How do you prevent radon in your home?

• <div><p>Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. </p><p>Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.</p></div>

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Q: How do you remove radon from your home?

• <div><p>You can vent radon out of your house sometimes by simply opening a window, but it won&rsquo;t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.</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: What steps should be taken if high radon levels are detected?

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

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Verified Reviews for Radon Detection And Reduction pros in Saint James, MO

*The Angi rating for Radon Detection And Reduction companies in Saint James, 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 Saint James, 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 February 09, 2026

Reviewed in February 2026
I recently had Watertight replace my roof, and I couldn't be happier with the results! The new shingles look fantastic and have given my home a fresh, updated look. The attention to detail in the installation is evident – everything is perfectly aligned, and the overall workmanship is top-notch....
Water Tight Solutions LLC
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Reviewed in September 2025
We hired Collective Enterprise to stain our decks and they did a fantastic job! We are so happy with the work that they did! They did a fantastic job and worked quickly and efficiently, and they were so pleasant to work with! We are planning on having them come back and do more work around the...
Collective Enterprise
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Reviewed in June 2025
TLC Roofs & More made the whole process simple and stress-free. Great communication, fair pricing, and excellent results.
TLC Roofs and More
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Reviewed in October 2024
Very positive experience. Showed me what they carried and what was best for me and my home. He did not try to sell me what I didnâ t want or need. Very respectful and friendly. Installed it within a couple of hours. I have a very positive feeling for the quality of this item and his work. I...
Show Me Water Experts
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Reviewed in March 2024
I recently hired Sumpter excavations and I couldn't be happier with the results. Izac was professional, efficient, and his attention to detail was exceptional. He was straight forward and honest from the beginning. He completed the job on time and within budget, and the quality of his work...
Sumpter Excavation
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Reviewed in March 2024
During the latest round of severe weather, I had a large tree fall on both my roof and the neighbor's garage. While majority of the damage was to the roof surface, there was some structural damage to trusses in both my home, and the neighbor's garage, as well as a misalignment of the neighbor's...
S.C. Craftsmanship
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Reviewed in March 2024
Robby and Dylan installed a new shower in one of my bathrooms and the experience was great! They have done several projects for me in the past and have always showed up on time and been very reliable. I definitely had a few questions and concerns regarding the shower and plumbing which Robby...
Ace Handyman & Sons
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Reviewed in October 2023
My daughter and her husband bought their first home and wanted to remove some trees for creating a yard and garden space. I took out the one that a large ladder could reach and cleared the fence of a LOT of brush. I piled this in the center of the backyard and looked at the tree, soft maple,...
JC Garay Tree & Lawn Service
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Reviewed in July 2023
Showed up on time and completed the work in a timely fashion. Besides landscaping they cut some new trails and cleaned up existing trails on my property. They also fixed a small breach in a small pond and leveled up a existing gravel road.
Sumpter Excavations
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Reviewed in November 2021
Bill came out and gave a estimate right away, they came out when bill said he would to cut down and remove 17 trees started as 4 trees but I saw a lot more dead trees and he easily added them, 2 days work, cleaned up afterwards and gave a great price, Iâ d definitely hire again.
Above It All Tree Service, LLC
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Braun's Inspection Consultants

4.7(

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Serving Saint James, MO and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"James performed the inspection like a real professional."

Recommended by100%of homeowners

Serving Saint James, MO and surrounding areas

In business since 2005

Free estimates

Mid MO Inspectors will provide you or your business with a full service approach to all your inspection needs. Please feel confident in contacting Mid MO Inspectors for your next inspection.

Recommended by100%of homeowners

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Quality Home Inspections Plus, LLC

New to Angi

Serving Saint James, MO and surrounding areas

Quality Home Inspections Plus, LLC is the solution to all of your home inspection needs. We take great pride in our extreme professionalism, timeliness, and superior customer service on every job. We make sure to develop a lasting relationship, so that the next time service is needed, there will be no question on who to call. Satisfaction guaranteed!

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Radon Detection and Reduction questions, answered by experts

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

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.

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

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter.

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

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 Saint James, 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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