ABSTRACT
In designing energy-saving heating systems, it is important to have the exact values of heating loads and seasonal heating demands of buildings. The existing methods for determining these values are not accurate enough, because they do not take into account important factors such as the impact of solar radiation on the surfaces of south walls and roofs, the significant difference between daytime and nighttime outside temperatures, as well as daytime and nighttime temperatures’ durations in the heating season. Apart from the stated disadvantages, the existing methods do not take into consideration the fact that each building has its own heating season duration.The mentioned imperfections do not allow finding out the correct values of the heating demands of buildings, which may become the primary cause of wrong designs of heat supply systems.In this entry, new and improved methods are presented for the correct determination of heating loads of buildings.
