
Get matched with top radon detection and reduction specialists in Marion, OH
There are 4 highly-rated local radon detection and reduction specialists.
Need a pro for your radon detection and reduction project in Marion, OH?
Verified Reviews for Radon Detection And Reduction pros in Marion, OH
*The Angi rating for Radon Detection And Reduction companies in Marion, 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 Marion, 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 October 26, 2025
Find Radon detection and reduction specialists in Marion

Stay Dry Waterproofing - Columbus
Stay Dry Waterproofing - Columbus
Our team at Stay Dry Waterproofing has over 20 years of experience protecting homes in Columbus. Our team of experts has experience transforming any damp, musty, and wet basement into a comfortable dry living space. We use only tested products that are guaranteed to keep your home safe. Whether you have noticed water, mold, or musty odors emitting from your basement or crawl space, we can help. Stay Dry Waterproofing is Central Ohio's leader in Basement repair and drainage needs. Everything from Basement Waterproofing, Mold Remediation, Foundation Crack and Bowed Wall Repairs, Yard Drainage, and Crawlspace Encapsulation. Life time warranties, Free Estimates and zero percent financing options.
"Great workers and very professional"
Bev S on August 2024
Our team at Stay Dry Waterproofing has over 20 years of experience protecting homes in Columbus. Our team of experts has experience transforming any damp, musty, and wet basement into a comfortable dry living space. We use only tested products that are guaranteed to keep your home safe. Whether you have noticed water, mold, or musty odors emitting from your basement or crawl space, we can help. Stay Dry Waterproofing is Central Ohio's leader in Basement repair and drainage needs. Everything from Basement Waterproofing, Mold Remediation, Foundation Crack and Bowed Wall Repairs, Yard Drainage, and Crawlspace Encapsulation. Life time warranties, Free Estimates and zero percent financing options.
"Great workers and very professional"
Bev S on August 2024

House Doctor Pomales
House Doctor Pomales
Since 1994, I have concentrated on effectively diagnosing and permanently solving moisture intrusion, mold problems, and indoor air quality issues. What this means to you is that as your specialist with concentrated experience, I have probably solved your problem dozens of times before.
"Very knowledgeable, pleasant, explains things well. Provides effective solutions."
Doina B on May 2024
Since 1994, I have concentrated on effectively diagnosing and permanently solving moisture intrusion, mold problems, and indoor air quality issues. What this means to you is that as your specialist with concentrated experience, I have probably solved your problem dozens of times before.
"Very knowledgeable, pleasant, explains things well. Provides effective solutions."
Doina B on May 2024
airPro Radon Experts
airPro Radon Experts
airPro Radon Experts is the go-to radon system contractor. We only use the highest grade products and materials to keep your home safe from radon gases. We are an owner-operated company founded by a hard-working and knowledgeable licensed radon technician. Having an owner-operated company allows clear communication from the initial consultation and throughout the system design and installation process. With no pushy or inexperienced salesmen to overlook key details of the job, you can rest assured your radon problem is in good hands. Our approach will not only give you a properly installed radon system per Ohio Department of Health and AARST standards, but also an unmatched experience you will tell your friends and neighbors about. that's our promise. At airPro we believe no corners should be cut when it comes to you and your family's health and safety, that is why we guarantee all our workmanship and have extensive warranties on all of our products.
airPro Radon Experts is the go-to radon system contractor. We only use the highest grade products and materials to keep your home safe from radon gases. We are an owner-operated company founded by a hard-working and knowledgeable licensed radon technician. Having an owner-operated company allows clear communication from the initial consultation and throughout the system design and installation process. With no pushy or inexperienced salesmen to overlook key details of the job, you can rest assured your radon problem is in good hands. Our approach will not only give you a properly installed radon system per Ohio Department of Health and AARST standards, but also an unmatched experience you will tell your friends and neighbors about. that's our promise. At airPro we believe no corners should be cut when it comes to you and your family's health and safety, that is why we guarantee all our workmanship and have extensive warranties on all of our products.

MID-OHIO Radon
MID-OHIO Radon
At MID-OHIO Radon our focus is ensuring you and your family live in a safe, Radon free environment. Our company is dedicated to consulting with families and business owners, testing households and businesses, and bringing peace of mind to those that have found Radon is affecting their lives.
"David was on time for entire project. He gave us a time and he was there when stated. Work was completed and any concerns were addressed. Area was cleaned to our satisfaction after project was completed. All questions were answered. Very good to work with, thank you."
Jim W on April 2020
At MID-OHIO Radon our focus is ensuring you and your family live in a safe, Radon free environment. Our company is dedicated to consulting with families and business owners, testing households and businesses, and bringing peace of mind to those that have found Radon is affecting their lives.
"David was on time for entire project. He gave us a time and he was there when stated. Work was completed and any concerns were addressed. Area was cleaned to our satisfaction after project was completed. All questions were answered. Very good to work with, thank you."
Jim W on April 2020

