What is radon?
Where it comes from, how it gets into your house, and why Health Canada (opens in a new tab) calls it the number one cause of lung cancer in people who don't smoke.
Radon, explained in short guides
Radon is a radioactive gas that comes from uranium breaking down in soil and rock. You can't see it, smell it or taste it, so the only way to know how much is in your home is to test. If you already have a number, see what it means.
What is radon, and why does it matter?
What is radon?
Which radon test should you use?
Short or long radon test: which one do you need?
A long-term test runs at least 91 days. Here's when each kind fits.
Where to get a radon test kit in Windsor-Essex
Where to buy a long-term kit, and the digital monitor Essex County Library lends. (source) (opens in a new tab)
Got your number back?
What is a safe radon level?
What your number means next to Health Canada (opens in a new tab)'s guideline of 200 Bq/m³.
Is your number above 200? My result is high covers what to do next. (source) (opens in a new tab)
Do sealing cracks or an HRV lower radon?
Does sealing cracks stop radon?
What sealing can and can't do, and how to check what worked.
Can an HRV lower your radon?
How an HRV affects radon, and what to check on yours.
Renting out a basement unit, or living in one?
Radon in basement apartments and rentals
For tenants, and for owners renting out a house or a basement unit.
Where to find local numbers and prices
For test results from homes in Windsor and Essex County, with their sources, see Radon in Windsor-Essex. For what a test or a system costs, see Prices. Short, one-line answers are on the questions page.
Book a test or ask for a quote
Ready to find your own number? See your testing options.
Book a test or ask for a quote
Or call 519-991-8180
Monday to Friday, 9am to 5pm. Saturday by appointment.