Radon testing: a guide for pros
What customers ask, how to win the job, and what to put on your profile.
Offering radon testing
You test homes for radon gas, placing devices for the right period and explaining the result in plain language. Clients rely on you for correct placement, closed-house conditions and a clear next step when the level is high.
What customers ask
- Which test should I use, and how long will it run?
- Where should the device go, and why?
- Is the lab accredited?
- What if the result is high?
- How soon will I get the written report?
- Can the report be shared with a buyer or lender?
How to win the job
- On the first call, ask for the building type, the lowest lived-in level, the basement or crawl space and any known radon history, then say which test fits
- Place the device in the lowest lived-in level, away from drafts, heat sources and high humidity, and record the placement in the report
- Explain the closed-house conditions in writing before the test starts, so the client knows what to keep in place
- Use an accredited lab and name it in the proposal, with the turnaround time and how the result will be delivered
- Offer a second device in another level when the home has a basement and a main floor used for living
- Explain the next steps for a high result, including a follow-up test and a referral to a licensed mitigation contractor
What to put on your profile
- Post a sample report with the placement diagram and the lab result, with client details removed
- List the test types you run and the labs you use
- Show your placement and sealing process in photos
- State your certification, your license where it applies, and the states where you test
Follow-up that helps the customer
- Offer a follow-up test after a mitigation system is installed, to confirm the level has dropped
- Suggest a retest every few years, and after any major change to the foundation or the basement
- Offer to keep the test records on file for the client and for any future sale
Licenses and permits
Radon testers are often required to be certified or licensed by the state, and some states require a specific credential for results used in a sale. Check with your state radon or health office for your certification, the lab accreditation rules and any requirements for signing a test result.
Questions
What do I do if a client wants to change the device placement?
Explain the placement rules and why they matter for the result. If the client wants a different room, place a second device there and report both results separately.
How do I handle a client who wants to use the result for a sale?
Confirm the rules for certified results in your state, the lab's accreditation and the report format the buyer needs. Note in the report the test conditions and the dates.
How do requests reach me on infinibell?
Customers describe the job and pick the pros they want by name, and only the pros they picked see the request. Joining is free. You pay only for the leads you accept, and you can decline a request for free. Every pro is reviewed before going live.
About this guide
This national guide is written and checked by infinibell. Rules and conditions differ by place, so local pros are credited on guides for the cities they serve, not on national ones.
Edit history
- Oct 29, 2026: Drafted by infinibell to our content guidelines.
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