Cleaning Air,
Saving Lives
Radon Testing • Radon Mitigation System
Indoor Air Quality • Commercial Services
Curt Drew, Owner
Our Services
Radon Mitigation
Radon Mitigation
Reduce high radon levels with a customized mitigation system designed to protect your home and family.
Radon Mitigation
Radon Testing
Radon Testing
We professionally test radon levels to identify potential risks and determine whether mitigation is needed.
Radon Testing
Indoor Air Quality
Indoor Air Quality
Improve your home's indoor air quality with solutions that address pollutants, excess moisture, ventilation issues, and more.
Indoor Air Quality
Commercial Services
Commercial Services
Protect employees, tenants, and building occupants with commercial radon testing, mitigation, and indoor air quality solutions.
Commercial Services
Why Homeowners Choose Us
At South Dakota Radon Defense , we believe every homeowner deserves an exceptional experience and lasting peace of mind. Our team delivers dependable, customized radon mitigation and indoor air quality solutions designed around your home's needs. During your free inspection, we'll explain our findings, walk you through our recommended solutions, and provide clear, upfront pricing so you know what to expect before work begins.
Homeowners throughout the Greater Sioux Falls & Eastern SD community trust us to deliver reliable radon mitigation and indoor air quality solutions that help protect their homes and the people inside. We take that responsibility seriously and provide customized solutions designed to meet each home's unique needs. As a National Radon Proficiency Program and National Radon Defense University-Certified company, we're committed to giving you greater confidence in your home's air quality. Contact us today to learn how we can help protect your home in Harrisburg, Tea, Brandon, or nearby in South Dakota.
Industry Leaders
Locally Owned & Supported by a National Network
Dependable Solutions
Comprehensive Radon & Indoor Air Quality Services
Experienced Crew
Certified Professionals You Can Trust
Customer-Focused
Free Estimates & Convenient Financing Options
Professional Radon Testing, Mitigation & Indoor Air Quality Services in South Dakota
Trusted Radon Company in Harrisburg, Tea & nearby
Radon is an invisible, odorless radioactive gas and one of the leading causes of lung cancer for nonsmokers. Without reliable testing, it is undetectable, which is why professional radon testing and mitigation are essential to protect your home or workplace and the people inside.
As part of the National Radon Defense network, South Dakota Radon Defense combines local service with access to national resources, training, and proven radon mitigation practices. Plus, our NRD University and National Radon Proficiency Program (NRPP) certifications reflect our commitment to professional training and industry standards.
We provide customized residential and commercial radon testing and mitigation, along with comprehensive indoor air quality services to address your property's unique needs. From initial testing to tailored solutions, our team prioritizes reliable service, clear communication, and long-term peace of mind.
Contact South Dakota Radon Defense for a free estimate on radon mitigation or indoor air quality services throughout Brandon, Sioux Falls, Tea, Harrisburg, and surrounding South Dakota areas.
From residential radon mitigation to commercial radon services and comprehensive indoor air quality solutions, South Dakota Radon Defense delivers customized options to meet your property's needs. As part of the National Radon Defense network, we combine local service with industry training and proven practices to help create a healthier indoor environment.
Protect Your Home With Professional Radon & Indoor Air Quality Solutions
South Dakota Radon Defense helps homeowners in Hartford, Brookings, Sioux Falls, Brandon, Tea, Harrisburg, and surrounding South Dakota areas protect their homes with professional radon testing, mitigation, and indoor air quality services. As part of the National Radon Defense network, we follow proven standards and draw on decades of shared experience with our sister companies, Radon Defense Midwest, Iowa Radon Defense, and Iowa Radon Defense Northwest.
We also know radon isn't the only concern affecting indoor air quality. Allergens, mold, volatile organic compounds (VOCs), and excess moisture can also impact your home or property. That's why our solutions also include vapor intrusion mitigation, dehumidifiers, air purifiers, and other indoor air quality services to help create a cleaner, healthier home.
Trust the indoor air quality experts at South Dakota Radon Defense
Protect your home with professional radon testing, radon mitigation, and indoor air quality solutions from South Dakota Radon Defense . As part of the National Radon Defense network, we combine local service with nationally recognized expertise, solutions, and systems for lasting peace of mind.
Call 1-605-743-3529 or contact us online for a free, no-obligation estimate. We serve residential and multifamily properties throughout Hartford, Sioux Falls, Chancellor, Brookings, Baltic, Mitchell, Parker, Harrisburg, Tea, Brandon, and surrounding South Dakota areas.
We serve the following areas
- Alexandria
- Alpena
- Armour
- Artesian
- Avon
- Chamberlain
- Corsica
- Dante
- Delmont
- Dimock
- Emery
- Ethan
- Freeman
- Fulton
- Gayville
- Geddes
- Harrison
- Hitchcock
- Huron
- Irene
- Kaylor
- Lake Andes
- Lane
- Lesterville
- Letcher
- Marty
- Menno
- Mission Hill
- Mitchell
- Mount Vernon
- New Holland
- Olivet
- Parkston
- Pickstown
- Plankinton
- Platte
- Scotland
- Springfield
- Stickney
- Tabor
- Tripp
- Tyndall
- Utica
- Virgil
- Wagner
- Wessington Springs
- White Lake
- Wolsey
- Woonsocket
- Yankton