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Core-drilling the slab for a new radon suction point
Radon Testing

Radon Testing in Madison

Service for short-term, long-term, real-estate, and follow-up radon test planning in Madison, WI.

Call for an estimate and a practical recommendation for the property.

Radon mitigation help
Serving Madison and nearby areas
Testing, sub-slab systems, sump sealing, and fan repair
Call Now(608) 367-3371
Radon MitigationTesting, sub-slab systems, sump sealing, fans, and real-estate timing
Service AreaMadison, Verona, Waunakee, and McFarland
EstimatesStraight answers before the job is scheduled

Testing is the least expensive step in the entire radon story and the one everything else waits on. A short-term kit or 48-hour continuous monitor in the lowest lived-in level, closed-house conditions, turns Dane County's Zone 1 designation into your house's actual number.

Reasons to schedule this service

Continuous radon monitor running a 48-hour test

This service may be the right fit when one of these situations sounds familiar:

  • a basement has not been tested
  • a home sale needs a radon result
  • a previous test came back high

What matters for Madison properties

Wisconsin's testing data says high results are routine here — roughly half of tests in many counties exceed the action level. Winter readings are the honest ones: sealed house, running furnace, maximum stack effect. If a January test comes back low in Madison, you can genuinely relax.

What affects the estimate

  • test duration
  • closed-house conditions
  • foundation type
  • weather
  • follow-up timing

How the work usually goes

A professional test visit is short:

  1. Test Result Review: Review the radon test result, test date, foundation layout, basement use, and any real-estate deadline.
  2. Foundation And Sump Check: Check slab areas, sump pits, drain tile, crawl spaces, pipe routes, fan locations, and discharge options.
  3. System Design Planning: Plan the mitigation system, sealing details, electrical needs, fan placement, and retest timing.
  4. Pipe Fan And Sealing Work: Install or repair the pipe, fan, suction point, sump cover, crawl-space barrier, or sealing work.
  5. Retest And Maintenance Guidance: Review manometer readings, labels, maintenance notes, and when the home should be tested again.
Continuous radon monitor running a 48-hour testRouting the radon vent pipe from the slab in the basementSealing the sump pit lid as part of radon mitigation
Sealing the sump pit lid as part of radon mitigation
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Ready to schedule radon testing?

Call now to get an estimate and talk through timing.

FAQ

Radon Testing FAQ

When should I schedule radon testing?
It is worth getting the work checked when a basement has not been tested or when the issue affects safety, comfort, drainage, appearance, or the next phase of a project.
What affects the estimate for radon testing?
The estimate can change based on test duration, closed-house conditions, foundation type, and weather, prep, cleanup, and current site conditions.
Can I get a ballpark before scheduling?
Often, yes. A final number usually depends on the property, materials, prep, and the condition of the existing area.
What should I ask about?
Ask about timing, prep, cleanup, materials, warranty terms, insurance, and anything that could change the final work plan.
Call Now (608) 367-3371