PROBLEM TO BE SOLVED: To provide a building maintenance management system for determining necessity of repair of respective parts of a building from accumulation of a radiation amount of sunlight radiated to the building.;SOLUTION: An HEMS 30 calculates the radiation amount of sunlight per unit time from a power generation amount of a solar battery panel 20, and calculates the accumulation of the radiation amount of the sunlight after the start of power generation by the solar battery panel 20 on the basis of the radiation amount of the sunlight per unit time. Also, the HEMS 30 stores durability information for each member, for which a cumulative sunlight radiation amount allowed for each of two or more kinds of members is recorded, and maintenance management history information for which a history of repair and maintenance for each part of a building 10 is recorded for each member, refers to the accumulation of the radiation amount of the sunlight after the start of the power generation by the solar battery panel 20, the durability information for each member and the maintenance management history information, specifies the part of the building 10 in need of the repair or the maintenance, and calculates the time to need the repair or the maintenance for each part of the building 10.;COPYRIGHT: (C)2013,JPO&INPIT
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