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Top-Rated Radon detection and reduction specialists in Miamisburg - Updated Nov 2026

Avatar for Ohio Certified Inspections
Ohio Certified Inspections
4.9(
46
)
Radon Gas - Testing

Serving Miamisburg, OH and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"We hired OCI to inspect a home being sold by the owner. Craig arrived on time and did a thorough job. The pictures, comments and explanations of possible problems was easy to understand. He is a true professional. The time and money we spent was worth every penny. I won't buy another home without his inspection."
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+39

Response time10 mins
15 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Simply Radon, LLC
Simply Radon, LLC
4.8(
11
)
Radon Gas - AbatementRadon Gas - Testing

Serving Miamisburg, OH and surrounding areas

In business since 2008

Free estimates

Credit card accepted

"Our radon system fan needed to be replaced and we were able to get that done the day after I talked to this company. Very quick and courteous service and didn't cost as much as we were anticipating."
Inside
Roof top
Water  tight seal for roof
Outside
Outside

+11

Response time1 day
Recommended by100%of homeowners
Avatar for The Ohio Home Inspections Co
The Ohio Home Inspections Co
4.0(
7
)
Radon Gas - AbatementRadon Gas - Testing

Serving Miamisburg, OH and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"Kevin was very thorough, easy to work with, and provided an excellent report. He also continues to send monthly newsletters at no additional charge that have very helpful tips and information about home maintenance."
Additional Photos
Additional Photos
Recommended by71%of homeowners
Radon Detection and Reduction FAQs, answered by experts

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

A homeowner can install a radon mitigation system on their own. But it’s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

The Miamisburg, OH homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.