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*The Angi rating for Radon Detection And Reduction companies in Port Townsend, 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 Port Townsend, 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 March 08, 2026

Find Radon detection and reduction specialists in Port Townsend

Avatar for 5 Microns Inc.
5 Microns Inc.
4.9(
74
)
Radon Gas - Testing

Serving Port Townsend, WA and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

"I am very pleased with service from 5 Microns. They were quick to communicate, showed up on time, very professional and promptly shared the test results."
Vinyl sheeting asbestos test
Wall asbestos test
Asbestos air test
Mold and moisture testing
Mold air test

+32

Response time3 hrs
Response rate98%
Recommended by100%of homeowners
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Palm Construction and Remodeling Inc.
4.2(
88
)
Radon Gas - AbatementRadon Gas - Testing

Serving Port Townsend, WA and surrounding areas

In business since 2020

Free estimates

Offers commercial services

"Palm Construction recently replaced roof on my house and it was a great experience to work with Lee and his well organized team from Palm Construction. They did excellent job and my roof passed inspection with no issues. The quality of work and materials is excellent and my new roof looks fantastic. Also my whole house looks mush better now. Thanks!"
Response time2 days
Recommended by90%of homeowners
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
1.8(
4
)
Radon Gas - Abatement

Serving Port Townsend, WA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

SWAT Environmental is the nation's largest radon abatement engineer. Our experienced staff has corrected radon problems for over 60,000 customers since 1988 with 100% success!

Recommended by50%of homeowners
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Radon Detection and Reduction questions, answered by experts

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.

While DIY testing is possible, abatement generally requires professional installation to ensure efficacy and meet safety standards.

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.

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.

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

The Port Townsend, 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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