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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>

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>

Q: Why is radon detection important for residential properties?

• <div><p>Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.</p></div>

Q: How much does a radon mitigation system cost?

• <div><p>The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.</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>

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Verified Reviews for Radon Detection And Reduction pros in Shawsville, VA

*The Angi rating for Radon Detection And Reduction companies in Shawsville, VA 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 Shawsville, VA 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 08, 2026

Reviewed in June 2026
My husband and I recently hired Kamron Normansell (Kam’s Cutting and Climbing) to trim five trees on our property. We preferred to hire someone who doesn’t use heavy equipment to minimize any damage to our yard. We could not be happier with the results! Two of the trees were growing way too...
Kam's Cutting and Climbing
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Reviewed in January 2024
They were excellent. Communication was clear and timely. 15 minutes after I posted the work, they called and scheduled a visit for the next day. They sent a contract within 2 days and started the work 2 weeks later. They arrived with a crew of 4 and took 4 days to complete removal of more than...
NRV Tree Guy
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Reviewed in November 2023
My regular tree guy recommended Extreme Tree for removing an 80' locust in a tricky spot. Joshua responded promptly, gave great service, and completed the job quickly and for a fair price. I would definitely use them again.
Extreme Tree Company
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Reviewed in September 2022
Alex the technician arrived promptly with all of the tools that he required to service my unit. He then found a problem with my outdoor unit and showed me the damaged part, a capacitor, offered me different options and was able to install the part right there on the spot and have my AC up and...
A&J HVAC
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Reviewed in June 2022
From start to finish NRV Roofing performed in a professional and customer oriented fashion. Both their proposal and contract were clear, concise and accurate minimizing "lawyer-ese." As proposed, their performance was timely, within estimated cost, and true to delivery of material...
New River Valley Roofing & Sheet Metal
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Reviewed in March 2022
It was very good. They were performed the work in a safe manner and didn't damage the property.
Newmans tree works
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Reviewed in March 2022
Jeff and his folks were a pleasure to work with. His communication regarding any delays or other issues is excellent. He is also great at answering followup questions that I have about how the system is running. It took our radon readings down to nearly zero from an alarmingly high value. We...
Radon Specialists, LLC
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Reviewed in June 2021
Tyler showed up when promised and did a great job installing AND educating me on Radon. It&amp;#39;s been less than 24 hours and the levels are already decreasing!
Lucas Contracting, LLC
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Reviewed in October 2020
The owner came next day and completed power washing my eaves, trim, she'd, sidewalk and porch. They took their time and did an excellent job! They were considerate and thorough. They did all the work for under $200! I'm impressed and very pleased! I recommend them and will hire them again!
Innovative Cleaning Solutions
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Find Radon detection and reduction specialists in Shawsville

Radon Specialists, LLC

4.8(

)

Serving Shawsville, VA and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: True professional

"You can have complet confidence that Radon Specialists will produce the desired result. Our radon long term average went from 7 pc/L to 0.4 pc/ L. We are very relieved. The workmanship of the mitigation system is professional grade and the process was completely unobtrusive."

Response time10 hrs

Response rate91%

Recommended by94%of homeowners

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Lucas Contracting, LLC

5.0(

)

Serving Shawsville, VA and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"He responded to our initial inquiry promptly. Showed up on time to do the job. Very neat worker and left everything perfect. The next radon test came back extremely low so it works perfectly. I highly recommend him."

+16

Response time7 hrs

Response rate86%

1 neighbors recently requested a quote

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SWAT Environmental, Inc.

4.4(

)

Serving Shawsville, VA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Ben was on-time, efficient, professional, courteous, and informative. I recommend that you specify him for your radon mitigation job."

Recommended by91%of homeowners

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Energy Check by Shelter Alternatives, Inc.

2.5(

)

Serving Shawsville, VA and surrounding areas

In business since 2006

Free estimates

"The energy audit surfaced some significant issues. That's what we wanted. Shelter Alternatives presented a bid for the job, which seemed high. We are checking with other contractors to complete the work."

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 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.

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.

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

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.

The Shawsville, VA 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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•
Mar 18, 2026Mar 18, 2026
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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.