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Q: What is considered a safe or dangerous level of radon?

• <div><p>No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. 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 preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.</p></div>

Q: Do air purifiers help with radon?

• <div><p>No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.</p></div>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</p></div>

Q: How much does a radon mitigation system cost?

• <div><p>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.</p></div>

Q: What are the risks of radon?

• <div><p>Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don&rsquo;t hesitate to perform radon testing and install a mitigation system as soon as possible.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Oak Harbor, OH

*The Angi rating for Radon Detection And Reduction companies in Oak Harbor, OH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Oak Harbor, OH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on July 22, 2025

Reviewed in July 2025
My husband and I needed to have a new roof put on and decided to go with perfection metal roofing inc. Justin came out and told us all of the pros and cons helped us make some important decisions. He was very thorough in his job. And we appreciate all of his truthfulness. We decided to go...
Perfection Metal Roofing, Inc.
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Reviewed in February 2025
Absolutely the best experience I have ever had with solving a problem ever. Jason called me within minutes after I contacted Angi List. Came over same day and diagnosed the problem. Gave us what we felt was an extremely fair quote to repair a 20 year old washer. We called and told him we accept...
Edwards Appliance Repair
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Reviewed in July 2024
It went well as they keep to the schedule and completed the job on the scheduled completion date. Kyle and his employees were very professional and courteous while on the jobsite. They did no damage to the property and cleaned the job site at the end of the project. I would definitely hire them...
Uher Custom Concrete
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Reviewed in July 2024
Jakota was honest and recommended repair rather than a roof replacement. He matched the color and style of our existing shingles and completed the work ahead of schedule and left the worksite clean! My wife was home when he/they came and found them to be easy to work with. I highly reccommend...
We Nailed It Home Improvement
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Reviewed in July 2023
I would highly recommend this company. Anstead did great work in cutting very large trees back from the property line. They were professional, informative, and left the property with no debris. The price was appropriate and reasonable for the work completed.
Anstead Landscaping & Tree Removal Services, LLC
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Reviewed in December 2022
Great! Had a critical problem with the main power line coming off the pole and out of the meter. Caught Great Lakes late in the day on their way home, but they still stopped to take a look. Replaced the parts and repaired the line that evening before going home, and before a severe cold snap so...
Great Lakes Electric
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Reviewed in August 2022
Great company! Very professional and quality work. We had a wooden privacy fence installed and also chain link in one area. Very prompt with the estimate and work was completed ahead of schedule.
4A Fence & Supply LLC
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Reviewed in July 2022
Job was done quickly and they worked with me on downspout placement for best drainage.
CMC SEAMLESS
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Reviewed in August 2021
Absolutely fantastic job on my home gas line project. Very professional and quick. He even replace tub, sink, and washer shut off valves. Contacted late Wednesday night through Angi.com and the plumber Thursday morning. I would recommend Drain Solutions to any and everyone needing a plumber.
Drain Solutions Plumbing & Drain Cleaning
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Reviewed in July 2021
I cannot say thanks enough to the entire WOJO team who responded quickly to rectify some issues I had after the initial installation of my HVAC system. They dispatched (IMHO and I am a GM for a plumbing company) the best technicians I have dealt with period: Carl and his apprentice Tom. They...
Wojo's Heating & Air Conditioning Inc
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Find Radon detection and reduction specialists in Oak Harbor

Security First Home Inspections & Remediation

4.8(

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Serving Oak Harbor, OH and surrounding areas

Free estimates

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"I just put a brand new roof on my home and i called a security first inspection to come out and make sure it was done properly and he found major issues with the ventilation the roofers put on so it was worth my money to call someone out that did identify problems and i got it straightened out before it caused an issuea,"

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. 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 preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

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

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.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

The Oak Harbor, 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.

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Mar 18, 2026Mar 18, 2026
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Radon Mitigation System Diagram: Understanding How It Works
You need to protect your home from radon, but what does a radon mitigation system look like? Check out this radon mitigation system diagram to learn how it works.