Top 10 Best Radon detection and reduction specialists in Mosier, OR

Q: How long can you go without a radon fan?

• <div><p>Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.</p></div>

Q: How often should you replace a radon fan?

• <div><p>Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.</p></div>

Q: Is it okay to live in a house with radon?

• <div><p>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.</p></div>

Q: Can I use my sump pit for radon mitigation?

• <div><p>If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.</p></div>

Q: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Mosier, OR

*The Angi rating for Radon Detection And Reduction companies in Mosier, OR 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 Mosier, OR 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 29, 2026

Reviewed in April 2026
On a friends recommendation I picked CM Landscape to do a retaining wall and to install a bubbler water feature in my garden. The project turned out great and was completed on time. The owner of the company seemed to have a lot of experience and creative solutions to making my yard...
Cm landscape LLC
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Reviewed in March 2026
Manny and his team have done great work with general maintenance, yard and long cleanup, and planting a couple of things now and then. We're really happy with this work, it's a good value.
Manny's Property Maintenance, LLC
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Reviewed in October 2025
Eric and his crew did a phenomenal job removing a total of 3 diseased pine trees which towered above surrounding fir trees. Two of the three 120 ft pines were leaning dangerously, posing a major threat to property and persons. Thank you, again, Eric.
E&S Tree Service
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Reviewed in August 2025
I am more than satisfied with my new deck from Cascade Fence and deck, I am delighted. The entire process from the initial bid to finalizing the design, scheduling and construction went extremely smoothly and there were no surprises. The installers, Eli and Paul were terrific and their...
Cascade Fence & Deck
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Reviewed in April 2025
Western edge tree service has done tree removal and trimming at my house multiple times over the last 8-10 years. They are professional, do a great job, and clean up after themselves. I would recommend them to anybody!
WESTERN EDGE TREE SERVICE LLC
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Reviewed in November 2024
I have been using Garcia Cleaning services for about two years now they clean my house about once a week. It’s always spotless and perfect. They go above and beyond helping with extra house cleaning items like replacing rugs or purchasing cleaning supplies. They’re very punctual, and super easy...
Garcia Cleaning LLC
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Reviewed in March 2024
Happened upon his skills and knew he was perfect for the job. I had a vision in my head of a gift for a family member. He took the vision in my head and made it a perfect reality. Could not have been better. His work was flawless and his attention to small details showed. Would totally...
JP custom
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Reviewed in May 2023
Julio and Alex came when the said they would, worked through the trimming and yard debris removal in just a couple hours, and Juilo's rate was very reasonable!
Simply Landscaping LLC
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Reviewed in May 2023
Joel came when he said he would, demonstrated excellent workmanship in repairing/replacing the steps to my front porch, AND he brought the project in for the amount he had estimated for both materials and labor!
Fort Dalles Contracting & Home Repairs LLC
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Reviewed in January 2023
Terrific to work with. Very knowledgeable and helpful
Kasel Construction, LLC
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Find Radon detection and reduction specialists in Mosier

SWAT Environmental, Inc.

3.9(

)

Serving Mosier, OR and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Their service representative was efficient, professional and very informative. Very pleased with the results. Would use them again."

Recommended by90%of homeowners

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Gorge Quality Home Inspection

5.0(

)

Serving Mosier, OR and surrounding areas

In business since 2019

"Greg is always prompt in responding to scheduling and has a quick turnaround on reports too. I like his reports because they have plenty of pictures and he takes the time with buyers to answer any questions whether it be on site or following up on the report."

Recommended by100%of homeowners

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Pure Maintenance Cascades

5.0(

)

Serving Mosier, OR and surrounding areas

"It was good. They took care all of the smell in the house. They showed up on time. It was a good experience."

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

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.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

The Mosier, OR 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.

See all articles

Mitchell Grant
•
Mar 18, 2026Mar 18, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Angi
•
Mar 18, 2026Mar 18, 2026
How Much Does Radon Testing Cost? [2026 Data]
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
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•
Apr 6, 2026Apr 6, 2026
How Much Does Radon Remediation Cost? [2026 Data]
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
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•
Apr 5, 2026Apr 5, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
Jacqueline DeMarco
•
May 2, 2026May 2, 2026
What Is Radon and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
Jacqueline DeMarco
•
Apr 10, 2026Apr 10, 2026
What Is Radon Testing?
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.