Moved into new (to us, built in 1980) house 2 years ago. Installed an Airthings radon meter a year ago. Levels get up to 400 Bq/m3 when all the windows are closed. Finally had a radon mitigation system installed. Will hopefully get to much safer level below 100 Bq/m3.

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[–] 4 points 2 weeks ago (2 children)

I figured. Pretty sure Canada allows direct venting as well rather than piping to the roof eave.

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