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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: 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 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 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: 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>

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Verified Reviews for Radon Detection And Reduction pros in Mound City, MO

*The Angi rating for Radon Detection And Reduction companies in Mound City, MO 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 Mound City, MO 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 05, 2025

Reviewed in June 2025
We found Farm and Home at the KC Home show. We needed siding and windows. John came out and gave us a quote for both. We had interviewed 3 other companies and found they didn't know as much or were mush higher priced. John had extensive knowledge and answered all our questions. They installed...
Farm and Home Builders Inc
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Reviewed in November 2024
25k for a walk in tub...spent 6 k on exact same tub at hardware store, did framing and hung concrete board ourselves, found awesome tile company from KC.
West Shore Home Kansas City
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Reviewed in November 2024
Wanted tiny porch turned into sunroomwas first told it would probably run about 60k...but then he measured, left and called us stating 100k for the small space that is really to thin to use for anything but a chair or plants, I felt the price was ridiculous...thet have since called again to...
Granite Transformations
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Reviewed in November 2023
We had them replace our bathtub and shower walls. They do excellent work, were on time and worked all day long until job was finished. Cleaned up all the floors and went over everything before leaving to make sure we were satisfied. We had Kyle and Taylor do our work, very professional men.
West Shore Home Atlanta
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Reviewed in November 2023
It was such a pleasure to work with Jamesport Stove and Chimney. Raymond was incredibly helpful in reviewing photos of the space in our home where we wanted to put a wood stove to make sure we did things properly. He was also willing to travel quite a ways to our home for the installation, which...
Jamesport Stove and Chimney
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Reviewed in May 2022
He cares what the end result looks like. He is very friendly, honest and hard working. He always wants to do a good job.
WBN Lawn Care, LLC
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Reviewed in April 2022
fast and professional but a little pricey
LeafFilter Gutter Protection
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Reviewed in April 2022
They were on time and clean. Came out even in bad weather. Good honest people.
North Star Guttering
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Reviewed in November 2020
He can do just about anything and he will do it very well!
Just Enough to be Dangerous Construction and Repair
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Find Radon detection and reduction specialists in Mound City

National Radon Defense Midwest

4.7(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Mound City, MO and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"RADON SYSTEM WAS NOT WORKING. (Installed by another company years ago). The phone contact was pleasant and efficient. The Technician came on the agreed day and the agreed time: he explained what was wrong, explained the options, then repaired the system so it is working better than it did when first installed."

Crawlspace Encapsulation with Radon Mitigation

+15

Response time1 day

44 neighbors recently requested a quote

Recommended by96%of homeowners

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SWAT Environmental, Inc.

4.5(

)

Radon Gas - Abatement

Serving Mound City, MO and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"I would definitely recommend this company to anyone!!! I hired them and the job was done nicely, Dan O'Brien was the technician who took care of the project and he did an excellent job, he answered all of my questions and explained to me everything related to Radon gas. When he finished setting everything up and the job was completed all the working area looked super clean and the installation looks just like it is part of the house and that has been there forever. This is what I call a Perfect and Complete execution of a Radon gas mitigation project."

Recommended by97%of homeowners

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The Environmental Guys LLC

New to Angi

Radon Gas - Testing

Serving Mound City, MO and surrounding areas

In business since 2025

Free estimates

Emergency services offered

We test for several different hazardous materials and gas. We also off mold & mildew surface removal and cleaning with environmental friendly cleaners. We do offer free quotes and consulting on remedies for issues to your home or business.

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Radon Detection and Reduction questions, answered by experts

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.

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.

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.

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.

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 Mound City, MO 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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