Radon Fix
Radon Fix
We are a family/friend owned business specializing in Radon testing and mitigation. Eric is a Veteran having served in the U.S. Navy and Blake is currently a Marysville fireman so we're not afraid to go the extra mile to make sure you're completely happy from start to finish. We are quick and precise and treat your home as if it were ours. You can expect professionalism and a lot of courtesy from start to finish. Let us help you with your Radon Gas issues!
"Eric contacted me shortly after searching Angie's List. I described what I needed, a radon mitigation system, and he provided a written estimate via email. Much lower than what I expected. Eric was able to come out in a few days and install the system. Installation time was about 3 hours. No additional charges. He returned to the house three days later to retrieve the radon monitor and showed me the current reading of 1.0 pC/l, well below the 11.0 pC/l from a prior test. A formal report was emailed the same day; the avg reading was 0.8 pC/l. I highly recommend hiring Radon Fix."
Dave G on July 2019
We are a family/friend owned business specializing in Radon testing and mitigation. Eric is a Veteran having served in the U.S. Navy and Blake is currently a Marysville fireman so we're not afraid to go the extra mile to make sure you're completely happy from start to finish. We are quick and precise and treat your home as if it were ours. You can expect professionalism and a lot of courtesy from start to finish. Let us help you with your Radon Gas issues!
"Eric contacted me shortly after searching Angie's List. I described what I needed, a radon mitigation system, and he provided a written estimate via email. Much lower than what I expected. Eric was able to come out in a few days and install the system. Installation time was about 3 hours. No additional charges. He returned to the house three days later to retrieve the radon monitor and showed me the current reading of 1.0 pC/l, well below the 11.0 pC/l from a prior test. A formal report was emailed the same day; the avg reading was 0.8 pC/l. I highly recommend hiring Radon Fix."
Dave G on July 2019

Buckeye Inspection Services
Buckeye Inspection Services
Home Inspections Radon Testing Roof Inspections
"Great! Courage was very knowledgeable, he did a thorough job. He answered all questions I had. Very nice, easy to talk to. Explained everything in detail. Exceptional! Will definitely recommend to others, and use again if needed."
Trisha R on August 2020
Home Inspections Radon Testing Roof Inspections
"Great! Courage was very knowledgeable, he did a thorough job. He answered all questions I had. Very nice, easy to talk to. Explained everything in detail. Exceptional! Will definitely recommend to others, and use again if needed."
Trisha R on August 2020
OnSite Property Inspections
OnSite Property Inspections
Jim Maurer has been in the real estate industry for over 30 years. From property management, and rehabbing and maintaining homes, to selling existing and new construction homes, he has done it all. Jim holds home inspector certifications from the International Association of Certified Home Inspectors and the HomeSpection Training Institute. He is also licensed through the State of Ohio to perform termite inspections and radon testing. Jim communicates issues found in the home in an easy to understand way both in his reports and when discussing them with clients. His job is not over when he hands you your report. He is happy to answer questions about your home or report for as long as you own your home.
Jim Maurer has been in the real estate industry for over 30 years. From property management, and rehabbing and maintaining homes, to selling existing and new construction homes, he has done it all. Jim holds home inspector certifications from the International Association of Certified Home Inspectors and the HomeSpection Training Institute. He is also licensed through the State of Ohio to perform termite inspections and radon testing. Jim communicates issues found in the home in an easy to understand way both in his reports and when discussing them with clients. His job is not over when he hands you your report. He is happy to answer questions about your home or report for as long as you own your home.
Radon testing
Reveal Home Inspections, LLC
Reveal Home Inspections, LLC
Reveal Home Inspections, LLC is a two man home inspection company. We provide home inspection services that go above industry standards at a value that all customers can afford.
Reveal Home Inspections, LLC is a two man home inspection company. We provide home inspection services that go above industry standards at a value that all customers can afford.
Cap City Property Inspections
Cap City Property Inspections
Cap City Property Inspections provides full home inspections and radon inspections for home owners and home buyers. We also provide light commercial inspections.
"Good people Good service get the job done where else do you want."
MUSTAPHA A on February 2023
Cap City Property Inspections provides full home inspections and radon inspections for home owners and home buyers. We also provide light commercial inspections.
"Good people Good service get the job done where else do you want."
MUSTAPHA A on February 2023
The Marion, 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.
•Discover the average indoor air quality testing cost, what impacts pricing, and how to budget for healthier air in your home.
•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.

Want to learn how to master DIY radon mitigation? We have a step-by-step guide on how to complete this challenging project on your own.

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.

What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.

How long does a radon fan last? Depending on the quality of the fan, usage, and maintenance, a radon fan can last five to ten years.
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