Top-rated radon detection and reduction specialists.

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

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>

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>

Q: How long does the radon abatement process usually take?

• <div><p>Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.</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: Why is radon detection important for residential properties?

• <div><p>Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.</p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in Castalia, OH?

Select your specific project to find the pro for you.

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
Request a quote
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
Request a quote
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
Request a quote
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
Request a quote
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
Request a quote
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.
Request a quote
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 -
Request a quote
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
Request a quote
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
Request a quote
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
Request a quote

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

Request Quote

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

Request Quote

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

Request Quote

Radon Detection and Reduction questions, answered by experts

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.

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.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

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.

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

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

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.
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.
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
•
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.
Audrey Bruno
•
May 3, 2026May 3, 2026
How to Test for Radon in Your Home
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.