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Q: What is the biggest source of radon?

• <div><p>The soil beneath your house is most likely what&rsquo;s causing an increased level of radon. This is because soil holds radioactivity for a long time and it&rsquo;s also what most buildings are built on. Another common source of radon is water from a source that hasn&rsquo;t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.</p></div>

Q: How much electricity does a radon mitigation system use?

• <div><p>The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from <b>$30 to $300 per year</b>, again depending on the size of the fan.</p></div>

Q: How often should radon levels be tested to ensure safety?

• <div><p>Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.</p></div>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</p></div>

Q: How long does a radon mitigation system last?

• <div><p>The lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Arapahoe, NC

*The Angi rating for Radon Detection And Reduction companies in Arapahoe, NC 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 Arapahoe, NC 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 October 05, 2025

Reviewed in October 2025
Austin White did an excellent job with the inspection! He was honest and pointed out everything that was done incorrectly from the previous job and was patient and kind! I would recommend this company to anyone who is looking for a honest quote.
PRQ Exteriors
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Reviewed in April 2025
Revive home improvements did exceptional work. They repaired my sink quickly and was very professional. They were also clean and made sure to clean up. Clean work, done right
Revive Home Improvements LLC
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Reviewed in February 2025
Shawn was very knowledgeable and thorough inspector. He responded quickly and got the inspection due promptly. He explained his process and was detailed in his explanation of what he found and wouldn't be able to find. I Would definitely recommend him.
Cardinal Inspections LLC
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Reviewed in November 2024
Sam was very responsive and did a great job for our house that had a tree fall on during a storm. He removed the tree, replaced shingles that were damaged along with siding, fascia and soffit. I would highly recommend.
Weiss Home Solutions
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Reviewed in September 2024
Hands down the best group of professional guys! Highly recommend this company for your tree work. Very prompt, knowledgeable, affordable, friendly, and take pride in their work. They took extra caution to not mess up the yard and other trees not cut. I will definitely be using their tree...
Rigging Tree Service
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Reviewed in June 2024
Hunter Medford and James Both techs were professional and did the work without complaint. They came on time and worked all day without a break. Have no complaints,
West Shore Home Greenville NC
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Reviewed in June 2024
Very professional and skilled. I will use these guys again in any future projects. Canâ t go wrong. They really saved my project and got it down on schedule and to spec. No issue passing the county inspection.
Hondumex Concrete & More LLC
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Reviewed in March 2024
Professional, followed up well. Our first Angi experience and we are very pleased. Would highly recommend and/or use again in the future.
INAV 99
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Reviewed in July 2023
Cornell is very professional and straightforward. He clearly explains the process and asks questions about what needs to be cleaned and preferences. Super happy!
NLS Cleaning Services LLC
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Reviewed in June 2023
Casey is professional and courteous. He diagnosed the problem and offered solutions. Casey was prompt and gave a detailed program to solve my mole problem. I would strongly recommend his Pest Control service.
River Pest LLC
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Find Radon detection and reduction specialists in Arapahoe

Serving Arapahoe, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"came on time and did a very complete inspection. Report was clear and easy to follow. I would recommend them highly"

+139

Response time4 hrs

Response rate97%

26 neighbors recently requested a quote

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Elite Home Inspections, LLC

5.0(

)

Radon Gas - Testing

Serving Arapahoe, NC and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"They were fantastic and were willing to bring us along during the inspections to show findings on the property. Very professional during the entire process and made everything so easy"

3 neighbors recently requested a quote

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M&D Property Solutions

4.5(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Arapahoe, NC and surrounding areas

Approved

In business since 2017

Emergency services offered

Warranties offered

"Needed fencing installed to keep groundhogs from taking up residence under our deck. Brady came up with a creative and complete solution that made sure the varmints were out and would not return. Would use again."

+10

Response time1 day

1 neighbors recently requested a quote

Recommended by100%of homeowners

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SWAT Environmental, Inc.

4.3(

)

Radon Gas - Abatement

Serving Arapahoe, NC and surrounding areas

In business since 2002

Free estimates

Credit card accepted

"Easy to plan and execute. I will check radon levels in 1 week and after confirming radon reduction would rate them 5 stars."

Recommended by89%of homeowners

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Radon Detection and Reduction questions, answered by experts

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

Installation typically takes 1-2 days, depending on the system and property layout.

The lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

The Arapahoe, NC 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

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•
Aug 3, 2026Aug 3, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
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How Much Does Radon Testing Cost? [2026 Data]
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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.
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•
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.
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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.