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*The Angi rating for Radon Detection And Reduction companies in Kapolei, HI 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.

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Last update on August 03, 2026

Top-Rated Radon detection and reduction specialists in Kapolei - Updated Nov 2026

Avatar for Arete Home Inspectors
Arete Home Inspectors
5.0(
6
)
Radon Gas - Testing

Serving Kapolei, HI and surrounding areas

In business since 2008

Free estimates

Small jobs welcome

"So thankful for Joe! He responded promptly and was able to conduct his inspection the very next day. Very professional, knowledgeable and kind. I will be recommending Arete Home Inspectors to everyone. Mahalo nui!"
Kailua inspection
Response time1 day
Response rate87%
Recommended by20%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.

Mitigation reduces radon levels, protecting your health and complying with safety standards.

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. 

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

The Kapolei, HI homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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