For over 30 years, Firmac Ltd. has led the way in the design and manufacture of high quality metal duct forming equipment and HVAC machinery manufactured and built entirely in the UK. We have customers in more than 50 countries throughout the world who rely on our machinery to produce sheet metal ductwork, which is then most commonly used in buildings to supply heating, ventilation and air conditioning (HVAC). Suchs as Duct lines, Plasma feeders, Coulissen production machines, Duct seam machnes Nu-Loc etc.