Home radon test
Radon test in your home
A home radon test is placed in the basement or lowest occupied level, away from windows and drafts. In Quebec, 91 days in winter gives the most representative measurement.
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Frequently asked questions
Where should I place the radon detector?
In the basement or ground floor, at breathing height, more than 50 cm from the floor and away from exterior walls.
How long should the test last?
Health Canada recommends at least 91 days. A 4-day test is for quick screening only.