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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: Why is my radon mitigation system so loud?

• <div><p>Your radon mitigation system may be loud because it&rsquo;s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.</p></div>

Q: How much does it cost to replace a radon fan?

• <div><p>The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.</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 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 Monticello, KY

*The Angi rating for Radon Detection And Reduction companies in Monticello, KY 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 Monticello, KY 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 August 23, 2026

Reviewed in August 2026
We had drain flies and we didn’t know anything about them. So we called Tyler and Alex and they came up with their camera systems and scoped the pipes. We had a broken pipe under our home that we weren’t aware of. We live on a concrete slab so they had to cut into that to replace it. They did a...
FIXRIGHT PLUMBING & DRAIN CLEANING
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Reviewed in March 2025
Cole was very professional and knowledgeable in the subject of the refrigerator that he came to repair. he also want above and beyond to show me some other parts online that could be ordered for it would highly recommend him for any job
FLYING M REPAIRS LLC
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Reviewed in September 2024
Quality and service yop notch. Sam always responded and kepy us up to date and informed. Highly recommend.
Sharp Pools and Spas
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Reviewed in September 2024
They did a great job. The crew were hard working and friendly. They cleaned up afterwards nicely. Our salesperson Chris Albertson was fantastic...supporting the process from beginning to end. I would highly recommend them for your roofing project.james
A Super Roofing Restoration, LLC
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Reviewed in January 2024
They installed a chiminey for my propane fire place and it had a leak they came out and repaired it no more leaks they totally stand behind their work which in todays world is unheard of the two guys were great . I will definitely use them again and again thank you
House Doctors
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Reviewed in September 2023
As far as I can tell the foundation work was done accurately and correctly. My review on the floor joist and sill replacement is pending
Bluegrass Foundation Repair, LLC
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Reviewed in May 2023
Worked fast but competent expert .. he did all that I asked and even installed a camera doorbell as well. I feel so much safer from having the camera installed!! I can tell who's at the door and feel safe telling them I'm not available. Hiring this gentleman is well worth the...
All Pro Lock And Key
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Reviewed in May 2023
They did an amazing job on my foundation, an amazing job on building me a concrete back porch, and next, they will be pouring where my garage is to be set. They are honest, hardworking, and do excellent work second to none.
EMJ Concrete, LLC
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Reviewed in October 2022
I'm satisfied with FR job performance because is responsible and prompt.
FR Construction LLC
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Reviewed in February 2022
They were quick to do the work and cleaned up well after the destruction phase. They were sensitive to my wife's sensitivity to perfumes and used unscented fogger. They left two large hepafilter machines going for over days. They will return tomorrow to remove them and finish anything else up.
Restoration Plus
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Find Radon detection and reduction specialists in Monticello

Breathe Safe Radon & Moisture Control

4.4(

)

Radon Gas - Abatement

Serving Monticello, KY and surrounding areas

In business since 2020

Free estimates

Warranties offered

"Lance and Joy were great to work with! They were efficient and knowledgeable! Great price. Would highly recommend to anyone looking for radon mitigation system."

Response time8 hrs

Response rate94%

Recommended by95%of homeowners

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SWAT Environmental, Inc.

4.1(

)

Radon Gas - Abatement

Serving Monticello, KY and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"I would definitely recommend this company to someone that needed radon mitigation. Setting up my appointment was very easy and they took the time to explain everything that would happen. Lance was really nice and easy to work with. The whole appointment took longer than I had hoped so try to be free for the whole day instead of a half day. I am very happy with this company."

Recommended by87%of homeowners

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BreathSafe Radon and Moisture Control

4.2(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Monticello, KY and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"It went great! I have a home where the system was not easy to install, but they stayed until it was finished. A test kit was left to see if it was working properly, but they added that they would return if our radon wasn't lowered. IT WAS!! Money very well spent"

Recommended by85%of homeowners

Serving Monticello, KY and surrounding areas

In business since 2016

Free estimates

Sager Environmental, has a single mission, which is to achieve complete customer satisfaction. We strongly believe in giving our customers the most for their money. We work with only the highest quality materials and experienced professionals. With over 20 years of experience, we have consistently focused on the needs of our customers, providing personalized attention and a stress free experience. This approach has set us apart from our competition and keep our customers coming back. Give us a call today!

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Radon Detection and Reduction questions, answered by experts

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.

Your radon mitigation system may be loud because it’s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

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.

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 Monticello, KY 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
•
Aug 3, 2026Aug 3, 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.