Family-Owned & NRPP Certified
Protect Your Home from Radon Gas
Certified, family-owned radon testing and mitigation specialists serving St. Croix County and surrounding areas for over 20 years. Fast, effective, and affordable solutions for safer indoor air quality.
Why Choose Us
Trusted Radon Experts for Over 20 Years
Langer Construction, Inc. is a family-run, NRPP-certified radon mitigation and testing company. We deliver personal service, local expertise, and proven results.
Certified Specialists
NRPP-certified, fully trained, and experienced professionals.
Comprehensive Service
From radon testing to mitigation and ongoing support.
Personal Approach
Family values, local focus, and a commitment to your safety.
Our Radon Services
Protect your home and loved ones with our full suite of radon solutions.
Radon Testing
Comprehensive radon testing to identify dangerous gas levels in your home or property.
Mitigation System Installation
Professional installation of custom radon mitigation systems tailored to your building’s needs.
System Maintenance & Support
Ongoing service and maintenance to ensure your radon mitigation system remains effective.
The Benefits of Radon Mitigation
Why Radon Reduction Matters
Healthier Home
Reduce your family’s risk of lung cancer and other health issues.
Peace of Mind
Know your indoor air quality is safe and professionally managed.