What type of device is most effective for treating radon in well water?

A Point of Entry Device is the most effective choice for treating radon in well water because it is installed at the entry point of the water supply into a home. This type of system is designed to remove radon before the water is distributed throughout the house. Since radon in water can be released into the air during everyday water use, such as showering or dishwashing, addressing radon contamination at the entry point helps to minimize exposure.

This device typically employs techniques such as aeration or granular activated carbon filtration to remove radon from the water. By treating the water before it enters the home, it effectively reduces the risk of radon exposure in indoor air as well.

In contrast, Point of Use Devices are typically intended for specific outlets, like sinks or showers, and might not address the issue comprehensively across the entire household. Whole House Filtration systems can be effective but may not always target radon specifically as efficiently as a Point of Entry Device does. Lastly, while a Carbon Unit is also used for treating water, its effectiveness can vary, and it might not be the primary choice when the objective is specifically targeting radon, particularly when compared to a dedicated Point of Entry system.