Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Castalia, OH

Q: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</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>

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 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: How often should you replace a radon fan?

• <div><p>Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.</p></div>

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

*The Angi rating for Radon Detection And Reduction companies in Castalia, 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 Castalia, 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 December 16, 2025

Reviewed in December 2025
I hired them to remove a textured ceiling and skim coat the ceiling as well as tape and drywall a dining room. They were timely in coming for an estimate as well as getting the work done beautifully and on time
Meyer Drywall
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Reviewed in October 2025
John and his helper showed up as scheduled, and did a great job trimming our very large evergreen bushes, cleaned up every last bit. I would hire them again in a heartbeat. This guy is the best!
John Bentley Tree Service LLC
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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 November 2024
We had Grants Tree Service cut down a 30-35ft tree in our front yard and they were friendly, prompt and price was very fair! They cleaned up after and made the area appear like no one was ever there! Would recommend this company to anyone looking to have a tree cut down!!
Grants Tree Service
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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
Joe from Erie Inspection Service was on time, thorough, and very helpful. He was patient and answered all of our questions.
ERIE INSPECTION SERVICE, INC.
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Reviewed in July 2021
When I called for MIke to give me an estimate on having some bushes removed, he came out the same day and I hired him for the job. Mike came the next day and did an excellent job taking out the bushes, removing the stumps and the clean up afterwards. I am highly recommending Mike.
Tigs Turf and Landscape -
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Reviewed in July 2021
Workman got here on time, did the work, and had the attic antenna installed in approximately 45 minutes. I paid the bill and he was on his way.
AR's and Yours Antenna and Satellite
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Reviewed in June 2021
Ryan did a great job power washing my house. He actually took the time to do it right and ask me when he came to different areas to make sure I got what I wanted done correctly. Highly recommend and he will be back when I need done again!
Kropf's Powerwashing
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Reviewed in August 2017
Northcoast Radon showed up on time and did the work needed little disruption. When the process was done Barrett showed us what was done and reviewed the performance gage and how it works. The whole crew was polite and comfortable to be around. I would definitely recommend this company to all...
Northcoast Radon Services LLC
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Find Radon detection and reduction specialists in Castalia

Veterans Environmental LLC

5.0(

)

Serving Castalia, OH and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"This is the review. Let me know this is good before I send Prompt and on time service for the asbestos removal along with safe and proper poly containment. Also 3rd party testing confirmed safe air test. The workers were in suits, masks and had ASD machines running very professional and highly recommended for any asbestos work! We are very pleased the cleanup was nice, with no debris . I would definitely hire again if needed"

+24

Response time4 days

Recommended by66%of homeowners

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Black River Radon, LLC

5.0(

)

Serving Castalia, OH and surrounding areas

In business since 2019

Emergency services offered

Warranties offered

"Matt did a great job of installing my radon mitigation system. The unit is set up perfectly and looks very professional and the jobsite was cleaned up to how it was before he started the job. I would highly recommend Matt and Black River Radon for all of your radon mitigation needs."

+11

Response time5 hrs

Recommended by95%of homeowners

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Security First Home Inspections & Remediation

4.8(

)

Serving Castalia, OH and surrounding areas

Free estimates

Credit card accepted

"Extremely knowledgeable, thorough and great to work with. Mr. Roop made me feel like he had my best interests at heart. I highly recommend "Security First Home Inspections & Remediation!"

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

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

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.

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.

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

The Castalia, 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.
Alison Kasch
•
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
•
Apr 5, 2026Apr 5, 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
•
May 2, 2026May 2, 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
•
Apr 10, 2026Apr 10, 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.