Proper Environmental

11084 Gravois Industrial Ct
St. Louis, MO 63128
Mon-Fri 7:00am-10:00pm
Sat-Sun 8:00am-4:00pm

Proper Environmental is Missouri's one-stop-shop for indoor air quality services, including radon testing, radon mitigation, vapor intrusion mitigation, and dehumidification systems. As a family-owned and operated business, they are committed to providing the highest level of service in St. Louis, St. Charles, O' Fallon, St. Peters, Chesterfield, and nearby. With a quick turnaround time and accurate results, every customer can feel confident that their home is safe and livable.

As a local contractor in the National Radon Defense Network, Proper Environmental customers can benefit from:

  • Accurate Radon Testing
  • Highly-Trained, Qualified Radon Mitigators
  • Free, No-Obligation Radon Mitigation Estimates


  • Radon Testing to quickly and accurately determine radon levels
  • Radon Mitigation to effectively lower high radon levels
  • HUD Multi-Family Radon Testing & Mitigation
  • Indoor Air Quality Services to reduce indoor pollutant levels and improve indoor air quality.

Products Installed:

  • Continuous Radon Monitor
  • Radon Reduction Systems
  • Breathe EZ Air Cleaner
  • Breathe EZ UVC Light
  • Energy Recovery Ventilators (ERV)
  • SaniDry Sedona Basement/Crawl Space Dehumidifier

Service Area:

Proper Environmental proudly serves Missouri homeowners in St. Louis, St. Charles, O' Fallon, Chesterfield, Ballwin, Florissant, St. Peters, Maryland Heights, and nearby.

If you have concerns about the radon levels or the air quality in your Missouri home, Proper Environmental has you covered. Schedule a free, no-obligation radon mitigation estimate or radon test today.

Zach Rotkvic

Environmental Technician

Charlie Schwaab

Environmental Technician

Ashley Eldridge

Client Care Specialist