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Q: Why is radon detection important for residential properties?

• <div><p>Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.</p></div>

Q: How much does a radon mitigation system cost?

• <div><p>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.</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 long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</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>

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Verified Reviews for Radon Detection And Reduction pros in Fort Harrison, MT

*The Angi rating for Radon Detection And Reduction companies in Fort Harrison, MT 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 Fort Harrison, MT 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 April 20, 2026

Reviewed in April 2026
Make it Sparkle Cleaning did a Deep Clean for me so I could pass a low income housing inspection I will include a couple before and after photos of the kitchen! It was probably one of the worst areas and shows the total change in appearance and attention to detail!! I’m a disabled registered...
Make It Sparkle Cleaning LLC
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Reviewed in December 2025
406 Construction came to fix my roof after it started leaking. All I had to do was turn in my claim with insurance and they took care of Everything else. They showed up on a Monday to start tearing shingles off and had the new shingles on by the middle of the next day. They did both my house...
406 Construction Consultants, LLC
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Reviewed in July 2025
Hearen industries and their team did an amazing job removing our roof and install new shingles. Our roof was steep and they handled it very well. They were respectful and professional with quality work. I would highly recommend.
Hearen Industries LLC
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Reviewed in September 2024
Very thorough, quick, and affordable! Cody was respectful to me and my home and Iâ ll definitely be using Surge Electric again.
Surge Electric LLC
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Reviewed in April 2024
From the first phone call until the inspection and goodbyes, working with Western Trim and Finish LLC was easy and enjoyable. Levi was always friendly and was always respectful to my wishes. His team arrived early, worked late and finished the deck within the 3-day time schedule he promised. ...
Western Trim and Finish, LLC
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Reviewed in May 2023
Expedient and responsive! I was unable to perform some cleanup and maintenance this spring due to an injury and Tim helped me remove some dead trees, debris, and went out of his way to help with other cleanup and spring prep to help the property be ready for sod. I look forward to Tim helping...
Tim's Lawn Care Helena
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Reviewed in January 2023
Nick and crew did a great job removing and chipping trees. They also did some excavation. They worked hard and were done sooner than quoted making the job even more affordable.
B&B Urban Forestry, Inc.
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Reviewed in May 2022
Was very pleasantly impressed by how quickly and neatly the job was done. Very thorough in removing dead branches and winter burned shrubs.
Sapphire Land and Tree
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Find Radon detection and reduction specialists in Fort Harrison

Pillar to Post Home Inspections

4.9(

)

Serving Fort Harrison, MT and surrounding areas

Approved

In business since 1998

Free estimates

Credit card accepted

"Prompt and clear communication. Thorough inspection and report within one day. Thanks Kelly!"

Response time10 mins

13 neighbors recently requested a quote

Recommended by100%of homeowners

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Affordable Radon Services, LLC

4.6(

265

)

Serving Fort Harrison, MT and surrounding areas

In business since 2011

Free estimates

Warranties offered

"Brandon with Affordable Radon came out to install a mitigation system. Brandon was AWESOME, professional, polite, informative and did a wonderful job! I would highly recommend him to anyone needing your service. He went above and beyond! ***** :)"

Response time5 hrs

Recommended by97%of homeowners

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Gallatin Home Inspections, LLC

5.0(

)

Serving Fort Harrison, MT and surrounding areas

In business since 2017

Free estimates

Credit card accepted

I am here to help you make one of the most important decisions in your life, the purchase of your new home. When you hire us you can be confident that you will gain the knowledge necessary to make an informed decision on your new investment. Contact me now to begin getting your home inspection under way.

Response time5 hrs

Recommended by100%of homeowners

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Inspection Advantage, LLC

4.9(

)

Serving Fort Harrison, MT and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"Patient with us and took the time to inform us of little things he found that would help us out but weren't prudent to the inspection"

Home Inspection in White Sulphur Springs, MT

Response time4 hrs

Recommended by100%of homeowners

Serving Fort Harrison, MT and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"Ben is thoroughly knowledgeable and answered all of my questions kindly and patiently. The price was fair. I highly recommend him."

Recommended by100%of homeowners

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Caldwell Property Inspections

New to Angi

Serving Fort Harrison, MT and surrounding areas

In business since 2021

Free estimates

Credit card accepted

At Caldwell Property Inspections- our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

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Radon Detection and Reduction questions, answered by experts

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

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.

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.

Installation typically takes 1-2 days, depending on the system and property layout.

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.

The Fort Harrison, MT 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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