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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: What steps should be taken if high radon levels are detected?

• <div><p>If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.</p></div>

Q: How do you remove radon from your home?

• <div><p>You can vent radon out of your house sometimes by simply opening a window, but it won&rsquo;t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.</p></div>

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: 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 Ridgeville, SC

*The Angi rating for Radon Detection And Reduction companies in Ridgeville, SC 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 Ridgeville, SC 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 18, 2025

Reviewed in December 2025
They did an excellent job of cleaning up my overgrown shrubs and huge amounts of pine straw and leaves and a small fallen tree. I just got home. It's dark but I inspected with a flashlight. I may post pics to my review later if allowed
Klean Kuts Lawn Care
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Reviewed in June 2025
Very pleased with my tree and stump removal.
A Notch Above, LLC
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Reviewed in July 2023
The Technicians showed up on time and assess my problem. They measured and trimmed my Granite countertops so that my stove would slip right in. They tried to minimize the dust. They cleaned up and wiped down the effected areas! In my Forty years of Facility Management, this was the best team...
Quality Granite Installation and Repair LLC
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Reviewed in June 2023
We had several mature tree removals and trimmings in our front and back yard. Mike Tree Service wee able to safely remove and trim all the trees. Kevin and his crew members worked as a team when it came to final tree cutting, clean up and stump grinding. Our property was meticulously cleaned....
Mike's Tree Service and Stump Removal, LLC
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Reviewed in June 2023
My husband and I are exceedingly happy with the work and professionalism of the company Mike’s Tree Service and Stump Removal. Mike Black the owner came out and reviewed our job and it was completed exactly as discussed. The supervisor Kevin and his workers were efficient and very organized in...
Mike's Tree Service & Stump Removal LLC
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Reviewed in May 2023
It went great!! Not only do we have AC but From the very beginning they have been very professional and thorough with handling our job. Showed up when they said they would and kept me in the loop on timeframe with ordered parts and completion of job. Techs came to do install and showed up on...
Coastal Carolina Comfort LLC
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Reviewed in April 2023
They came and assessed the limbs I needed to have removed and they listened really well. It was a free estimate and we agreed apon an affordable price. They worked delgently and finish within a decent time with exceptional clean up. Would use them in the future and put them at the top of my...
The Tree Meister
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Reviewed in September 2022
This company responded quickly and did a great job trimming overgrown branches on 6 of our trees. They cleaned up all the tree limbs and left our yard looking great. Very friendly, respectful and professional. Iâ ll use them again in the future!
Carolina Tree Trimmers, LLC
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Reviewed in September 2022
Trace was prompt and removed four trees for me. I was very satisfied with his work and I would recommend him!!
Infinger's Tree Service
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Reviewed in August 2022
MVFS did an excellent job repairing my foundation and encapsulating the crawl space. Nathan and Roman are FANTASTIC at their job. Ask for them if you choose to use Mount Valley. You will be delighted by their professionalism and their quality of work. I was also pleased with the detailed...
Groundworks
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Find Radon detection and reduction specialists in Ridgeville

Serving Ridgeville, SC and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Phillip was very thorough and detailed. Very impressed with his attention to detail. Definitely recommend him to anyone who is looking for an honest and qualified home inspector!"

Response time40 mins

Recommended by100%of homeowners

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SWAT Environmental, Inc.

4.8(

)

Radon Gas - Abatement

Serving Ridgeville, SC and surrounding areas

In business since 2002

Free estimates

Credit card accepted

"On time and got right to work."

Recommended by100%of homeowners

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Summit Engineering, Laboratory & Testing, P.C

4.0(

)

Radon Gas - Testing

Serving Ridgeville, SC and surrounding areas

In business since 2003

Emergency services offered

Credit card accepted

"Very fast response. Professional and service oriented."

Response time1 day

Response rate90%

Recommended by100%of homeowners

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Environmental Service Group

New to Angi

Radon Gas - Testing

Serving Ridgeville, SC and surrounding areas

In business since 2010

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! We are family owned and operated, so please let us know how our family can take care of yours!\n\n

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Sabal Home Inspections

New to Angi

Radon Gas - Testing

Serving Ridgeville, SC and surrounding areas

In business since 2024

Free estimates

Warranties offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n\n\n

Response time2 days

Serving Ridgeville, SC and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

"The guy was really nice and easy. They were quick and their website was really good."

After restoration of this charming bungalow!

+13

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

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.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

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

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 Ridgeville, SC 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
•
Aug 3, 2026Aug 3, 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
•
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.