# Iowa Radon Systems - Iowa City

> Iowa Radon Systems is a radon testing and mitigation contractor based in Iowa City, Iowa, United States. Founded on March 6, 2016, the company installs radon mitigation systems (sub-slab, crawlspace, exterior, waterborne and vapor intrusion), performs real estate and post-mitigation radon testing, repairs existing radon systems, and builds commercial systems for new construction, HUD multifamily properties and schools. Its field technicians are credentialed through the Iowa Department of Health and Human Services radon program and hold NRPP, NRSB, CERTI or ICA School training. The company provides virtual estimates before any on-site visit and a 5-year warranty on systems and installations. It serves 27 counties in Central and Eastern Iowa, from Dallas County east to Dubuque and Scott counties.

- Contact: online estimate form at https://iowaradonsystems.com/free-estimate/
- Address: 1275 W Highway 1, Iowa City, IA 52240
- Hours: Office Monday–Friday, 9:00 AM–5:00 PM; 24-hour customer support for booking and questions
- Credentials: Iowa HHS radon mitigation and measurement credentialing; NRPP, NRSB, CERTI or ICA School training
- Warranty: 5 years on all systems and installations
- Established: 2016

## Services

- [Commercial Radon Systems](https://iowaradonsystems.com/commercial-services/): Designs radon testing and mitigation for new construction, HUD-financed multifamily buildings and schools.
- [Radon Mitigation](https://iowaradonsystems.com/radon-mitigation/): Installs radon reduction systems for basements, slabs, crawlspaces and private wells to bring indoor radon below the EPA 4.0 pCi/L action level.
- [Radon System Repairs](https://iowaradonsystems.com/system-repairs/): Diagnoses and fixes existing radon systems with failed fans, leaking pipes and joints, zero manometer readings or alarm error codes.
- [Radon Testing](https://iowaradonsystems.com/radon-testing/): Measures indoor radon with continuous monitors for real estate transactions, post-mitigation clearance and routine homeowner checks.

