Introduction
Kilns are an essential part of art and craft production. Without access to kilns, the ability to create the pieces of pottery, glass and ceramics necessary for these mediums would be difficult at best. Understanding the three different types of kilns to determine which type is the best for your production needs is essential. In this article we will discuss the differences between Electric Kilns, Gas Kilns and Downdraft Kilns and how they work.
Electric Kilns
Electric kilns can be used to fire clay and other ceramic materials such as porcelain, stoneware and earthenware up to temperatures of 2,500 F. The kilns themselves are typically made of rigid, insulating ceramic fiber board, and are heated by electrical elements. This type of kiln is popular due to its portability, energy efficiency and its versatility — with the ability to fire a variety of items. However, the main drawback to electric kilns is the long firing time; it can take a long time for the items inside to reach their desired temperature.
Gas Kilns
Gas kilns are fueled by either natural gas or propane, and are generally used to fire stoneware, porcelain and earthenware up to a temperature of 2,500 F. This type of kiln is great for firing multiple pieces or large projects quickly, using the powerful and consistent heat provided by fuel combustion. Furthermore, gas kilns generate few noxious gases and their operation is much quieter than electric kilns. They are easily adjustable and can be installed in any space.
Downdraft Kilns
Downdraft kilns fire clay and other ceramic materials to temperatures of 3,000 F. Unlike electric and gas kilns, downdraft kilns are fired by burning wood, coal and other combustible materials. These kilns are reliable and popular due to the fact that they are very energy efficient, usually only consuming half the energy of electric or gas kilns and they operate with minimal soot, smoke and ash.
Conclusion
Electric, gas and downdraft kilns all provide valuable services to artists and craftspeople. Each type of kiln provides its own unique benefits, and the choice of which type of kiln is best for you will depend on many factors, such as the type of project you are producing, the size of your studio and budget. By understanding the different types of kilns and their respective pros and cons, you will be able to find a kiln that best fits your needs.
