Top-rated radon detection and reduction specialists.

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

Enter your zip and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in The Dalles, OR?

Select your specific project to find the pro for you.

Verified Reviews for Radon Detection And Reduction pros in The Dalles, OR

*The Angi rating for Radon Detection And Reduction companies in The Dalles, 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 The Dalles, 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 30, 2026

Find Radon detection and reduction specialists in The Dalles

Avatar for Absolute Environmental, LLC
Absolute Environmental, LLC
4.8(
12
)

Serving The Dalles, OR and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quick response

"Mike came out to do Radon Mitigation at our property. We had received quotes from some local companies reaching into 5 figures! Mike not only did the job for a 3rd of the cost, but the radon levels were massively reduced to proper safe amounts. High quality materials used in the work, and he completed everything in one day. He is a super nice guy, who is very experienced at what he does, straight forward, and honest. You can't go wrong, and I would definitely recommend him to friends."
Same as outdoor air
Radon Mitigation
Radon Mitigation
Radon Mitigation
Almeda Ridge

+7

Response time1 day
Response rate88%
Recommended by100%of homeowners
Request Quote
Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
3.9(
23
)

Serving The Dalles, OR and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"There were some problems along the way . When those were pointed out via HomeAdvisor, the company responded and fixed what needed to be fixed with competence and generosity."
Recommended by90%of homeowners
Request Quote
Radon Detection and Reduction questions, answered by experts

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

Yes, many systems include warranties for performance. Confirm terms with your installer.

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 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).

Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.

The The Dalles, 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