SUMAC carried out an energy audit to identify potential savings and measures to improve the energy performance of the plant, prioritized according to the cost-benefit ratio.Hierromas manufactures iron doors and gates in the city of Buenos Aires. Example of the recommended measures is the updating of the compressed air lines, sealing the opening of the paint furnace, eliminating blowing of compressed air for cleaning the plant, replacing pneumatic tools with electric ones and replacing the LED lighting.