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*The Angi rating for Radon Detection And Reduction companies in Plymouth, 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 Plymouth, 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 May 04, 2026

Find Radon detection and reduction specialists in Plymouth

Avatar for The Inspection Guys
The Inspection Guys
5.0(
17
)
Radon Gas - Testing

Serving Plymouth, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"The Inspection Guys are top notch in terms of thoroughness, punctuality, honesty and professionalism. Very helpful throughout my inspections."
Mobile Home
Waterfront
Edenton
Crawlspace Robot
Thermal Imaging

+139

Response time4 hrs
Response rate97%
16 neighbors recently requested a quote
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Avatar for East Carolina Restoration Services, LLC
East Carolina Restoration Services, LLC
4.9(
10
)
Radon Gas - Testing

Serving Plymouth, NC and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"When you experience this type of loss, all you need is the company you hire to be competent and complete. That is what we got with East Carolina Restoration Services. They did the work, respected our home and worked with the insurance company to make sure everything was covered so that we could get back to normal."
Additional Photos
Additional Photos
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Additional Photos

+11

Response time1 day
Response rate100%
4 neighbors recently requested a quote
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.3(
63
)
Radon Gas - Abatement

Serving Plymouth, NC and surrounding areas

In business since 2002

Free estimates

Credit card accepted

"I can not recommend this company highly enough. If you have ANY concerns or questions regarding radon give them a call. They will give you an honest assessment and recommendations tailored to your specific situation. Overall a great experience!"
Recommended by89%of homeowners
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Avatar for Gibson cleaning services
Gibson cleaning services
5.0(
3
)
Radon Gas - AbatementRadon Gas - Testing

Serving Plymouth, NC and surrounding areas

In business since 1980

Emergency services offered

"Jim did a fantastic job on our radon mitigation system. He is extremely professional. We could not have been more pleased! I would recommend him without hesitation to anyone needing radon work.
"
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

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

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.

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.

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.

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.

The Plymouth, 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.

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