The history of tea kettles goes as far back as 3500 BC when people living in Mesopotamia used kettles made from bronze to heat water. The ancient Chinese travelers and soldiers used kettles to boil water, mix water with green tea leaves to give it a flavor. Cowboys used tea kettles to make coffee. The design, material, size of tea kettles have changed over a period of time, and innovation has made the best tea kettles user-friendly, effective thus an essential kitchen appliance to have.