Is a Tight Home a Sick Home?
By Phillip Beere– Is an airtight house a health hazard? Some will say yes. The EPA cites indoor air sometimes contains 2 to 5 times the pollutants compared to the outdoors, due to issues that range from moisture and mold to carbon monoxide poisoning and asthma. The source of these issues, include poor filtration, bad ventilation, homeowner behavior, and off-gassing from