In the design of the boiler there are containers that are used to store fuel. This is due to the fact that diesel boilers need a special place to accommodate a container with fuel, and this is already additional financial costs. The container must be installed so that it is convenient access to it. This type of boilers can be called the best option if gas is not carried out to the house, and it is far from communications. In addition, the device of such a boiler makes it possible to heat large rooms, as well as save on fuel.