Diesel boilers have a high level of efficiency, and therefore, with its help you can effectively heat large country houses and cottages. These boilers are one of the most economical boilers, since the cost of diesel fuel is lower than electricity. In addition, in order to use a diesel boiler, you do not need to get many permits that are mandatory when using a gas boiler. You just need to study the design of the device of this type of heating boiler.