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*The Angi rating for Radon Detection And Reduction companies in White Salmon, WA 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 White Salmon, WA 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 15, 2026

Find Radon detection and reduction specialists in White Salmon

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

Serving White Salmon, WA and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"I have use Alpha on a couple of my houses now. Each time, they have been very professional, timely and explain the situation very well. They present all the options and arrive as promised"
Heating Oil Tank
Radon Reduction System
Removal of Underground Tank
Response time1 day
Response rate100%
Recommended by85%of homeowners
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Avatar for Gorge Quality Home Inspection
Gorge Quality Home Inspection
5.0(
3
)
Radon Gas - Testing

Serving White Salmon, WA 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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Radon Detection and Reduction questions, answered by experts

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.

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.

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.

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.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

The White Salmon, WA 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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