Holmes Approved Products

We believe in making it right. To make it right you need to build it right.

That’s why we work with the Holmes Team to bring high performance radon mitigation technologies to the North American marketplace. Look for the Holmes Approved Products seal on:
Radon Guard™, Radon Block™, Radostat™, Airwell™ and products in The Testing Shop.


Interested in product case studies? Find them here.