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Q: How long can you go without a radon fan?

• <div><p>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.</p></div>

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: 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: Can you remediate radon yourself?

• <div><p>There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.</p></div>

Q: What if radon is still high after mitigation?

• <div><p>You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.</p></div>

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

*The Angi rating for Radon Detection And Reduction companies in Goshen, 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 Goshen, 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 February 04, 2026

Reviewed in February 2026
Most professional and knowledgeable of the contractors who quoted on installing a Radon Midigation System. He did an outstanding job in all aspects. Arrived on time, explained the work in detail and was efficient in getting the job done and excellent clean up.
The Home Inspection Pro, LLC
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Reviewed in May 2023
Radon was reduced to a safe level with installation of the mitigation system.. I Am very happy and highly recommend this company.
Basement Worx Waterproofing, LLC
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Reviewed in October 2021
Treated for fleas after the visit there was no reduction at all, they are going to treat again so we will see how that goes.
Terminix
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Reviewed in June 2021
Denis really knows his business. He installed our Radon Vent in two quick hours. The job looks perfect, and we had results on our own radon monitor the next day. It was a huge improvement. 8.3 average down to 1.3, and the next day down to less than one consistently. His post install test showed...
Professional Radon Mitigation, LLC
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Reviewed in February 2021
Service was excellent start to finish. This is the 2nd time I’ve worked with Mobile Radon Diagnostics over the past five years and they have never disappointed. Radon levels dropped dramatically to safe levels after installation and equipment hasn’t caused any issues.
MOBILE RADON DIAGNOSTICS INC
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Reviewed in May 2020
Bob did my original install a few years ago and did a phenomenal job. Very clean and even did a paint match on the exhaust pipe to the trim of the house. I was very pleased. I was even more pleased when we ran into an issue with the motor on the unit. Bob was quick to respond and changed...
RADON SPECIALTIES COMPANY LLC
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Reviewed in June 2019
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
Tri-State Radon and Mold, Inc.
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Reviewed in January 2019
Excellent job! They even detected a small nick in the glass, were careful to show where the nick was, and then took it back to the shop to get another piece of glass.
J Royce Auto Glass
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Reviewed in July 2018
I selected Chris Green, an Independent Home Inspector, from the top of Angie's List. With Chris Green's many years in home building, home inspection experience, extensive knowledge, awards, as well as leadership positions he has held in his profession, he was my Home Inspector choice. Chris was...
Inspector C.H.R.I.S.
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Reviewed in June 2018
Brian's inspection saved me from thousands of dollars of repairs I'd not have found otherwise had I proceeded with the purchase of the home. He was professional, punctual and thorough throughout the inspection. I appreciated his expertise so much, I hired him to do the inspection on the next...
GUARDIAN INSPECTIONS
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Find Radon detection and reduction specialists in Goshen

Tri-State Radon and Mold, Inc.

4.8(

)

Serving Goshen, OH and surrounding areas

In business since 2010

Free estimates

Warranties offered

"They were on time when promised. The work was done fairly quickly (about 3-4 hrs) and they left no mess. Most importantly, the work done has solved the radon problem, lowering numbers from 15-25 down to less than 1."

Recommended by98%of homeowners

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Eagle Eye Home Inspections of Southern Ohio, Inc.

5.0(

)

Serving Goshen, OH and surrounding areas

In business since 2015

Emergency services offered

Credit card accepted

"Shawn was on time and removed his shoes. Very courteous and professional."

Response time6 hrs

Recommended by100%of homeowners

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The Ohio Home Inspections Co

4.0(

)

Serving Goshen, 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

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HomeTeam Inspection Service

3.4(

)

Serving Goshen, OH and surrounding areas

In business since 1972

Free estimates

Credit card accepted

"it was a good experience. they were very helpful."

Recommended by85%of homeowners

Serving Goshen, 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 Goshen, 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

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.

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.

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.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

The Goshen, 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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