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Top-Rated Radon detection and reduction specialists in Thayer - Updated Nov 2026

Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.5(
52
)
Radon Gas - Abatement

Serving Thayer, MO and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"I would definitely recommend this company to anyone!!! I hired them and the job was done nicely, Dan O'Brien was the technician who took care of the project and he did an excellent job, he answered all of my questions and explained to me everything related to Radon gas. When he finished setting everything up and the job was completed all the working area looked super clean and the installation looks just like it is part of the house and that has been there forever. This is what I call a Perfect and Complete execution of a Radon gas mitigation project."
Recommended by97%of homeowners
HASS Consulting LLC
5.0(
4
)
Radon Gas - Testing

Serving Thayer, MO and surrounding areas

In business since 2023

Free estimates

Credit card accepted

"I was extremely happy with the Quality Air Test that Mr Clark provided. It was reasonably priced and done effectively and efficiently… Results were received in a timely manner as he explained. He answered any questions I had and was professional and polite… I highly recommend HASS Consulting…"
Response time7 hrs
Recommended by75%of homeowners
Radon Detection and Reduction FAQs, answered by experts

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

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

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

Mitigation reduces radon levels, protecting your health and complying with safety standards.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

The Thayer, MO 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.