ATMOS radon resources

Radon answers for Calgary homeowners.

Straightforward guidance based on the questions homeowners ask before testing, after a high reading, and while considering mitigation options.

All resources
Costs and estimates

How Much Does Radon Mitigation Cost in Calgary?

Radon mitigation in Calgary typically starts at $2,350 plus GST with a usable rough-in or about $2,500 plus GST when a new suction point is needed. Learn what is included and what can affect the cost.

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High readings

My Radon Level Is High—What Should I Do Next?

A high radon reading can be worrying, but it is fixable. Learn how to check your test, understand the result, and decide what to do next.

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Mitigation systems

How Does a Radon Mitigation System Work?

Learn how a radon mitigation system removes soil gas from beneath a Calgary home, how the system is designed and installed, and what homeowners can expect afterward.

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Testing guide

Radon Testing in Calgary: A Homeowner’s Guide

Learn how to test your Calgary home for radon, where to place the device, how long to test, and how to choose a reliable monitor or professional testing service.

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New homes

Do New Homes in Calgary Still Need Radon Testing?

New Calgary homes can still have high radon. Learn what a builder rough-in does, why it may not reduce radon, and when a new home should be tested.

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Expected results

What Results Can You Expect From Radon Mitigation?

See real ATMOS radon mitigation results and learn how quickly levels fall, why results vary, and how the below-75 Bq/m³ guarantee works.

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Choosing a contractor

How to Choose a Radon Mitigation Company in Calgary

Learn how to compare Calgary radon contractors by certification, diagnostics, materials, scope, warranties, guarantees, and workmanship.

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