Results 1 to 10 of about 4,151,372 (299)

A Novel Dynamic Approach to Cost-Optimal Energy Performance Calculations of a Solar Hot Water System in an nZEB Multi-Apartment Building

open access: yesEnergies, 2022
This paper presents the methodology for conducting a cost-optimal energy performance calculation of a solar hot water system, used for space heating and domestic hot water needs.
Filip Patrčević   +3 more
doaj   +1 more source

Heating and Cooling Primary Energy Demand and CO2 Emissions: Lithuanian A+ Buildings and/in Different European Locations

open access: yesBuildings, 2022
National legal and political regulation in the field of energy efficiency is closely connected to minimizing energy consumption in buildings. Within the framework of implementing Directive 2018/844/EU on the energy performance of buildings in Europe, the
Kęstutis Valančius   +2 more
doaj   +1 more source

Replacement Scenarios of LPG Boilers with Air-to-Water Heat Pumps for a Production Manufacturing Site

open access: yesEnergies, 2023
The replacement of LPG (liquefied petroleum gas) boilers with air-to-water heat pumps on an industrial site is proposed. The boilers are used to produce hot water for the heating of two workshops and for the manufacturing process (test benches).
Alberta Carella   +2 more
doaj   +1 more source

Investigation of a High-Temperature Heat Pump for Heating Purposes

open access: yesApplied Sciences, 2023
High-temperature heat pumps consist of a promising choice for substituting conventional boilers and producing hot water with temperature levels in the range of 70–80 °C.
Evangelos Bellos   +6 more
doaj   +1 more source

Energy Efficiency of Heat Pumps Heating Systems at Subsoil Waters for South-East Regions of Europe [PDF]

open access: yesProblems of the Regional Energetics, 2020
This article is devoted to the methods for increasing the operational efficiency of the single-stage and two-stage schemes of heat pump installations for heating systems, based on the energy saving principles.
Denysova A.E.   +3 more
doaj   +1 more source

Building Thermo-Modernisation Solution Based on the Multi-Objective Optimisation Method

open access: yesEnergies, 2020
This study presents a multi-objective optimisation of building thermo-modernisation for multi-family buildings. The applied model has considered alternative solutions for insulation materials, with different thicknesses and different types of windows ...
Małgorzata Basińska   +2 more
doaj   +1 more source

Primary Energy Consumption Patterns in Selected European Countries from 1990 to 2021: A Cluster Analysis Approach

open access: yesEnergies, 2023
This study delves into the structure of primary energy consumption in European countries, utilizing data from the Eurostat database, and focuses on the years 1990 and 2021.
Piotr Kosowski   +2 more
doaj   +1 more source

Statistical Analysis of the Variability of Energy Efficiency Indicators for a Multi-Family Residential Building

open access: yesEnergies, 2022
During the building design phase, a lot of attention is paid to the thermal properties of the external envelopes. New regulations are introduced to improve energy efficiency of a building and impose a reduction of the overall heat transfer coefficient ...
Anna Życzyńska   +3 more
doaj   +1 more source

Heat Storage Combined with Biomass CHP under the National Support Policy. A Case Study of Estonia

open access: yesEnvironmental and Climate Technologies, 2020
In spite of the progressions in heat storage systems for combined heat and power’ (CHP) plants performance, these innovations have not been implemented in CHP-based district heating (DH) systems in some of the countries where DH systems are still being ...
Volkova Anna   +2 more
doaj   +1 more source

Toward an overall analytical framework for the integrated sustainability assessment of the production and supply of raw materials and primary energy carriers [PDF]

open access: yes, 2015
The sustainable production and supply of raw materials (nonenergy raw materials) and primary energy carriers (energy raw materials) is a core element of many policies. The natural resource base for their production and supply, and the access thereto, are
Blengini, Gian Andrea   +5 more
core   +2 more sources

Home - About - Disclaimer - Privacy