Slender Fit is aware that the increase of carbon dioxide emissions and their contribution to the “greenhouse effect” and global environment is of major concern. Increasing emphasis and effort is being placed on the reduction of these harmful emissions. The energy saved when Slender Fit Double Glazed Units are installed in the average house with single glazed sash windows will result in a reduction of carbon dioxide (C02) emissions of approximately ¼ tonne per season (October – March) (Energy Technology Support Group) (Emissions, Domestic Housing 27% = 63 million tonnes).