Fuel cell package system

PURPOSE: A fuel cell package system is provided to heat a heat utilizing device with the heat generated from a fuel cell unit for effectively use the heat generated from the fuel cell unit. CONSTITUTION: A fuel cell package system(100) comprises the following: a fuel cell unit(110) generating electricity by the reaction of fuel and an oxidizer; a heat-storing tank(121) storing the heat generated from the fuel cell unit; a circulation pipe(140) circulating hot water through the heat-storing tank; a heat utilizing device(130) connected with the circulation pipe; a sub heat source(123) heating the hot water heated by the heat-storing tank again by connected with the circulation pipe; a hot water supplying pipe supplying the hot water to a hot water utilizing device; and a heating pipe circulating the hot water around a building.