Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near Holly Hill, SC

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: 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 are the risks of radon?

• <div><p>Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don&rsquo;t hesitate to perform radon testing and install a mitigation system as soon as possible.</p></div>

Q: What would cause radon in a house?

• <div><p>The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.</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>

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Verified Reviews for Radon Detection And Reduction pros in Holly Hill, SC

*The Angi rating for Radon Detection And Reduction companies in Holly Hill, 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 Holly Hill, 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 March 13, 2026

Reviewed in March 2026
Lance and his crew did a phenomenal job with removing trees from my yard! They showed up on time, were efficient and safe with their work, and expressed wonderful customer service. Highly recommend them!
DarkHorse Tree Service
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Reviewed in April 2025
A&C solutions showed up on time and did a great job cleaning our duct work. Also disinfected the air intakes and we have definitely noticed the difference. Thank you for the great service
A&N Solutions, LLC
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Reviewed in April 2025
Absolutely blown away by the work from Isaac’s Ironworks.The experience was seamless and professional. The quality is strong and stylish and I couldn’t be happier with the finished result. Isaac’s Ironworks deserves every one of these five stars.
Isaac's Ironworks Inc.
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Reviewed in September 2024
He explained the whole process and how his method was much easier on the exterior of the home. I hired him also to clean my roof and gutters out. He did a phenomenal job! I was very pleased with the overall quality of the work for the price! Would highly recommend to anyone looking for...
Southeast Pro Clean
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Reviewed in April 2024
Very personable, came twice and BOTH times was early. Knows his stuff back and forwards. Told me where to get azaleas, how to judge quality, he planted and showed me how and when to water for best results. Even gave me pointers on other mistakes that I was making with trees here. Highly...
Mark Wenninger
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Reviewed in February 2024
The owner, Kurt is very professional. He has done other jobs for us as well, including design and landscape work in our RV Park. We are in the process of beautifying our park and so far the work he and his team have done, looks great! The attention to detail is second to none, and the fact...
Tridion Environmental
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Reviewed in October 2023
Words cannot fully express how grateful I am to have found Biotek Environmental! Ted took a lot of time compassionately listening to my concerns and explaining the initial process over the phone. Tyler patiently shared his extensive knowledge on how mold develops along with natural ways to clean...
Biotek Environmental, Inc.
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Reviewed in April 2023
Robert and his crew are very hard working young men and did excellent job. He explained everything thing that he was going to do and did it with efficient and speed. His price was very reasonable for what he done. He cut down five trees, pruned trees and grind up all the remaining stumps that...
Robert's Tree Service, LLC
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Reviewed in March 2023
Duct and central air system cleaning Services I live in Pennsylvania and we did everything over our cell phones including pictures. Chris kept me in the loop the whole time with messages and texts the pictures, before and after. I was completely satisfied with this company and price was...
American Air and Mold Solutions, LLC
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Reviewed in February 2023
Josh W. and Cole H. are punctual, professional, respectful and polite. Have never had anyone do work for me with as much confidence and commitment to detail and my satisfaction.
West Shore Home Charleston
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Top-Rated Radon detection and reduction specialists in Holly Hill - Updated Nov 2026

Serving Holly Hill, SC and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Very knowledgeable and very helpful inspector!"

Response time40 mins

Recommended by100%of homeowners

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SWAT Environmental, Inc.

4.8(

)

Radon Gas - Abatement

Serving Holly Hill, SC and surrounding areas

In business since 2002

Free estimates

Credit card accepted

"Had them come out to install a Radon Mitigation Fan. Service was fast and the installer was extremely knowledgable. He was in an out within an hour and the radon dropped from a 4 to a 0.59! Extremely happy with the result. Price wasn't cheap by any means but definitely fixed our problem."

Recommended by100%of homeowners

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Summit Engineering, Laboratory & Testing, P.C

4.0(

)

Radon Gas - Testing

Serving Holly Hill, SC and surrounding areas

In business since 2003

Emergency services offered

Credit card accepted

"I needed duct replacement not air quality."

Response time1 day

Response rate90%

Recommended by100%of homeowners

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Environmental Service Group

New to Angi

Radon Gas - Testing

Serving Holly Hill, 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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Coastal Empire Roofing & Construction Co

3.1(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Holly Hill, SC and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"They did a wonderful job on my sunroom. A previous contractor did a VERY poor job - the sunroom was a disaster. But Coastal Empire made it BEAUTIFUL!! I was very happy with the results. The workers were very nice, and always cleaned up after their work."

Recommended by80%of homeowners

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Radon Detection and Reduction FAQs, answered by experts

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.

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.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

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.

The Holly Hill, 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

Alison Kasch
•
Oct 30, 2026Oct 30, 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
•
Sep 28, 2026Sep 28, 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
•
Sep 23, 2026Sep 23, 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 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
•
Jul 8, 2026Jul 8, 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.