"Radon kit Canada" has about 110 searches per month. The site ranks around 48^th place. A useful kit contains the detector, installation instructions, and an analysis with a known price before purchase.

What the sheets include

The two Gaz Radon Québec tests are priced at $74.72 taxes included. The details are written on the sheet: detector $39.99 + return and laboratory $25 + taxes. Nothing else for the reading.

• 4 days: screening.
• 91 days: exposure during normal life, to compare to 200 Bq/m³.

A device that displays a number without a laboratory does not replace this return. Installation is described in how to do the test.