Commercial food warming dishes are known as Chafing dishes and are an integral part of hotel kitchen equipment. It comprises of an outer container that is filled with water and a smaller container with food that is immersed in this water and is kept warm from the burner containing fuel at the bottom. These dishes are usually used in buffet displays and banquet settings. They come in several styles and types and a variety of sizes. Full size dishes are usually come in a rectangular shape. 2/3 size chafing dishes can be round in shape or square. The half size chafing dish is the smallest type of chafing dish and is usually square or rectangular.
When it comes to the fuel used to keep the water in the chafing dish heated, there are several types that can be used. Gel fuel generally lasts through long service while wick fuel requires the use of a wick. The advantage of wick fuel is that it burns only with a wick present. There are several eco-friendly fuel options that can also provide the same amount of heating.