If in a particular district or even on a particular street there is no gas supply in this situation, many private home owners have to decide to install heat-generators solid fuel or electric boilers for heating. Sometimes to install the first option is troublesome and expensive, whereas in the second case, the cost will be low. In addition, these boilers have no source of open flame. Also they do not need to perform the installation of the chimney, as there are no combustion products. This installation consumes less Finance, as well as reduced labor costs. Heat generators of this type during operation is virtually silent and very easily managed. Many modern units efficiency up to 98%. In the heat exchanger they have is the main working element of which is ten. Also electric boilers for heating are equipped with modern power controllers and temperature sensors. These elements greatly simplify their operation.