Iowa Radon Defense Northwest
radon
Serving Storm Lake, IA
From Google Business Profile
5.0
6 Google reviews
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: Environmental health service, Air filter supplier
View on Google Maps →Last checked October 4, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
Photos on Google: 18
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · May 2026 · Owner replied
Had a few bids for this project, ultimately went with this company because I felt they actually cared. The design specialist did a great job making sure my home would be safe from indoor air contaminates. Installers were very tidy and hard…
5 out of 5 stars · May 2026 · Owner replied
Amazing people to work with highly recommend
5 out of 5 stars · May 2026 · Owner replied
I highly recommend them to keep your families safe as mine are now. They were very friendly and efficient! The scheduling was a breeze as well and they worked around our schedule which is very hectic!
The owner replied to 5 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 4, 2026.
About this business
Iowa Radon Defense Northwest is your trusted radon contractor in Northwest Iowa. If you think you might have radon in your home, give us a call and we'll have a trained inspector come out as soon as possible.
Service area: Storm Lake, Sioux City, Spencer, Le Mars, Sioux Center, Cherokee, Fort Dodge, Carroll, Orange City, Sac City, Northwest Iowa, Arcadia, Auburn, Badger, Barnum, Belmond, Blairsburg, Burnside, Callender, Clare, Clarion, Coon Rapids, Dakota City, Dayton, Dedham, Dows, Duncombe, Eagle Grove, Ellsworth, Farnhamville
- Licensing
- NRD-University certified, NRPP-certified
- Financing
- Available
- Estimates
- Available
Brands and certifications: National Radon Defense (NRD) network, NRD-University, National Radon Proficiency Program (NRPP)
Awards and memberships: National Radon Defense (NRD) network
Source: the business's own website and its Google Business Profile description, read automatically on October 15, 2026. Not verified by EdgeLocal.
About radon mitigation in Storm Lake
Radon mitigation contractors test for and reduce radon gas levels in homes. Radon mitigation contractors perform radon testing, install sub-slab depressurization systems with fans and piping, seal cracks and sump pits, and verify reduced levels with follow-up testing.
Typical cost: $900–$2,500 for a typical mitigation system. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Verify state certification: Iowa, Minnesota, Illinois and Nebraska credential radon professionals.
- Ask about post-mitigation testing: Confirm levels below 4 pCi/L.
- Discuss fan placement: Fans should be outside living space.