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Verified Reviews for Radon Detection And Reduction pros in Colstrip, MT

*The Angi rating for Radon Detection And Reduction companies in Colstrip, MT 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 Colstrip, MT 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 January 17, 2026

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Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

Avatar for Groundworks

Groundworks

No reviews yet

Groundworks

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24 years of experience

Groundworks, previously Yellowstone Structural Systems, specializes in helping homeowners with their foundation repair, basement waterproofing, crawl space encapsulation, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across Montana and Wyoming. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation or crawlspace.

Groundworks, previously Yellowstone Structural Systems, specializes in helping homeowners with their foundation repair, basement waterproofing, crawl space encapsulation, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across Montana and Wyoming. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation or crawlspace.

Good Environmental Services, Inc

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Good Environmental Services, Inc

No reviews yet
21 years of experience

GES is a Full Service Environmental company who strives to offer the latest and most innovative solutions for all our clients environmental concerns. GES is also the exclusive distributor of Microbe Guard antimicrobial coating which offers the only 25 year warranty against mold on a newly constructed home (or 10 year on a post remediation project). GES treats each clients home with the utmost care and respect, be it the contractor or the homeowner we guarantee our first class A-team service will impress. We specialize in: *Mold Remediation *Water & Fire Damage Restoration *Radon Mitigation *Indoor/outdoor HAZMAT cleanup *METH LAB cleanup *Asbestos Abatement *Dry Ice & Sand Blasting *Microbe Guard *Insulation

GES is a Full Service Environmental company who strives to offer the latest and most innovative solutions for all our clients environmental concerns. GES is also the exclusive distributor of Microbe Guard antimicrobial coating which offers the only 25 year warranty against mold on a newly constructed home (or 10 year on a post remediation project). GES treats each clients home with the utmost care and respect, be it the contractor or the homeowner we guarantee our first class A-team service will impress. We specialize in: *Mold Remediation *Water & Fire Damage Restoration *Radon Mitigation *Indoor/outdoor HAZMAT cleanup *METH LAB cleanup *Asbestos Abatement *Dry Ice & Sand Blasting *Microbe Guard *Insulation

Radon Detection and Reduction questions, answered by experts

A professional indoor air quality inspection takes anywhere from one to three hours, depending on the size of your home and the number of necessary samples. After the test, the specialist will discuss the findings, but you won’t get a full written report for 2 to 10 days, though you can ask your pro to expedite the process, if needed. 

Radon is a colorless, odorless gas that can cause lung cancer; testing ensures safe indoor air quality.

To determine whether you have radon in your home, you must run a test. Radon gas has no odor or color, so you won’t notice a concentration of radon. You could purchase a DIY test at a local hardware store, but it may not deliver completely trustworthy results. The best way to test and receive accurate results is to hire a local radon detection specialist.

No level of radon is technically safe, but because it’s everywhere—even in the air outside—it’s impossible to avoid entirely. Instead, the Environmental Protection Agency encourages taking preventative measures if the levels of radon in your home rise above 2 pCi/L. (For reference, the average radon level in homes across the United States is 1.3 pCi/L.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

The Colstrip, MT homeowners’ guide to radon detection and reduction services

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