People install this G. I. Duct in premises for heating, ventilation and air conditioning applications to deliver and remove hot air. The provided system maintain indoor air quality and thermal comfort. This duck provides protection from energy losses and condensation. At the same time, this duct plays a vital role in controlling noise by reducing breakout noise. It is manufactured with the use of galvanized iron and innovative techniques by adroit professionals. The provided duct is installed in shopping malls, offices, colleges, schools, hospitals and industries. This G. I. Duct allows continuous cleaning, humidification or dehumidification and cooling of the air.