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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: 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: Is radon a serious problem?

• <div><p>Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).</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: 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 Guston, KY

*The Angi rating for Radon Detection And Reduction companies in Guston, 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 Guston, 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 March 03, 2026

Reviewed in March 2026
He was efficient, professional, and did a great job on the tree and bush removal!
Affordable Tree Services LLC
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Reviewed in August 2025
I recently had the pleasure of working with Whispering Hills Landscaping for a large tree removal in my backyard, and I couldn't be more satisfied with their service. The crew was incredibly professional and kind, and they tackled the job with precision and expertise. Not only was the work done...
WHISPERING HILLS LANDSCAPING
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Reviewed in November 2024
Honest techs diagnosing the systems and experienced and clean work done by installer
3D Heating and Cooling LLC
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Reviewed in January 2024
Showed up to work on time and when they said they would. At the end of the day walked me through completions. Basically and punch list. It was checked off when we were both satisfied. Very easy to work with and was very helpful in the whole process.
Top Shelf Contracting LLC
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Reviewed in September 2023
Expert technician, Kevin, arrived on time and worked diligently to investigate our problem antennas and then to replace what was needed and to repair equipment or reuse equipment when possible. We are located in a remote rural area and were very happy to find Terry's company could make the trip.
Terry's Satellite City
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Reviewed in August 2023
Brandon and Roderick were professional and worked efficiently
All My Sons Moving & Storage
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Reviewed in July 2022
Isaak, done an amazing job troubleshooting and repairing an electrical issue causing my bedroom specifically to not have electric. He was thorough and explained everything he was doing! His pricing was fair and discussed up front so there was no surprises. My children were running in and out the...
Sky Electrical, LLC
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Reviewed in May 2022
I am completely satisfied with the results. Mike is very detail oriented. His planning and execution of the landscaping project were commendable and completed in a timely and professional manner. I will call him again for a future project.
Lyons Lawncare, Landscaping, & Home Repair
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Reviewed in November 2021
I contacted 254 Roofing and the same day Oscar came out and repaired wind damage to my roof. Oscar did a great job, taking pictures of the damage and also providing photos of his work. Awesome job!
254 Roofing
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Reviewed in October 2021
Called them on a Thursday at 3:30 pm about having some broken and rotten limbs removed, they came the same day at 5:30 pm right after they wrapped up the job they were on and took care of it. Very nice, goes above and beyond, cleans up well , reasonable prices, and the best part is Veteran...
Top Choice Tree Care Service
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Find Radon detection and reduction specialists in Guston

Louisville Home Inspections, LLC

4.7(

)

Serving Guston, KY and surrounding areas

In business since 2017

Free estimates

Warranties offered

"Gary was very flexible in scheduling and thorough in the process. Would recommend."

Response time3 hrs

Response rate97%

Recommended by94%of homeowners

Serving Guston, KY and surrounding areas

In business since 2019

Free estimates

Credit card accepted

"Iâ m so happy I chose GH inspections!! Daniel was very detailed and informative. He inspected a newly constructed home and to my surprise found numerous problems/issues. Iâ m so happy that I had the inspection!! Money well spent. Daniel came out on a Saturday and spent 4 hours with us. GH Inspection was 175.00 cheaper than most all other companies!!"

Response time30 mins

Response rate91%

Recommended by100%of homeowners

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AmeriSpec of Louisville

4.8(

)

Serving Guston, KY and surrounding areas

Emergency services offered

Credit card accepted

"It went real well, they were very professional and did a real thorough job. They wrote down the stuff I needed to know so that I could sell me house."

Recommended by100%of homeowners

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BreathSafe Radon and Moisture Control

4.2(

)

Serving Guston, KY and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"It went well. Radon was reduced greatly. Job well done."

Recommended by85%of homeowners

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Sager Environmental

New to Angi

Serving Guston, 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

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

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.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

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 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 Guston, 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

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•
Mar 18, 2026Mar 18, 2026
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