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Find Radon gas abatement pros in Florissant

Avatar for Quacker's Waterproofing & Basement Repair, LLC
Quacker's Waterproofing & Basement Repair, LLC
4.7(
167
)
Radon Gas - Abatement

Serving Florissant, MO and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Jason was very professional and we are very happy with the results."
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+1

15 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for TCD Radon Specialists LLC
TCD Radon Specialists LLC
5.0(
1
)
Radon Gas - Abatement

Serving Florissant, MO and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"Tyler Depper is one of the most upstanding people I have ever come in contact with While he was in high school he worked with me on weekends and school breaks on various home improvement projects I would highly recommend him as an individual and as now a business owner for any project he is involved with As a small business owner my self I can vouch for his attention to detail and desire to finish a project on time and on budget John from Glen Carbon"
Radon mitigation system
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Avatar for Metro Radon Control of St. Louis, LLC
Metro Radon Control of St. Louis, LLC
4.9(
171
)
Radon Gas - Abatement

Serving Florissant, MO and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"He was very professional and courteous. He brought a radon gas monitor in my home to test radon levels and he said that everything was okay. And I didn’t have a problem with radon."
Response time6 hrs
Recommended by99%of homeowners
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.5(
52
)
Radon Gas - Abatement

Serving Florissant, MO and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Overall everything was pretty good. I felt the installation could have looked much cleaner but it is fine. I still haven't re tested to see what my radon levels are now."
Recommended by97%of homeowners
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Avatar for Proper Environmental
Proper Environmental
5.0(
6
)
Radon Gas - Abatement

Serving Florissant, MO and surrounding areas

Free estimates

Credit card accepted

"It went great! They set up a system in my parent's house and they mitigated the radon down to a save level. They did a test before and after, and I was satisfied with the results. Proper Environmental did a thorough job and would recommend this company to anyone!"
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+3

Recommended by100%of homeowners
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Miller Environmental Mitigation
2.8(
2
)
Radon Gas - Abatement

Serving Florissant, MO and surrounding areas

In business since 2013

Free estimates

Warranties offered

Miller Environmental Mitigation LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time2 hrs
Recommended by100%of homeowners
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Xavier's Asbestos Removal
New to Angi
Radon Gas - Abatement

Serving Florissant, MO and surrounding areas

In business since 2015

Free estimates

Credit card accepted

Xavier's Asbestos Removal has been in business since 2015 and we come to the table with over 1 year of experience. \nWe pride ourselves on our experience, quality and craftsmanship. We have a great reputation because we are honest, reliable and prompt. We are focused on providing high-quality service and customer satisfaction. We will do everything we can to meet your expectations.\n\nCall us today for an free estimate.\n

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FAQs for radon gas abatement projects in Florissant, MO

The only way to know whether your home or water supply contains radon is to schedule a professional test. A qualified radon inspector will collect samples, deliver lab-verified results, and explain the findings for $150 to $800. Once you know your exact levels, you and your radon mitigation pro can choose the right system and tackle the problem before it affects your family’s health.

Both roles tackle radon, but they focus on different steps. Inspectors test your home, interpret the results, and determine whether levels exceed EPA guidelines. Mitigation pros design and install the system that lowers those levels. Some companies do both, but the skills and equipment differ, so always verify that the person you hire is properly certified for the specific service you need.

Installing a mitigation unit fixes radon problems by reducing indoor gas levels to established safe standards. A system designed and installed by a mitigation expert, tailored to your home's specific layout and foundation, guarantees effective radon reduction. This expert installation ensures consistent performance over time while safeguarding your indoor air quality.

Open windows and doors do not reduce radon levels because they trigger a pressure imbalance that draws radon-laden air into your home. This practice fails to control radon concentration and can even worsen the issue. An active suction mitigation system provides a proven, safe, and effective solution to reliably reduce radon levels.

Radon mitigation systems generally last between 10 and 30 years, depending on system type and maintenance. Passive systems endure the longest because they have no moving parts, whereas active systems, which use a fan, require fan replacement every 5 to 10 years. System components, such as PVC pipes, seals, and fittings, can remain effective for decades when paired with periodic inspections and proper maintenance.

Radon mitigation systems consume between 300 and 3,000 kWh of electricity per year, depending on fan size and system design. On average, an active radon fan draws 100 to 300 watts continuously, which translates to roughly 876 kWh annually, and adds $30 to $300 to your energy bill each year. Choosing a high-efficiency fan and ensuring tight sealing around pipes helps minimize these ongoing costs.

The Florissant, MO homeowners’ guide to radon gas abatements

From average costs to expert advice, get all the answers you need to get your job done.

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