About Us

Langer Construction/Radon Testing and Mitigation and Radon Gas Remediation is NEHA/NRPP certified, licensed and insured. We accurately measure radon and professionally install radon mitigation systems according to the latest EPA Radon Mitigation Standards. All of our work and materials are guaranteed for 5 years and is transferable.

We are proud of our excellent customer service and timely response to radon test requests as well as quick turnaround on installing your mitigation system.

We service Western Wisconsin and Eastern Minnesota.

Mike Langer, Owner

Mike is a native of Hudson, WI and has been a resident of St. Croix County for over 40 years. He is a trusted carpenter and contractor and has been a local business owner for over 20 years. Mike is very dedicated and is available to answer any questions or concerns. He is involved with overseeing and performing the installs and inspections.

Learn more about our Testing and Mitigation services here.

For additional resources to learn about radon, visit our Resources page.