Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Dewees Island, SC

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: How do you prevent radon in your home?

• <div><p>Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. </p><p>Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.</p></div>

Q: Can I use my sump pit for radon mitigation?

• <div><p>If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.</p></div>

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: 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>

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Verified Reviews for Radon Detection And Reduction pros in Dewees Island, SC

*The Angi rating for Radon Detection And Reduction companies in Dewees Island, 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 Dewees Island, 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 June 05, 2026

Reviewed in June 2026
Justin was polite and efficient. He explained everything to me and worked quickly and neatly
Coastal Connect Solutions
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Reviewed in May 2026
Was out of town for 2 months came home to animal/s in my attic. First company charges $130 for initial inspection and sent a $3000 quote to exterminate squirrel/s. Metro wildlife came did a free inspection and Caleb said it’s a raccoon before even going in the attic. He did his inspection in...
Metro Wildlife And Pest Control
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Reviewed in January 2026
Teon is very reliable and leaves the yard looking perfect. In addition to the usual mowing, he trims the scrubs, cleans out the beds and keeps up with the leaves. His next project is delivering and installing pine straw.
One Yard Away Lawncare LLC
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Reviewed in October 2025
We had a tall, rather large pine tree in a very difficult location of the back yard. Lee adeptly removed this tree in a safe and proficient manner. He is knowledgeable and skilled in tree removal with many years of experience. I highly recommend.
Trinity Tree Testimonial
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Reviewed in April 2025
I have used Swoopin' Junk & Waste Removal 3 times in the last 6 months with a large home clean out project and removal of roofing debris left over from another project. Lawson and his crew are wonderful - great communication, on time arrivals, sweeping and clean up after all is loaded, very...
SWOOPIN' JUNK & WASTE REMOVAL LLC
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Reviewed in May 2024
Rajae H. and his crew were awesome to work with and got the job done correctly and quick.
All My Sons Moving & Storage
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Reviewed in November 2022
Tony halverson came and helped me with some debris i needed removing, was prompt and very reasonable, will use again for sure.
Trash Masters
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Reviewed in August 2021
Can't say enough about New Leaf Tree Service. Extremely efficient and professional. They removed some very tall pine trees and a fourth tree next to the house. No damages and left my yard and the street extremely clean.
New Leaf Tree Service, LLC
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Reviewed in July 2021
Quick, efficient removal of a single tree and a super clean-up upon completion. That&amp;#39;s how its done!
Velazquez Landscaping, LLC
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Reviewed in June 2021
They were fantastic removing all of our poison ivy and coming back to clear vines. They were prompt, efficient, and careful. Everything was clearly communicated and their work was excellent. I will use them again for sure! Highly recommend.
Landscape, Demo, Grading & Hauling
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Find Radon detection and reduction specialists in Dewees Island

Coastal Inspection

5.0(

)

Serving Dewees Island, 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(

)

Serving Dewees Island, 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(

)

Serving Dewees Island, 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

Serving Dewees Island, 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

Serving Dewees Island, 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 Dewees Island, 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

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.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter.

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

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.

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.

The Dewees Island, 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
•
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
•
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.