A Review of Heat Pump Systems and Applications in Cold Climates: Evidence from Lithuania

Valancius, Rokas; Singh, Rao Martand; Jurelionis, Andrius; Vaiciunas, Juozas

doi:10.3390/en12224331

Cited by 38 publications

(24 citation statements)

References 35 publications

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“…However, due to the implementation of support programs, grants, credit subsidies etc., an increase in the use of heat pumps can be observed also in Poland recently. A review of heat pump systems in many different climatic regions (including cold climates) was presented in [6][7][8], while the coefficient of performance of a heating and cooling system with heat pumps was determined in [9].…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Advisability of Using an Air-Source Heat Pump in a Single Family House in Poland and Spain

Witkowska

Krawczyk

2020

The 9th Innovations-Sustainability-Modernity-Openness Conference (ISMO’20)

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In recent years, modern and energy-saving solutions, such as heat pumps or solar collectors, have enjoyed great popularity in the heating and cooling sector, which is conditioned by political and environmental factors. The aim of this paper was to analyze the advisability of the employment of renewable energy sources, such as a heat pump, for heating and cooling in single-family buildings in Poland and Spain. Based on the calculations made for a traditional house, located in two cities with different climatic conditions—Wroclaw and Cordoba, the heat losses and gains were determined. On that basis, the heating and cooling demand for these locations were calculated and next—taking into account the obtained results—reversible air–water heat pumps were selected. In addition, the investment expenditures for purchase and assembly of the heat pumps were estimated, as well as the operating costs of the installation. After a deep analysis, it was found that the total cost of using an air-source heat pump, is almost 44% lower for Cordoba, than for Wroclaw.

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Section: Introductionmentioning

confidence: 99%

Analysis of the Advisability of Using an Air-Source Heat Pump in a Single Family House in Poland and Spain

Witkowska

Krawczyk

2020

The 9th Innovations-Sustainability-Modernity-Openness Conference (ISMO’20)

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“…The heating season in Lithuania starts when the outdoor temperatures, after three consecutive days, are below +10 • C. Nowadays, the heating season lasts from October until April [136]. Meanwhile, heat demand for domestic heating is almost 1.8 times higher in Lithuania in comparison to other EU countries with comparable weather conditions [137]. According to data in 2017, DH satisfied about 56% of heat demand in the residential sector [138].…”

Section: Lithuaniamentioning

confidence: 99%

Smart Asset Management for District Heating Systems in the Baltic Sea Region

et al. 2021

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The purpose of this review is to provide insight and a comparison of the current status of district heating (DH) systems for selected Baltic Sea countries (Denmark, Germany, Finland, Latvia, Lithuania, Poland, and Sweden), especially from viewpoints of application and solutions of novel smart asset management (SAM) approaches. Furthermore, this paper considers European projects ongoing from 2016, involving participants from the Baltic Sea Region, concerning various aspects of DH systems. The review presents the energy sources with particular attention to renewable energy sources (RES), district heating generations, and the exploitation problems of DH systems. The essential point is a comparison of traditional maintenance systems versus SAM solutions for optimal design, operating conditions, and controlling of the DH networks. The main conclusions regarding DH systems in Baltic Sea countries are commitment towards a transition to 4th generation DH, raising the quality and efficiency of heat supply systems, and simultaneously minimizing the costs. The overall trends show that applied technologies aim to increase the share of renewable energy sources and reduce greenhouse gas emissions. Furthermore, examples presented in this review underline the importance of the implementation of a smart asset management concept to modern DH systems.

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“…In 2016 it is estimated that over half a million of heat pumps were installed in Sweden. The lack of a regulatory framework for the operation of geothermal heat pumps at European level results in research initiatives, with the aim to draft and develop the required technical standardization [30].…”

Section: Sustainable Energy Systems For the Built Environmentmentioning

confidence: 99%

Research Challenges and Advancements in the field of Sustainable Energy Technologies in the Built Environment

et al. 2020

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Inevitably, the 21st century has initiated a series of developments in the construction industry, leading to its digitalization and resulting in a series of innovative approaches and practices. At the same time, the construction industry, being one of the main global environment polluters, should fulfil well-established, as well as novel, sustainability requirements in order to evolve in harmony with the rising concerns on the availability of natural resources. This overview study aims to present the main developments, research, and scientific challenges in the field of sustainable construction, emphasizing the field of energy. The study aims to present a state-of-the-art scientific discussion on the sustainable built environment topic by analyzing cutting edge topics in the fields of building elements and whole building energy assessment, of indoor air quality and low carbon buildings, as well as on sustainable energy systems and smart buildings. The study also presents the state-of-the-art in existing tools which are adopted for the assessment of the sustainable built environment, including the use of digital tools and building information modelling for the energy assessment of the built environment, as well as the application of Life Cycle Assessment on building-related processes. Cross cutting issues related to the analysis of the building sector in the Industry 4.0 era, such as sustainability management topics and environmental geomatics are also discussed. The study concludes in those fields which will be of interest of the scientific community in the following years, towards achieving the goals of the sustainable development of the building sector.

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A Review of Heat Pump Systems and Applications in Cold Climates: Evidence from Lithuania

Cited by 38 publications

References 35 publications

Analysis of the Advisability of Using an Air-Source Heat Pump in a Single Family House in Poland and Spain

Analysis of the Advisability of Using an Air-Source Heat Pump in a Single Family House in Poland and Spain

Smart Asset Management for District Heating Systems in the Baltic Sea Region

Research Challenges and Advancements in the field of Sustainable Energy Technologies in the Built Environment

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