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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: What level of radon is considered safe or dangerous?

• <div><p>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.</p></div>

Q: Can I install my own radon mitigation system?

• <div><p>A <a href="https://www.angi.com/articles/can-homeowners-install-radon-mitigation-systems.htm">homeowner can install a radon mitigation system</a> on their own. But it&rsquo;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.</p></div>

Q: Do radon mitigation systems decrease home value?

• <div><p>No, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.</p></div>

Q: Can I perform radon gas abatement myself?

• <div><p>While DIY testing is possible, abatement generally requires professional installation to ensure efficacy and meet safety standards.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Harrison, OH

*The Angi rating for Radon Detection And Reduction companies in Harrison, 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 Harrison, 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 April 28, 2026

Reviewed in April 2026
Joe was so great and professional and very knowledgable! HE DESERVES A PAY RAISE AND PROMOTION!Your company is very blessed to have such a great employee and better yet a great man! God bless you all and Joe!
Mr. Rooter Plumbing Of Greater Cincinnati
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Reviewed in July 2025
Excel did a thorough assessment of all my trees. They removed a dying giant Maple from my front yard and also a couple of completely dead evergreens. The Maple along with the stump removal was a very big job. We were very pleased with the results. Great Job!
Excel Tree Specialist LLC
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Reviewed in June 2025
I had a fantastic experience with Advantaclean of Fairfield and Mason! After dealing with unexpected water damage in my home, I called them for help, and they were quick to respond. From the initial assessment to the final restoration, the team was professional, knowledgeable, and...
AdvantaClean of Fairfield and Mason
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Reviewed in November 2024
Most affordable tree removal I found. Showed up and were out and cleaned up in only a couple hours.
Catramex LLC
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Reviewed in September 2024
After the high winds from Helen I had many downed limbs and branches plus an uprooted tree stump. I contacted Jay, he was out that day to provide a free quote ( very reasonable) and came the next day to perform the work. He also picked up all the little twigs and blew the leaves from the mulch,...
Jayco Lawncare and Landscaping Service LLC
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Reviewed in June 2024
We are so happy with our new patio and sidewalk. Grey and Son exceded our expectations and went above and beyond to make this area so perfect for our family. We love spending time on the patio. They were quick and efficient. I would highly recommend. Thank you Grey and Son!
Gray and Son Construction LLC
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Reviewed in June 2024
Lindgren Home Improvements handled all our handyman needs efficiently and at a fair price. They were professional, courteous, and highly skilled.
Lindgren Home Improvements LLC
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Reviewed in May 2024
Although our final lab results came back as negative for asbestos, Harrison provided great service, advise, and follow up while waiting for the final test results from the lab.
EnviroGo Asbestos Solutions, LLC
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Reviewed in August 2023
Great work. My property needed a lot of cleanup and I didn't think they would be able to handle it but they proved me wrong and I'm glad they were able to do it. Have them come out for the fall season to rake these leaves up and remove I'm tired of doing that and I trust this...
O.I. Landscape
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Reviewed in February 2023
They removed a large front tree and trimmed a large back tree. Great pricing and work. A
F&M Tree Service LLC
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Find Radon detection and reduction specialists in Harrison

Complete Search Inspection, LLC

5.0(

)

Serving Harrison, OH and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"Radon test. Timely, efficient, honest, reasonable cost."

Response time50 mins

Response rate86%

22 neighbors recently requested a quote

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Fine Point Inspections, LLC

4.9(

)

Serving Harrison, OH and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Everything was fantastic. Highly recommend. He asked my concerns and made sure all of them were addressed."

+16

Response time4 hrs

Response rate89%

14 neighbors recently requested a quote

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Tri-State Radon and Mold, Inc.

4.8(

)

Serving Harrison, OH and surrounding areas

In business since 2010

Free estimates

Warranties offered

"Andy from Tristate was a real professional. He was prompt, knowledgeable and the entire analysis was completed on time with an easy to understand report. We will use this company every 2 years to monitor radon. We could not be more pleased with Andy and Home Builder! John Seifert"

Recommended by98%of homeowners

Serving Harrison, 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."

+11

Response time1 day

Recommended by100%of homeowners

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Mobile Radon Diagnostics, Inc.

5.0(

)

Serving Harrison, OH and surrounding areas

In business since 1986

"Did a great job and reasonably priced."

Recommended by100%of homeowners

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The Ohio Home Inspections Co

4.0(

)

Serving Harrison, 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."

Recommended by71%of homeowners

Serving Harrison, OH and surrounding areas

In business since 2020

Free estimates

Credit card accepted

"Very professional and got the job done. Very knowledgeable."

Response time6 hrs

Recommended by100%of homeowners

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Paramount Restoration

4.6(

)

Serving Harrison, OH and surrounding areas

In business since 2011

Emergency services offered

Credit card accepted

"William did a good job of preparation and cleaning."

Recommended by92%of homeowners

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Radon Detection and Reduction questions, answered by experts

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

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.

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, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.

While DIY testing is possible, abatement generally requires professional installation to ensure efficacy and meet safety standards.

The Harrison, 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.

See all articles

Mitchell Grant
•
Mar 18, 2026Mar 18, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
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•
Apr 6, 2026Apr 6, 2026
How Much Does Radon Remediation Cost? [2026 Data]
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
Angi
•
Mar 18, 2026Mar 18, 2026
How Much Does Radon Testing Cost? [2026 Data]
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
Amy Freeman
•
Jul 9, 2026Jul 9, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon Testing?
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.