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

Avatar for Ohio Radon Testing and Mitigation Company
Ohio Radon Testing and Mitigation Company
5.0(
6
)
Radon Gas - AbatementRadon Gas - Testing

Serving Montville, OH and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"They brought my number down substantially. I had a really good experience about them. The company tells you exactly what's going on and supported the fact with documents. The workers were personable and work fast. I would recommend them to everybody and I'll definitely use them again"
Mitigation Install
Mitigation Install
Mitigation Install
Mitigation Install
Mitigation Install

+1

Recommended by100%of homeowners
Avatar for Brownstone Solutions, LLC
Brownstone Solutions, LLC
5.0(
3
)
Radon Gas - AbatementRadon Gas - Testing

Serving Montville, OH and surrounding areas

In business since 2015

Free estimates

Credit card accepted

InterNACHI certified, Brownstone Solutions is one of the most knowledgeable, professional, and respected home inspection company in the region. We focus on the quality of our work, and we are standing by ready to serve. We also offer mold testing and radon testing. The owner is a 10 year veteran of the U.S. Navy.

Additional Photos
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+4

Recommended by100%of homeowners
Radon Detection and Reduction FAQs, answered by experts

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

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.

Installation typically takes 1-2 days, depending on the system and property layout.

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.

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.

The Montville, 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.