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*The Angi rating for Radon Detection And Reduction companies in Seffner, FL 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 Seffner, FL 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 May 11, 2026

Find Radon detection and reduction specialists in Seffner

Avatar for Quality 1 Restoration
Quality 1 Restoration
4.8(
33
)
Radon Gas - AbatementRadon Gas - Testing

Serving Seffner, FL and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"He was punctual and explained everything to the tenant. Very good and patient. He took a lot out of time. Professional and did his job."
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+19

Response time1 day
Response rate100%
2 neighbors recently requested a quote
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Avatar for Lightning Restoration of Tampa Bay
Lightning Restoration of Tampa Bay
5.0(
14
)
Radon Gas - AbatementRadon Gas - Testing

Serving Seffner, FL and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Great job on my personal home (roof leak) and I highly recommend Lighting Restoration to my insurance agency clients! Mike Hills"
Mold behind baseboards
Clean cuts of drywall during removal. Back side of adjacent office requires removal. Visible water and mold damage.
Moldy drywall.
Containment put up to protect unaffected areas
Mold behind baseboards from adjacent AC closet

+55

2 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Morry Remediation Solutions
Morry Remediation Solutions
5.0(
9
)
Radon Gas - Testing

Serving Seffner, FL and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Morry Mold came out and did test for mold within less than 24 hours of us having contacted them, they were professional and really seemed to be concerned for my families safety. They did find mold and removed and fixed our problem, all of their workers were friendly and respectful of our home."
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Response time1 day
Recommended by100%of homeowners
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Avatar for REFORM RESTORATION LLC
REFORM RESTORATION LLC
4.3(
6
)
Radon Gas - Testing

Serving Seffner, FL and surrounding areas

In business since 2019

Emergency services offered

Warranties offered

"I recently faced an emergency roof leak and cannot recommend Alex Comer with American Roof Pro LLC highly enough. He provided immediate assistance, even on a Sunday, which was incredibly reassuring during a stressful situation. His quick response and expertise were invaluable, saving me from extensive damage and costly repairs. Thanks to his efforts, my home remains safe and secure until my roof replacement can commence. If you find yourself in a similar situation, don't hesitate to reach out to Alex and his team!"
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+1

Recommended by66%of homeowners
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Radon Detection and Reduction questions, answered by experts

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 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.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. 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 action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

The Seffner, FL 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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