Radon Questions, Clear Answers
Radon is an indoor-air issue worth taking seriously, but it does not need to become a panic project. Use these guides to understand the result, plan the right work for the home, and know what to ask before anyone drills a hole.
Have a result?
Start with the number
Learn what the units mean, whether the test conditions were useful, and what a sensible next step looks like.
Understand your result →No result yet?
Test before guessing
American Radon Systems does not sell testing. We explain the process and can point you toward appropriate options.
Read testing guidance →System concern?
Send Bill a photo
A clear photo of the fan and U-tube manometer often makes the first conversation much easier.
Text Bill (815) 370-9682 →Understand the issue
Radon basics and testing
Learn what radon is, why one home can test differently from the next, and how to make sense of a result without jumping to conclusions.
What is radon?
A calm introduction to radon, how it enters a home, and why testing matters.
Read the guide →Radon testing guidance
Testing options, result timing, and where to find a licensed measurement professional.
Read the guide →Understand a radon test result
What pCi/L means and how to think about a high, borderline, or changing result.
Read the guide →Short-term vs. long-term testing
When each approach is useful and why test conditions matter.
Read the guide →What to expect during a radon test
How to prepare the home, maintain closed-house conditions, and avoid common test problems.
Read the guide →Plan the fix
Mitigation systems and installation
See how a radon system works, what affects the design, what a realistic quote should include, and how to prepare for installation.
Radon mitigation services
New systems, crawl spaces, sump details, passive activation, repair, and diagnostics.
Read the guide →Radon mitigation cost guide
Straightforward pricing ranges and the home details that can change a quote.
Read the guide →What to expect on installation day
A step-by-step look at preparation, pipe routing, cleanup, and follow-up testing.
Read the guide →How to choose a mitigation company
A practical Illinois checklist for comparing licensing, plans, warranties, and communication.
Read the guide →Test before finishing a basement
Coordinate radon planning with drywall, ceilings, flooring, built-ins, and future room use.
Read the guide →How long mitigation usually takes
What can be completed in one visit and which home details can add time.
Read the guide →Illinois mitigation installation guide
Licensing, system components, post-mitigation testing, and what homeowners should expect.
Read the guide →Already have a system
System care, repair, and changes
Start with a few safe homeowner checks, then learn when an existing fan, passive pipe, or system layout deserves a professional look.
Is my radon system working?
Check the fan, U-tube manometer, pipe, sump lid, and recent test pattern.
Read the guide →Fan replacement and system repair
Help for a quiet, loud, vibrating, failed, or aging fan, even if another company installed it.
Read the guide →Passive system activation
What the builder-installed pipe does and when adding a fan may be the right next step.
Read the guide →Existing-system inspection
A visible check of the fan, manometer, pipe route, sump lid, and obvious suction concerns.
Read the guide →Relocation and pipe rerouting
Plan around a finished basement, addition, patio, exterior project, or layout change.
Read the guide →Customer care and warranty
System upkeep, warranty help, and what to send Bill when something does not look right.
Read the guide →Homes changing hands
Real estate and property guidance
Clear paths for buyers, sellers, agents, landlords, and investors working with test results, deadlines, and existing systems.
Buying or selling a home
What each side should gather and how to keep the radon part of the transaction moving.
Read the guide →Guidance for realtors
Buyer-side and listing-side information for quotes, documentation, and scheduling.
Read the guide →Guidance for landlords
Practical mitigation planning for occupied rentals and existing systems.
Read the guide →Guidance for property investors
A repeatable way to evaluate radon needs across purchases and renovations.
Read the guide →The house matters more than the zip code.
Radon can vary between neighboring homes. A useful plan starts with the actual foundation, sump, crawl space, finished rooms, passive piping, existing fan, and test history, not a generic answer copied from another house.
American Radon Systems serves the south and southwest suburbs. Bill personally looks at the home before the final system design and quote.
Still not sure which guide fits?
Call or text Bill with the address, the result if you have one, and what you are trying to figure out. You do not need to diagnose the house first.
Call Bill (815) 370-9682