Frequently Asked Questions

What is radon?

A colorless, odorless radioactive gas that comes from uranium in soil and rock. It enters homes through the foundation and builds up indoors.

Is radon a problem in Longmont?

Boulder County is EPA Zone 1, the highest radon zone. The average home here is predicted to test above the EPA's action level of 4.0 pCi/L.

What level should I fix?

The EPA recommends fixing your home at 4.0 pCi/L or higher and considering a fix between 2 and 4.

How much does a radon system cost?

A standard sub-slab system commonly runs about $1,300 to $2,500 on the Front Range. Crawl spaces typically run $2,000 to $3,000. We give you a written price first.

Is there help paying for radon mitigation?

Colorado runs a Low Income Radon Mitigation Assistance program for qualifying households. Some HSA and FSA plans also cover systems.

Does the installer need a license?

Yes. Since July 1, 2022, Colorado has required radon mitigation professionals to hold a state license.

Will I hear the fan?

A well-placed fan, mounted outside or in the attic, is very quiet. We tell you where the fan will go before the work is scheduled.

How often should I retest?

The EPA recommends retesting every two years, and after a remodel or when you start using a basement as living space.

Still Have a Question?

Every project is a little different. Call (720) 790-3231 and we will get back to you. You can also request a free estimate and describe what you need.