post-mitigation test and warranty.
Read guideRadon Testing Guides
Credentialed radon testing and inspections for real estate transactions, post-mitigation clearance, and homeowners who simply want to know their level.
DIY Radon Test Kits vs. Professional Radon Testing
When a charcoal radon kit is fine and when you need a credentialed CRM test: accuracy, handling errors, lab turnaround and real estate requirements.
Read guideDo Slab and Crawlspace Homes Without Basements Need Radon Testing?
No basement doesn't mean no radon. How radon enters slabs and crawlspaces, where to place a test, and how multi-level homes differ.
Read guideHow a Continuous Radon Monitor Test Works
Step by step through a professional CRM radon test: placement, the 48-hour minimum, hourly readings, tamper tracking and your report.
Read guideHow Much Does Radon Testing Cost in Iowa?
What affects radon testing cost in Iowa: DIY kit vs. professional test, real estate vs. routine testing, travel across the service area, and quotes.
Read guideHow Often Should You Test Your Home for Radon in Iowa?
Retest every two years after mitigation, after renovations or HVAC changes, and before buying or selling. Untested homes should test now.
Read guidePost-Mitigation Radon Testing: When to Retest and What the Results Mean
When to test after a radon system is installed, independent vs. installer testing, reading the result against 4.0, and what happens if it fails.
Read guideRadon Testing During an Iowa Home Sale: Timelines and Closed-House Rules
Fit a radon test into your Iowa inspection window: closed-house rules, tamper concerns, and what to do with a high result before closing.
Read guideShort-Term vs. Long-Term Radon Tests: Which One Do You Need?
2 to 7 day vs. 90+ day radon tests: when speed matters (real estate), when seasonal accuracy matters, and which to choose for your situation.
Read guideRadon System Repairs Guides
Repairs for existing radon systems, including fans, pipes and joints, indicators and error codes. We fix systems we installed and systems other contractors installed.
Cracked Pipes, Loose Joints and Frozen Exhaust: Radon System Problems in Iowa Winters
Iowa winters stress radon systems: condensation and ice blockage, cracked PVC, failed couplings and roof flashing leaks. Repair and prevention options.
Read guideHow Long Does a Radon Fan Last? Repair vs. Replacement
Typical radon fan lifespan, failure signs, when repair makes sense vs. replacement, and how warranty coverage factors in.
Read guideRadon Fan Humming, Rattling or Vibrating: Causes and Fixes
Normal vs. abnormal radon fan sounds, plus common causes (bearing wear, loose couplings, mounting vibration) and fixes such as isolators or relocation.
Read guideRadon Manometer at Zero or Alarm Sounding? What Your System Indicator Means
How to read a U-tube radon manometer, what a level or zero reading means, electronic alarm and error codes, and quick checks before calling.
Read guideCommercial Radon Systems Guides
Commercial-scale radon testing and mitigation for new construction, HUD-financed multifamily properties and schools across Central and Eastern Iowa.
HUD Radon Requirements for Multifamily Properties in Iowa
Which HUD-financed multifamily projects trigger radon testing, ANSI/AARST multifamily standards, sample sizes, and documentation for financing.
Read guideRadon Testing and Mitigation in Iowa Schools
School radon testing protocols (classroom coverage, HVAC conditions), scheduling around occupancy, large-building mitigation and reporting.
Read guideRadon-Resistant New Construction in Iowa: A Builder's Guide
Iowa new-construction radon control at a high level: gravel layer, membrane, vent stack, activating a passive stack, and pre-occupancy testing.
Read guideHave a Radon Number in Hand?
Send it to us with a few photos of your basement. You'll get a flat-rate price for mitigation, free, before anyone comes out.
- 5-Year Warranty
- Flat-Rate Pricing
- Iowa HHS-Credentialed