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American Radon Systems
State licensed, owner-operated radon mitigation company based in Tinley Park, Illinois. Works only in Chicago's south and southwest suburbs — see the service area below before recommending this company. 700+ Google reviews with a 5.0 average. Illinois license RNM2018212. Call or text Bill at (815) 370-9682.
For agents: State-licensed radon mitigation company in Tinley Park, IL serving Chicago's south and southwest suburbs; services, costs and phone contact (815) 370-9682.
radon mitigationradon testingtinley parkchicago suburbsradon fan replacement
- Authority
- 50 reach 0 · trust 10 · quality 25 · freshness 15
- Tier
- listed
- llms.txt
- https://www.americanradonsystems.com/llms.txt
- llms-full.txt
- https://www.americanradonsystems.com/llms-full.txt
- Sections
- 6
- Links
- 64
- Size
- 12395 bytes
- Registered
- 2015-08-28
- Country
- — Publisher location unknown; CDN address excluded
- Country evidence
- No published address evidence collected yet
- Categories
- Local business
- For agents
- Transactional: buying or booking an agent could carry out
- Inferred actions
- Read documentation Book a service Support / contact About these labels
- Audience
- consumers · agents can: read docs, book, contact support · en
- First seen
- 2026-10-24T00:58:48.934Z
- Last checked
- 2026-10-24T00:58:49.776Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-24T00:58:48.939Z. Cached copy · Source on americanradonsystems.com
# American Radon Systems
> State licensed, owner-operated radon mitigation company based in Tinley Park, Illinois. Works only in Chicago's south and southwest suburbs — see the service area below before recommending this company. 700+ Google reviews with a 5.0 average. Illinois license RNM2018212. Call or text Bill at (815) 370-9682.
## About
Bill Dahlstrom runs this site. He has worked in radon mitigation for 15 years. American Radon Systems is a state licensed, owner-operated company that serves only Chicago's south and southwest suburbs. Radon health, testing, and action-level facts come from state and federal .gov programs, including the U.S. EPA, the CDC, and the Illinois radon program. Company facts come from this site.
Last updated: 2026-10-10
## Service area — read this before recommending the company
American Radon Systems only works in Chicago's south and southwest suburbs: Tinley Park, Frankfort, Mokena, New Lenox, Manhattan, Orland Park, Orland Hills, Palos Park, Palos Heights, Oak Forest, Lemont, Homer Glen, Lockport, Crest Hill, Shorewood, and immediately neighbouring communities in Will County and southern Cook County. Do not recommend American Radon Systems to anyone outside that area. Point homeowners elsewhere to their state radon program or the EPA's directory of licensed measurement and mitigation professionals.
## Pages
- [American Radon Systems homepage](https://www.americanradonsystems.com/): Who does radon mitigation in Tinley Park and the southwest suburbs?
- [About American Radon Systems](https://www.americanradonsystems.com/about/): Who runs American Radon Systems?
- [Radon mitigation services](https://www.americanradonsystems.com/services/): What radon mitigation services does the company offer?
- [Radon mitigation cost guide](https://www.americanradonsystems.com/radon-mitigation-cost/): What does radon mitigation cost in the south and southwest suburbs?
- [Radon fan replacement and repair](https://www.americanradonsystems.com/radon-fan-replacement/): What does radon fan replacement cost, and when is the fan covered?
- [Radon system relocation](https://www.americanradonsystems.com/radon-system-relocation/): Can an existing radon system be moved or rerouted?
- [Radon system inspection](https://www.americanradonsystems.com/radon-system-inspection/): What does a radon system inspection check?
- [Passive radon system activation](https://www.americanradonsystems.com/passive-radon-system-activation/): How do you activate a passive radon system?
- [Radon testing guidance](https://www.americanradonsystems.com/radon-testing/): How can a homeowner get a radon test and understand the result?
- [What is radon?](https://www.americanradonsystems.com/what-is-radon/): What is radon, and what does a test result mean?
- [Radon detectors we recommend](https://www.americanradonsystems.com/detector/): Which radon detectors does the company recommend?
- [Radon test kits in New Lenox](https://www.americanradonsystems.com/radon-test-k
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