Frequently Asked Questions

What is radon?

A radioactive gas with no color or smell that forms as uranium in soil and rock breaks down. It gets into homes through the foundation and builds up indoors.

Is radon a problem in Boulder?

Boulder County is EPA Zone 1, the highest radon zone, and the county estimates about one in two homes has an elevated level.

At what level should I fix my home?

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

What does a radon system cost?

A standard sub-slab system usually runs about $1,300 to $2,500 on the Front Range, and crawl spaces about $2,000 to $3,000. You get a written price before any work.

Is there help paying for mitigation?

Colorado's Low Income Radon Mitigation Assistance program helps qualifying households. Some HSA and FSA plans also cover radon systems.

Does a radon installer need a license in Colorado?

Yes. Colorado has required radon mitigation professionals to be state licensed since July 1, 2022.

Will the fan be loud?

A fan mounted outside or in the attic is very quiet. We show you where it will go before the job is scheduled.

How often should I retest?

The EPA suggests retesting every two years, after a remodel, and when you start using a lower level as living space.

Still Have a Question?

Every project is a little different. Call (983) 200-7452 and we will get back to you. You can also request a free estimate and describe what you need.