Thompson Falls, MT

Radon Testing & Environmental Services in Thompson Falls, MT

Big Sky Environmental Engineering provides trusted radon testing and mitigation services in Thompson Falls, Montana. With over 40 years of environmental health and construction experience, we help homeowners and businesses ensure their indoor air is safe, compliant, and free from dangerous radon exposure.



Radon is a colorless, odorless gas that can accumulate in homes without warning. That’s why accurate testing and effective mitigation are essential for protecting your family and property value.

Our Services in Thompson Falls, MT

Radon Testing Services


We provide fast, reliable radon testing with instant results so you know immediately whether your home or building is at risk. Our testing methods are designed for accuracy and efficiency, eliminating long wait times associated with lab-based testing.

Radon Mitigation Systems


If elevated radon levels are detected, we design and install custom mitigation systems that safely vent radon gas from beneath your home. These systems are:

  • Quiet and energy-efficient
  • Built for long-term performance
  • Designed to reduce moisture and improve indoor air quality

Follow-Up Testing & Verification


We offer follow-up testing after mitigation to ensure your radon levels have been successfully reduced.

Why Thompson Falls Homeowners Choose Us

  • Over 40 years of environmental experience
  • Certified environmental professionals
  • Member of the Montana Environmental Health Association
  • Fast turnaround testing and clear results
  • Local service tailored to Sanders County homes and businesses

Protect Your Home Today

Radon exposure is a serious health risk—but it’s preventable. Contact Big Sky Environmental Engineering for professional radon testing and mitigation in Thompson Falls, MT.

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