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The aim of the study is a comparative analysis of heating costs of heat pumps and biomass-fired boilers. The study was carried out in the communes of Ruda-Huta (Chełm County) and Dębowa Kłoda (Parczewski County). The subject of the study were school complexes in which the heating system was changed from heating oil to ground heat pumps and a boiler house, working on fine coal, replaced by a biomass-fired...
The goal of the conducted research was to assess the economic profitability of investment in a photovoltaic power plant located in south-east Poland, taking into consideration the whole invested capital, regardless of its origin. To determine such profitability, the NPV (Net Present Value) was used as well as the DPBT (Dynamic [Discounted] Pay Back Time). Empirical data was obtained from Energia Dolina...
The purpose of the conducted research was to assess the economic efficiency of the application of heat pumps in heating. The research was carried out in the Ruda-Huta Commune (Chełm County, Lublin Province). The research was conducted at the School Complex, where, in 2012, the heating system was changed from a system powered by fuel oil to a system of ground heat pumps. Due to the very low level of...
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