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frequently asked questions

How common is radon in Colorado?
Surveys conducted by the Colorado Department of Public Health and Environment indicate that 4 out of 10 Colorado homes have the potential for having radon concentrations in excess of the EPA guidelines. That is why the number of people testing their homes, schools and office buildings is continually increasing. The state of Colorado does have a higher than most potential of increased radon levels.
Why should I test for radon?
Nearly one out of every 15 homes in the United States is estimated to have an elevated radon level (4pCi/L or more). Elevated levels of radon gas have been found in homes in your state. Contact your state radon office for more information about radon in your area. The EPA recommends fixing your home if the results of one long-term test or the average of two short-term tests show radon levels of 4pCi/L or higher. With today?s technology, radon levels in most homes can be reduced to 2 pCi/L or below. You may also want to consider fixing if the level is between 2 and 4 pCi/L.
My home has tested high for radon, now what do I do?
If you have confirmed that your home has elevated radon levels 4 pico curies per liter (pCi/L) or higher you will need to complete the following:

1) Select a qualified radon mitigation contractor to reduce the radon levels in your home
2) Determine an appropriate radon reduction method with your contractor
3) Have the appropriate radon reduction system installed
4) Perform post mitigation testing to verify the radon levels have been effectively reduced
5) Maintain your radon reduction system and inspect the system monitor periodically


Radon is invisible and has no odor. It is possible to have high levels in the home without ever knowing it - threatening the long-term health of the people you hold most dear.

High levels of Radon in your house are not necessary. An experienced Radon expert can recommend and install an effective Radon mitigation system that will bring high levels below the EPA's action level of 4 pico-curies per liter. Since every situation is different and requires a customized approach to achieve the desired results it is essential that you hire a company with a proven track record.

Centennial Radon Solutions has installed thousands of systems in Colorado Springs and the Pikes Peak region. Every system we install works - guaranteed. Contact us today for a no-cost, no-obligation survey and quotation.

Bob Webster, Owner

Radon Facts


Radon is a colorless, odorless gas that occurs naturally.
As the gas moves up through the soil it can enter buildings through the foundation and accumulate.
Radon is a Group A or Type A carginogen and has been linked to lung cancer.
In the US, Radon takes more victims annually than fires and drunk driving combined.


centennial at-a-glance

  • 12 years of experience
  • thousands of systems installed
  • in virtually all cases we guarantee radon levels below 4 pCi/l
  • honest, unbiased expert advice
  • no-cost estimates
  • accurate cost quotations - not estimates
  • member NRSB, NEHA , AARST, Better Business Bureau
  • instructor NEHA-NRPP program
  • strict adherence to EPA guidelines
  • insured and bonded


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