Radon Mitigation in Ann Arbor, MI

How mitigation actually works

The most common fix for a high radon reading is a sub-slab depressurization system. A suction pipe is sealed into the slab, and a continuously-running fan draws radon gas from under the foundation and vents it above the roofline before it can enter the home. It's a quiet, low-maintenance setup that runs in the background once it's installed.

If your test came back above 4 pCi/L, mitigation is what brings it down. A well-designed system usually gets a home well under the action level, and often below 2 pCi/L. We connect you with certified local pros who size and place the system for your specific foundation.

What homeowners may need

• Sub-slab depressurization system installation
• Systems for basements, crawl spaces, or slab-on-grade
• Multiple suction points on larger or split foundations
• Sealing of slab cracks and openings
• A post-installation test to confirm the result

What it costs and what to expect

Most residential mitigation systems in Michigan run between about $800 and $2,500, with a typical single-suction-point basement job landing in the middle of that range. It's usually a one-day install for a two-person crew. Homes with slab-on-grade or multiple foundation types can need more than one suction point, which raises the price.

The fan runs continuously and uses a modest amount of electricity, comparable to a small appliance. After the system is installed, a follow-up test confirms the level has actually dropped, which is the step that tells you the job worked.