Unhealthy air tight buildings and how to cope with living in them

The desire to save energy and emissions as cheaply as possible has led to homes being very highly insulated and being built to “high” standards of air tightness. In the United Kingdom air tightness is a critical component of “SAP” the standard assessment procedure with which new homes must comply. Air tightness of the inner building skin is supposed to be critical but should we have high standards of air tightness at all? Continue reading