Renewable energy sources play a substantial role in the production of electricity and heat in single-family homes. This paper presents experimental data on electricity generation from a photovoltaic system with a maximum output of 9.9 kW, located on the rooftop of a building in the Swietokrzyskie Province. The obtained data are compared with the simulation software results and discussed. Electricity consumption and heat generation provided by the air source heat pump are analysed. The analysis also includes the coefficient of performance, which varied significantly by season, from 2.9 in February to ca. 5.5 in June. Moreover, the heat pump supplied about 90% of the thermal energy for heating (with the remaining about 10% used to heat domestic hot water), which closely agrees with data from a previous study in a different single-family building.
Given the significant decrease in the efficiency of air-source heat pumps (ASHPs) during winter and the intermittency and instability of solar heating output, which seriously affect the system performance, this paper presents a novel solar-assisted heat pump system with dual energy storage (DES-SAHP). The system is com...
Jie Lin, Chao-Jie Ren, Ni-Ni Guo et al.· Energies· 0 citations
The paper presents an approach for assessing the feasibility of modernizing water heating systems at district heating facilities through the utilization of return district heating water as a low-grade heat source. A combined heat and power (CHP) plant was selected as the case study, where district heating make-up water...
S. Busygin, E. Krasnov· 2026 International Ural Conf...· 0 citations
This paper presents the possibilities of using air-water heat pumps for heating residential buildings. Description of the most important parts of the air-water heat pumps, as well as the basic guidelines for design and implementation, are shown in this paper. Practical example with heat pumps settings and measurements...
Krsto Batinić, Srđan Vasković, Gojko Krunić et al.· IJEEC - INTERNATIONAL JOURNA...· 0 citations
The demand for electricity in Indonesia continues to increase in line with population growth, making the utilization of renewable energy an essential solution for meeting national energy needs. Geothermal Power Plants (GPPs) represent one of the most important renewable energy sources contributing to sustainable electr...
Febrian Maulana Ihsan, Desy Hertinsyana· Journal of Multidisciplinary...· 0 citations
This paper examines the optimisation of control for a building heating and cooling system integrated with solar energy and a heat pump under the climatic conditions of Fergana Region. Solar irradiance G(t), outdoor air temperature T_a (t) and wind speed v_w (t) were included directly in the model as external disturbanc...
B. Boynazarov, M. O. Boboeva· International Journal of Adv...· 0 citations
The sun is an inexhaustible source of clean energy. For a long time, humans perceived the sun as a source of heat and light, without thinking of using it fully for their purposes. The worldwide solar photovoltaic (PV) market has been growing rapidly, with significant investments leading to increased capacity. Mathemati...
Mays N. Shaeli, Jalal M. Jalil, Mounir Baccar· Al-Nahrain Journal for Engin...· 0 citations
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