
Radon Mitigation in Windsor, ON
Compare 11 radon mitigation contractors near you in Windsor and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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Advanced Basement Systems
4.919½+ years onlineSupreme Services
4.9Puroclean Restoration of Windsor Essex
4.4Radon Mitigation in Nearby ON Cities
Other Services in Windsor
Radon Mitigation in Windsor, ON
Windsor, Ontario radon mitigation contractors serve Essex County where elevated radon levels are common in many residential homes. Local installers handle sub-slab depressurization (the most common active radon system), drain tile suction, and crawlspace membrane systems. Ontario doesn't require provincial radon contractor licensing, but reputable installers hold C-NRPP (Canadian National Radon Proficiency Program) certifications. Pre-purchase radon testing during real estate transactions drives most mitigation work.
Windsor's geological substrate produces elevated radon levels often exceeding 200-400 Bq/m³ (above Health Canada's 200 Bq/m³ guideline). Most homes with poured concrete slabs respond well to a single suction point. The cross-border community with Detroit drives demand. Cold-rated fan housing handles Ontario winters.
Frequently Asked Questions
- How much does Windsor radon mitigation cost?
- A typical sub-slab depressurization system runs $2,000-3,500 CAD in Windsor.
- Is the contractor certified?
- Reputable installers hold C-NRPP certification.
- Should I retest?
- Yes, reputable installers conduct a long-term test 90+ days after install.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Windsor and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.
