2.1 Approved radon-resistant features installed in Radon Zone 1 homes

To comply with the Indoor airPLUS and Zero Energy Ready Home programs, approved radon-resistant features must be installed in EPA Radon Zone 1 homes. This includes the installation of a “passive” radon system with an electrical outlet for future fan installation if an “active” system is necessary.

The following Solution Center Guides provide more information about these measures:

Guide describing how to install a radon-mitigating vertical ventilation pipe with various types of house foundations.

Guide describing how to install a radon mitigation fan with various types of house foundations.