European Efficiency Schemes for Domestic Gas Boilers: Estimation of Savings in Heating of Settlements

Dataset description obtains the original TIFF/PNG data from original research within the project ZEUS. Precisely, there is 12 Figures and 3 Tables below: Figure 1. Diagram of efficiency dependence on boiler load for three different types of boilers Figure 2. Algorithmic calculation of seasonal efficiency Figure 3. Savings of natural gas Figure 4. Annual savings by replacing the least efficient boiler with a more efficient one in EUR Figure 5. Classification of boilers-(a) Vaillant Figure 5. Classification of boilers-(b) Ferroli Figure 5. Classification of boilers-(c) Viessmann Figure 5. Classification of boilers-(d) Wolf Figure 5. Classification of boilers-(e) Fonderie Sime Figure A1. Dew point of water vapor as a function of CO2 content in the combustion products Figure A2. Diagram for determining the average efficiency rate according to DIN 4702-8 Figure A3. Diagram of boiler operation depending on external temperature (for heating system 75-60 Celsia) Table 1. Required efficiency of boilers according to Directive 92-42-EEC Table 2. Comparisons between seasonal efficiency of gas boilers and ErP requirements Table 3. Energy efficiency class symbols Funding: This work has been supported by the Ministry of Science, Technological Development and Innovation of the Republic of Serbia grant number: 451-03-136/2025-03/200102, by EU funds under the project “Increasing the resilience of power grids in the context of decarbonisation, decentralisation and sustainable socioeconomic development”, CZ.02.01.01/00/23 021/0008759, through the Operational Programme Johannes Amos Comenius and the Ministry of Education, Youth, and Sports of the Czech Republic through the e-INFRA CZ (ID:90254).