F. Alajmi, Amer Alajmi, Ahmed Alrashidi, Naser Alrashidi
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COMPARATIVE STUDY BETWEEN GEOTHERMAL AND SOLAR HVAC SYSTEMS
Many applications depend mainly on heat energy, such as solar and geothermal heat pumps. There is a high increase in the use of applications that depend on renewable energy. The main objective of this project is to study the heating systems and geothermal heat pumps. This study also investigated solar heat pumps and the geothermal efficiency to optimize its strategic plan. A performance factor (COP) was used to assess the efficiency of both geothermal and solar systems. To apply the methodology, a case study was used. The results in the thermal energy system are that solar energy is better and more cost-effective in terms of capital. The revenues for the solar system after 25 years were higher than the revenues for the geothermal system. Furthermore, solar power has a shorter payback time making it superior for a similar life span, so it was clear that the expenditure on solar power was safer than the expenditure on geothermal power.
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