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*The Angi rating for Radon Detection And Reduction companies in Sitka, AK 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 Sitka, AK 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 September 23, 2025

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Avatar for Radon Rescue 911
Radon Rescue 911
3.5(
3
)

Serving Sitka, AK and surrounding areas

In business since 2017

Free estimates

Warranties offered

"My efforts to find a reasonable and effective person was fulfilled. We needed radon testing for a move out from our home. Tyson is the man who took on this task. He was very professional and easy to work with. He did the job, got the info to us and our realtor in a timely manor. I would recommend Radon911 to any an all homeowners who need this testing done."
Response time1 day
Recommended by66%of homeowners
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BulletProof Construction, LLC
1.0(
4
)

Serving Sitka, AK and surrounding areas

In business since 2012

Free estimates

Warranties offered

Bulletproof Construction, LLC, is your premier commercial and residential home service and general contracting firm! From new construction, remodels, additions, kitchens, bathrooms, renovations, roofs, landscape construction, flooring, counter tops and so much more. We can do anything for you. We are a licience, bonded, and insured company that is headquartered in Anchorage and the Mat-Su Valley. Servicing Anchorage, Eagle River, Chugiak, Palmer, Wasilla for smaller projects and the whole state of Alaska for Larger Projects. \n\nWe value Character, Integrity, honesty, and a professional value that is not very common in Alaska. The value of a promise. We are here for you. \n\nWe have done very good work all over the state of Alaska with dozens and dozens of references we can complete all your construction projects.\n\nGive us a call today for a free consultation on your project today!

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Radon Detection and Reduction questions, answered by experts

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

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.

No, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.

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.

The Sitka, AK 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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