Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Winchester, OR

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: How do I test for radon gas?

• <div><p>Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.</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: 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: 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 Winchester, OR

*The Angi rating for Radon Detection And Reduction companies in Winchester, 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 Winchester, 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 May 23, 2026

Reviewed in May 2026
DML Services did a great job cleaning up my front and back yard. It was very overgrown and now looks beautiful. They were very quick to give me a quote and come out to do the work. I would recommend DML
DML Services
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Reviewed in March 2026
Great work, great communications. I've asked for extra side-services (pruning, brush clearing) and his responses and bids are quick and fair.
BS Landscaping
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Reviewed in September 2025
Thomas Excavation responded promptly to schedule a site visit. He had a plan for the work needed and a reasonable estimate within a few days. He arrived with equipment for the work as agreed. Regrading a steep road deeply eroded by spring rains, placing two culverts, re-routing water run-off...
Thomas Excavation Inc
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Reviewed in June 2025
Sid is great! Knowledgeable, on time with all the right equipment and a spotter to help him. He was efficient but thorough and safety was first! Two tall tall dead fir trees were safely cut down and as desired cedar tree limbs on the lower part of tree were removed. Sid knows how to climb trees...
Sids Outdoor Services
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Reviewed in April 2025
Linda and Brian did a fantastic job repairing and replacing facia board on our house. We sure appreciate their hard work and eye for details. I would strongly recommend LaPos Creations for hire.
LaPos Creations LLC
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Reviewed in May 2024
Junk solution+ performed an amazing service. Their service was quick and efficient, and had great pricing for our needs! Weâ re hiring them for our next junk removal project!
Junk Solution +
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Reviewed in March 2024
Mike came to do an inspection on my roof and gave me lots of info on how to best tackle this project. Professional, knowledgeable, and a delight to work with.
DaBella - Eugene
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Reviewed in September 2023
They were fast and efficient and helped me fix it the same day!! Super nice and helpful and explained to me how everything worked.
Advanced Garage Door INC.
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Reviewed in January 2023
It went Exceptionally well...Jose listened carefully to what I asked him to do...when I asked him to remove additional branches he agreed and did not hesitate to cut additional branches ...he and his crew were quick and efficient in their work...furthermore they returned the following day to...
J&J Tree Removal and Concrete LLC
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Reviewed in October 2022
The technician was knowledgeable and very helpful. Honest and reliable.
Northwest Duct Services
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Find Radon detection and reduction specialists in Winchester

A.R.T. Asbestos & Radon Testing, LLC

5.0(

)

Serving Winchester, OR and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Experience was great, very helpful."

Response time1 day

1 neighbors recently requested a quote

Recommended by100%of homeowners

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SWAT Environmental, Inc.

3.9(

)

Serving Winchester, 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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Sexton SS

New to Angi

Serving Winchester, OR and surrounding areas

In business since 2019

Free estimates

Credit card accepted

Sexton SS proudly serves it's customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

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All around Property Testing LLC

New to Angi

Serving Winchester, OR and surrounding areas

In business since 2021

Emergency services offered

Small jobs welcome

Veteran-owned and certified in mold, lead, water, and environmental property testing. We serve Cottage Grove and surrounding areas with fast EMSL lab results, affordable pricing, and reliable local service.

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Radon Detection and Reduction questions, answered by experts

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.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

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

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.

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 Winchester, 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.
Alison Kasch
•
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.
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.
Amy Freeman
•
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.