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Radon In Ottawa

Radon is big news due to the dangerous effects of having it in your home. Radon is hazardous, especially at high levels, and a known carcinogen. You may have read that radon gas problems are spread throughout Canada but tend to be more concentrated in some geographical regions.

So, does Ottawa have a radon gas problem or not? And if so, what areas is it found? Read on to learn more or reach out to our Ottawa radon experts today!

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What Radon Levels in Ottawa are Dangerous?

The higher the concentration, the more dangerous radon is.  Health Canada rates the following 3 levels according to their degree of danger and the urgency of taking action.

  • Less than 200 Bq/m3: acceptable level, no follow-up action necessary
  • 200 to 600 Bq/m3: moderately dangerous, action required within the next 2 years
  • 600 Bq/m3 or above: hazardous, mitigation required within the next years

The global average for recommended mitigation is above 100 bq/m3 and the Canadian average is above 200 bq/m3

NOTE: even though the Canadian recommendation is 200 bq/m3 there is still no safe level of Radon.

NOTE: Bq/m3 stands for becquerels per cubic metre, the typical Canadian measurement for describing radon levels.

Radon in Ottawa map

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Is Radon A Problem In Ottawa?

Yes, radon is definitely a problem in Ottawa and the National Capital Region, as it is across the country. As a naturally mineral-rich land,  Canada has the largest reserves of uranium anywhere on the planet. As this uranium decays (breaks down), it produces radon gas. Although the air will dilute radon gas to harmless levels outdoors, this gas will concentrate inside your home, most frequently in enclosed places on the lowest floor.

What Areas In Ottawa Have High Levels Of Radon?

Some areas of Ottawa tend to have a higher incidence of dangerous radon gas levels, including:
  • Kanata
  • Stittsville
  • Bells Corners
  • Carleton Place
  • Barrhaven
  • Centrepointe
  • Bel Air Heights
  • The Glebe

Are Some Types Of Homes More Exposed To Radon?

The type, style or even the dollar value of your home will not make it more or less vulnerable to radon. Funnily enough, two similar houses on the same block in Ottawa each could have very different radon levels.

How does your home get exposed to radon:

  • The presence of uranium in the rock and soil under your foundation PLUS
  • Openings that allow radon gas inside, such as a sump pit, foundation or basement cracks, an unfinished crawl space, construction joints, plumbing openings, and the like.

Should I Buy A Home That Has Radon?

Imagine you’ve found your dream home in Ottawa. It offers the features you most want… and then you find out it has radon. Should you buy the house, radon and all, or just walk away?


Don’t give up on your dream. First of all, find out what it means that the house for sale “has radon”? Have the sellers had it professionally radon tested, with either a long term radon testing or short term radon test? If so, how high were the results?

Second, bear in mind that even dangerous amounts of radon in a home can be effectively reduced with expert mitigation. Active Soil Depressurization (ASD) is a non-invasive, reasonably priced radon mitigation system that will make your home secure and healthy.


Expert Ottawa Radon Testing & Mitigation

Whether in your current home or a house you’d love to buy in the Ottawa area, have radon testing and mitigation done by the best! Out Of This World offers radon tests and removal by professional technicians certified by the Canadian-National Radon Proficiency Program.

For a safer home, contact us today!

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Radon Testing Pricing

Radon can be tested with a digital short-term general test or a long-term test with lab analysis, for a more accurate reading. If the results from a test reveal that radon levels are potentially unsafe, we will provide a free consultation on mitigation options with a certified professional. Should you proceed with the installation of a system, the cost of the test will be discounted off the work.

If already doing plumbing work, testing is offered at an add-on rate of $99.00.

7-Day Short Term Digital Test


+$250 deposit
Refunded upon safe return of device

Includes set-up, pick-up & consultation

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3-Month Long Term Lab Test


No deposit

Includes set up, pick-up, lab analysis & consultation

Book 3 Month Test

Why Choose Out of This World Plumbing?

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    Every single one of our technicians is licensed to work in your home, plumber and apprentice alike.
    Predictable Pricing
    We use flat prices, not hourly rates. This means you will be informed of the full cost before the work begins.