About 15 years ago, Iowa builder Hubbell Homes began including passive radon mitigation systems in houses being built.
High radon results done 10 days before closing left some buyers less than thrilled.
“This isn’t required by [Iowa] code. Again, this is something that we just felt was the right thing to do for the home-buying experience and the long-term health of our customers at the end of the day,” Flint said.
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