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

*The Angi rating for Radon Detection And Reduction companies in Sublimity, 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 Sublimity, 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 January 07, 2026

Find Radon detection and reduction specialists in Sublimity

Avatar for Alpha Environmental Services Inc
Alpha Environmental Services Inc
4.7(
134
)
Radon Gas - AbatementRadon Gas - Testing

Serving Sublimity, OR and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"From initial inspection to mitigation was about a week. Technician were punctual and finished within time estimated."
Heating Oil Tank
Radon Reduction System
Removal of Underground Tank
Response time1 day
Recommended by85%of homeowners
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Avatar for Nordic Service Group, LLC
Nordic Service Group, LLC
5.0(
4
)
Radon Gas - Testing

Serving Sublimity, OR and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Chris was fantastic to talk to about what he checks for during the inspection and what i should expect to see on his report. Chris was on time, incredibly thorough and detailed. I highly recommend him to anyone looking for a great home inspector."
Response time3 hrs
Response rate92%
36 neighbors recently requested a quote
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Avatar for John's Waterproofing Co.
John's Waterproofing Co.
4.0(
71
)
Radon Gas - AbatementRadon Gas - Testing

Serving Sublimity, OR and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"You will need make sure everything is explained and understand what is included as maintenance."
Encapsulation System
Before Encapsulation
Before Interior Drain System
After Interior Drain System
Finished basement

+38

Response time6 hrs
186 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for Gorge Quality Home Inspection
Gorge Quality Home Inspection
5.0(
3
)
Radon Gas - Testing

Serving Sublimity, 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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Environmental Testing & Training NorthWest
4.0(
1
)
Radon Gas - Testing

Serving Sublimity, OR and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"The company rep collected site samples quickly ... in and out in about 20 minutes. And, the company turned the report around in two days. The service was a pricy, mostly due to the fixed call-out fee. The cost per sample was higher than one other instance that I know of but not unreasonable."
Response time12 hrs
Recommended by100%of homeowners
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Showing 1-10 of 13
Radon Detection and Reduction questions, answered by experts

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 lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

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

The Sublimity, 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.

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