## Guides

- [Cracked Pipes, Loose Joints and Frozen Exhaust: Iowa Winter Radon Problems](https://iowaradonsystems.com/guide/radon-pipe-problems-winter/): Iowa winters stress radon systems: condensation and ice blockage, cracked PVC, failed couplings and roof flashing leaks. Repair and prevention options.
- [Crawlspace Radon Mitigation: How Sub-Membrane Depressurization Works](https://iowaradonsystems.com/guide/crawlspace-radon-mitigation/): How sub-membrane depressurization handles radon in crawlspaces and mixed-foundation homes: sealed vapor barriers, piers, access and storage.
- [DIY Radon Test Kits vs. Professional Radon Testing](https://iowaradonsystems.com/guide/diy-vs-professional-radon-test/): When a charcoal radon kit is fine and when you need a credentialed CRM test: accuracy, handling errors, lab turnaround and real estate requirements.
- [Do Radon Mitigation Systems Really Work?](https://iowaradonsystems.com/guide/do-radon-mitigation-systems-work/): 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.
- [Do Homes Without Basements Need Radon Testing?](https://iowaradonsystems.com/guide/radon-testing-homes-without-basements/): No basement doesn't mean no radon. How radon enters slabs and crawlspaces, where to place a test, and how multi-level homes differ.
- [How a Continuous Radon Monitor Test Works](https://iowaradonsystems.com/guide/continuous-radon-monitor-test/): Step by step through a professional CRM radon test: placement, the 48-hour minimum, hourly readings, tamper tracking and your report.
- [How a Radon Mitigation System Works: Sub-Slab Depressurization Explained](https://iowaradonsystems.com/guide/how-radon-mitigation-works/): How sub-slab depressurization pulls radon from under your home: suction pit, PVC pipe, inline fan, roofline discharge and the manometer.
- [How Long Does a Radon Fan Last? Repair vs. Replacement](https://iowaradonsystems.com/guide/radon-fan-lifespan-repair-vs-replace/): Typical radon fan lifespan, failure signs, when repair makes sense vs. replacement, and how warranty coverage factors in.
- [How Much Does Radon Mitigation Cost in Iowa?](https://iowaradonsystems.com/guide/radon-mitigation-cost-iowa/): What drives radon mitigation cost in Iowa: foundation, suction points, routing, sump and crawlspace, plus fan running costs and flat-rate pricing.
- [How Much Does Radon Testing Cost in Iowa?](https://iowaradonsystems.com/guide/radon-testing-cost-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.
- [How Often Should You Test Your Home for Radon in Iowa?](https://iowaradonsystems.com/guide/how-often-test-for-radon/): Retest every two years after mitigation, after renovations or HVAC changes, and before buying or selling. Untested homes should test now.
- [How to Verify an Iowa-Credentialed Radon Mitigation Contractor](https://iowaradonsystems.com/guide/iowa-radon-contractor-credentials/): How to check an Iowa HHS radon credential, what NRPP, NRSB, CERTI and ICA training mean, questions to ask, and red flags to avoid.
- [HUD Radon Requirements for Multifamily Properties in Iowa](https://iowaradonsystems.com/guide/hud-radon-requirements-multifamily/): Which HUD-financed multifamily projects trigger radon testing, ANSI/AARST multifamily standards, sample sizes, and documentation for financing.
- [Interior vs. Exterior Radon Mitigation Systems: Pros, Cons and Iowa Winters](https://iowaradonsystems.com/guide/interior-vs-exterior-radon-system/): Garage and attic routing vs. exterior pipe: appearance, resale, Iowa freeze risk, condensation and noise, and how the virtual estimate picks your route.
- [Passive vs. Active Radon Systems: Is Your New Iowa Home Protected?](https://iowaradonsystems.com/guide/passive-vs-active-radon-system/): 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.
- [Post-Mitigation Radon Testing: When to Retest and What Results Mean](https://iowaradonsystems.com/guide/post-mitigation-radon-test/): 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.
- [Radon and Lung Cancer: What Iowa Homeowners Should Know](https://iowaradonsystems.com/guide/radon-lung-cancer-risk/): 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.
- [Radon Fan Humming, Rattling or Vibrating: Causes and Fixes](https://iowaradonsystems.com/guide/radon-fan-noise/): Normal vs. abnormal radon fan sounds, plus common causes (bearing wear, loose couplings, mounting vibration) and fixes such as isolators or relocation.
- [Who Pays for Radon Mitigation in an Iowa Home Sale?](https://iowaradonsystems.com/guide/who-pays-for-radon-mitigation/): Failed radon inspection in Iowa? Common outcomes (seller installs, credit, escrow), how to time a system before closing, and clearance testing.
- [Radon in Well Water: When an Iowa Home Needs Waterborne Mitigation](https://iowaradonsystems.com/guide/radon-in-well-water/): How radon escapes from private well water into indoor air, when to test your water, and the waterborne radon treatment options.
- [Radon Manometer at Zero or Alarm Sounding? What It Means](https://iowaradonsystems.com/guide/radon-manometer-zero-reading/): 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.
- [Radon Testing and Mitigation in Iowa Schools](https://iowaradonsystems.com/guide/radon-testing-iowa-schools/): School radon testing protocols (classroom coverage, HVAC conditions), scheduling around occupancy, large-building mitigation and reporting.
- [Radon Testing During an Iowa Home Sale: Timelines and Closed-House Rules](https://iowaradonsystems.com/guide/radon-testing-home-sale/): Fit a radon test into your Iowa inspection window: closed-house rules, tamper concerns, and what to do with a high result before closing.
- [Radon-Resistant New Construction in Iowa: A Builder's Guide](https://iowaradonsystems.com/guide/radon-resistant-new-construction-iowa/): Iowa new-construction radon control at a high level: gravel layer, membrane, vent stack, activating a passive stack, and pre-occupancy testing.
- [Short-Term vs. Long-Term Radon Tests: Which Do You Need?](https://iowaradonsystems.com/guide/short-term-vs-long-term-radon-test/): 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.
- [Sump Pits and Radon: Why an Open Sump Undermines Your System](https://iowaradonsystems.com/guide/sump-pit-radon/): 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.
- [What Radon Level Is Safe? How to Read Your pCi/L Results](https://iowaradonsystems.com/guide/what-radon-level-is-safe/): 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.
- [What to Expect on Radon Mitigation Installation Day](https://iowaradonsystems.com/guide/radon-mitigation-installation-what-to-expect/): From virtual estimate to install day: core drilling, pipe routing, fan install, sealing, manometer labeling, post-mitigation test and warranty.
- [Why Are Radon Levels in Iowa So High?](https://iowaradonsystems.com/guide/why-is-radon-high-in-iowa/): 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.
- [Winter vs. Summer: Why Iowa Radon Levels Change With the Seasons](https://iowaradonsystems.com/guide/radon-levels-winter-vs-summer/): Why Iowa radon readings rise in winter: stack effect, frozen ground and sealed homes. How to read a seasonal result and when to test.

