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Last update on November 22, 2025

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Avatar for Advanced Home Inspection, LLC
Advanced Home Inspection, LLC
4.4(
5
)

Serving Colonial Heights, VA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Been working with them for 5 + years now, and have had nothing but great feedback from customers and the quality of work is very thorough."
Example of estimate cost to rectify incl in report
Inspection
Inspection
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+4

Response time7 hrs
Response rate97%
Recommended by80%of homeowners
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Radon Detection and Reduction questions, answered by experts

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

Your radon mitigation system may be loud because it’s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

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.

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.

The Colonial Heights, VA homeowners’ guide to radon detection and reduction services

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