Free radon tools
Free Radon Calculators
Check your radon test result against EPA and WHO levels, and estimate what a radon fan costs to run. Results show instantly in your browser. These tools give educational estimates only.
Radon Calculators for Iowa Homeowners
Radon Test Result Checker
Enter your radon result in pCi/L to see how it compares to the EPA action level and WHO reference level, and how much reduction a system would need.
Open calculator Tool 02Radon Fan Operating Cost Calculator
Estimate what your radon fan costs to run each month and year based on fan wattage and your electricity rate.
Open calculatorWhat to Do With Your Result
Every Iowa county is in EPA Zone 1, the highest radon potential. If your checker result is at or above 4.0 pCi/L, the next step is a mitigation quote. If you don't have a recent number, start with professional radon testing.
- No recent test? Book a 48-hour CRM test with an hourly report.
- 4.0 pCi/L or higher? See residential radon mitigation, with a post-mitigation test included.
- Fan noisy or alarm on? We handle radon system maintenance and fan replacement.
Ready to Lower Your Radon Level?
Send your test result and foundation type, or call our 24-hour line. Every system we install is backed by a 5-year warranty.
- Iowa HHS credentialed
- 5-year warranty
- Post-mitigation test