Ontario is the only territory in Canada where the home builders' service warranty on brand-new homes consists of radon remediation protection. The warranty covers remediation to decrease radon levels if radon gas in your home remains in extra of 200 becquerels per cubic metre as well as protection lasts for as much as seven years.
Does opening windows https://radon1.com/what-are-the-symptoms-of-radon-poisoning/ reduce radon?
Opening windows improves air circulation and ventilation, helping move radon out of the house and mixing radon-free outside air with indoor air. Opening basement windows helps reduce negative air pressure, diluting radon with clean outdoor air.