Currently, solar energy has been used widely useful because the Thai nation, located in nearby Equatorial or tropical bar. The average solar energy value kWh/m2 approximately 5.05, so that solar energy will be used in various aspects. This research study on performance of solar hot water systems, solar 2 m 2 sized flat schemas. Using a water pump size 0.20 kW and solar hot water systems with heat pumps, size 3.04 kW important parameters used in the study include the initial water temperature hot water temperature, in external air temperature, tank, electric current, voltage, temperature, light intensity, running into the Sun.Solar panels are designed to test the information from 09.00-16.00 hrs, and then bring that information to calculate the coefficient of heat pump performance and the performance of the solar panel receives from an analysis found that heat pumps are systems performance coefficients with values in the range 4.2-5.5. Best performance of solar energy systems in the range 43.8-52.6% in energy consumption analysis in both years. When the initial water temperature 30 C To be used instead of the original system of abattoir used a 30 kW electric heat hot water production at 62° C, used in air transport and scalded pig-sized spinning showerhead water volume 3 section 2.4 m that it costs each month approximately 12000 – 18000 THB production technologies will be considered from the hot water.Appropriate technology and economics of valuation studies can choose an appropriate system for hot water production and reduce consumption of electrical energy to produce hot water production system is a solar hot water. The payment per month for about 200-300 baht and the hot water system with a heat pump with electric charge expenditure per month for about 400 – 500 baht.
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