Top-rated radon detection and reduction specialists.

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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: How is radon gas abatement professionally handled?

• <div><p>Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.</p></div>

Q: Is a radon mitigation system expensive to run?

• <div><p>The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.</p></div>

Q: Why is radon gas abatement necessary for homes?

• <div><p>Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.</p></div>

Q: Is radon a serious problem?

• <div><p>Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Helena, MT

*The Angi rating for Radon Detection And Reduction companies in Helena, 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 Helena, 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 Helena

Pillar to Post Home Inspections

4.9(

)

Serving Helena, 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

11 neighbors recently requested a quote

Recommended by100%of homeowners

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Affordable Radon Services, LLC

4.6(

265

)

Serving Helena, 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 Helena, 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 Helena, 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 Helena, 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 Helena, 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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Kamps Squared Home Inspections, LLC

5.0(

)

Serving Helena, MT and surrounding areas

In business since 2021

Free estimates

Offers commercial services

Kamps Squared Home Inspections, LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations

Response time3 hrs

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Clement and Sons Property Solutions

New to Angi

Serving Helena, MT and surrounding areas

In business since 2013

Free estimates

Credit card accepted

Clement and Sons Property Solutions is owner operated and is certified in home inspection. My quality of service combined with professional training, provides you with the comfort you will be receiving a top-notch inspection. Visit our website or give us a call today!

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Radon Detection and Reduction questions, answered by experts

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.

Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.

The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.

Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

The Helena, 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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•
Apr 5, 2026Apr 5, 2026
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