Özet:

Turkey has significant potential in terms of geothermal energy from renewable energy sources, given its geopolitical and geographical position. In this study, design of the system was carried out by drawing installation application projects for a Thermal Hotel located in Ilıca neighborhood of Fatsa district in Ordu province, in order to meet the hot water demand from showers using a geothermal heat pump. The primary objective of our study is to provide hot water for domestic use by selecting a suitable heat pump for a geothermal source with low temperature and flow rate. Due to the low flow rate of the geothermal source water in the selected facility, it was determined that the geothermal source cannot be directly used in the heat pump. Therefore, it was ensured that the pool water, which is used during the day in the thermal pools, is drained and stored outside the usage hours, aiming to utilize the waste water heat. In addition, an application project was prepared for meeting the hot water demand of the geothermal facility through a geothermal wastewater heat pump, and the current initial investment cost, energy consumption expenses, and project payback periods were evaluated economically by comparing them with other energy sources. It was observed that the heat pump has a 59% advantage compared to conventional fuel-oil heating in terms of fuel consumption. However, in terms of initial investment cost, it is higher compared to calculations made for conventional systems. When both fuel and energy costs are taken into account, it is estimated that the payback period will be approximately 4.69 years, and the high initial investment cost will become advantageous when combined with fuel costs.

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