EPA zone context: Most of Minnesota is Zone 1-2, with the highest levels in the Twin Cities metro and southern counties.
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Take the 90-second radon assessment4.9 (111 Google reviews)
Based in Monticello, Minnesota, this dedicated radon contractor provides radon mitigation, radon testing, post-mitigation verification testing. Handles basement, slab-on-grade foundations, uses sub-slab depressurization, and offers a 5-year warranty.
Testing methods, closed-house conditions, and how to read your results.
How basements, slabs, and crawlspaces affect radon entry and system design.
What buyers and sellers should expect during testing, mitigation, and closing.
Maintenance schedules, fan replacement, and keeping your mitigation system effective.