Gaz Radon
91-day radon detector — Health Canada method
91-day measurement, for a reliable average.
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Recommended by Health Canada. Long-term radon test — 91 days, analysed in Canada.
Plus applicable taxes.
- Detector placed for 91 days
- Shipping across Canada, with tracking
- Prepaid return
- Professional analysis in Canada
- PDF report
- Instructions and video
- Help from a C-NRPP certified professional
No subscription. No extra analysis fee.
How it works
- 1
Receive and place it
Open the tube lid, take out the sheet, and remove the cap or the tab. Place the detector in a regularly used room, on the lowest lived-in level, 0.8 to 2 m above the floor. Placement video.
- 2
Leave it for 91 days
No plug-in. The 91 days are the time in the house.
- 3
Send it back at no charge
Three steps. On the portal (also radonsgas.ca), enter the order number and the checkout email. Two clicks confirm the pickup date. Leave the prepaid envelope in the mailbox or on the porch, the same day. A confirmation after 4 p.m. is the next day. No need to drop the parcel at a drop-off point, or to book the pickup with a carrier’s customer service.
- 4
Get the report
The detector reaches the laboratory within 48 hours. The PDF report then follows within 2 business days after that receipt, by email (subject: “Your radon analysis report is available”) and on the portal, Report tab. The PDF is in both places. It gives the average concentration in Bq/m³.
Support
This is more than a detector. Questions about placement, the measurement or the reading go through chat: a C-NRPP (PNCR-C) certified professional, not a robot. No extra fee.
Frequently asked questions
When should I start?
The heating season is the preferred time.
Where do I place it?
In a regularly used room, on the lowest lived-in level, 0.8 to 2 m above the floor.
Can I place it myself?
Yes. The sheet and the video are enough.
When do the results arrive?
The 91 days are the time in the house. The detector reaches the laboratory within 48 hours, then the report is sent within 2 business days after that receipt. Weekends and holidays do not count in those 2 days. Shipping is in addition to the 91 days.
How do I send it back?
Three steps: the portal (order number and checkout email), two clicks for the date, then the envelope in the mailbox or on the porch. The same day; after 4 p.m., the next day.
What if the result is high?
Health Canada recommends corrective action above 200 Bq/m³. A C-NRPP certified professional explains the options.
Can I order more than one detector?
Yes. Each one is analysed.
What about a shorter measurement?
A 4-day short-term measurement gives a first assessment. The 91-day test remains the reference for annual exposure.
Scientific information
- Reference method for a representative assessment.
- Radon changes with the seasons, the weather, ventilation and the building.
- Health Canada: 3 to 12 months, ideally at least 91 days, preferably in the heating season.
- Used for screening, prevention and a decision about work.
- The guideline is based on the annual average.
- Source: Health Canada, Guide for radon measurements in homes.
The GAZRADON report is an official analysis report, prepared in Canada by C-NRPP certified professionals. The PDF is emailed and posted on the portal.
Gaz RadonCertified measurement. A clear report. Across Canada.