## Tools

- [Radon Test Result Calculator](https://iowaradonsystems.com/tools/radon-level-calculator/): Enter your radon test result to see how it compares to the EPA action level and how much reduction you need to reach safe levels.
- [Radon Retest Reminder Calculator](https://iowaradonsystems.com/tools/radon-retest-date-calculator/): Find out when your home is due for its next radon test based on your last test and recent changes to the house.

## Areas Served

- Johnson County: Iowa City, Coralville, North Liberty, Tiffin, Solon, Lone Tree, University Heights, Hills
- Linn County: Cedar Rapids, Marion, Hiawatha, Mount Vernon, Robins, Fairfax, Center Point, Ely, Lisbon, Palo, Central City
- Washington County: Washington, Kalona, Wellman, Riverside
- Louisa County: Wapello, Columbus Junction, Morning Sun
- Muscatine County: Muscatine, West Liberty, Wilton, Fruitland
- Scott County: Davenport, Bettendorf, Eldridge, Le Claire, Blue Grass, Walcott, Buffalo, Princeton
- Cedar County: West Branch, Tipton, Durant, Clarence
- Jones County: Anamosa, Monticello, Olin
- Clinton County: Clinton, DeWitt, Camanche, Wheatland
- Jackson County: Maquoketa, Bellevue, Preston, Sabula
- Dubuque County: Dubuque, Asbury, Dyersville, Cascade, Peosta, Epworth, Farley
- Delaware County: Manchester, Earlville, Hopkinton
- Buchanan County: Independence, Jesup, Fairbank, Winthrop
- Black Hawk County: Waterloo, Cedar Falls, Evansdale, Hudson, La Porte City, Elk Run Heights
- Grundy County: Grundy Center, Reinbeck, Dike, Conrad
- Hardin County: Iowa Falls, Eldora, Ackley, Hubbard
- Hamilton County: Webster City, Jewell Junction, Stratford
- Story County: Ames, Nevada, Huxley, Story City, Slater, Gilbert, Roland, Maxwell
- Dallas County: Waukee, Perry, Adel, Granger, Van Meter, Dallas Center, Woodward, De Soto, Redfield
- Polk County: Des Moines, Ankeny, West Des Moines, Urbandale, Johnston, Altoona, Clive, Grimes, Pleasant Hill, Bondurant, Polk City, Windsor Heights, Mitchellville, Elkhart
- Warren County: Indianola, Norwalk, Carlisle, Milo
- Marion County: Pella, Knoxville, Pleasantville, Melcher-Dallas
- Jasper County: Newton, Colfax, Monroe, Prairie City, Baxter, Sully
- Marshall County: Marshalltown, State Center, Le Grand
- Tama County: Tama, Toledo, Traer, Dysart, Gladbrook
- Poweshiek County: Grinnell, Brooklyn, Guernsey, Montezuma
- Iowa County: Williamsburg, Marengo, North English, Victor

## Optional

- [About](https://iowaradonsystems.com/about/)
- [Free Virtual Estimate (contact)](https://iowaradonsystems.com/free-estimate/)
- [Service Area](https://iowaradonsystems.com/service-area/)
- [Radon Guides index](https://iowaradonsystems.com/guide/)
- [Blog](https://iowaradonsystems.com/blog/)
- [Full Content](https://iowaradonsystems.com/llms-full.txt)