Remediation / Discussions

I have a part concrete and part dirt floor in basement with mildly elevated radon levels. Radon mitigator told us to use a HRV to reduce it by about 50%. Should that work? Would an ERV work and be more efficient? Any recommendations on brand, CFM? You can use an HRV or ERV to remove radon gas in basements and crawlspac...

Since the recent cold snap our double glazed windows are running with water, every morning it's all over the window sills, running down the wall - in the bathroom it's even making a puddle on the floor tiles. Now I noticed the seals at the bottom of our windows are starting to get what looks like a black mold - should ...