Autors: Dimchev, I. N., Terziev, A. K., Ivanov, M. P., Vassilev, M. P.
Title: Seasonal Coefficient of Performance of Air-to-Air Heat Pumps Influence on the Energy Performance of Multifamily Residential Buildings in Bulgaria
Keywords: air-to-air heat pumps, energy efficiency, energy performance of buildings, mono-split air-conditioners, nearly-zero energy building, nZEB, SCOP, seasonal coefficient of performance

Abstract: One of the most used ways to achieve nearly-zero energy buildings (nZEB) in relation to Bulgarian legislation is by the use of air-to-air heat pumps for heating. Specifically for residential and light commercial applications, split type air-to-air heat pumps are widely used. In this regard, this study aims to find how the difference between Seasonal Coefficient of Performance (SCOP) declared by the manufacturer and SCOP recalculated based on the local climate data affects the energy consumption of the buildings. The calculations were made for multifamily residential buildings with different geometry and area for all 9 climatic zones in Bulgaria. The results show that mono-split air-to-air heat pumps used for heating, can actually provide only from 17.9 to 44.9% of the required energy, which is considered as renewable, as the recalculated SCOP can be up to 25.6% lower than declared. An incensement in SCOP with 12.5% can lead to an incensement in the share of renewable energy with about 2%.

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Issue

CIEES 2024 - IEEE International Conference on Communications, Information, Electronic and Energy Systems, 2024, , https://doi.org/10.1109/CIEES62939.2024.10811328

Цитирания (Citation/s):
1. Ali M.F., Perticaroli F., Marra L., Pepe C., Zanoli S.M., Impact of Buffer Sizing on Heat Pump Performances for Residential Applications, 2025, Proceedings of the 2025 26th International Carpathian Control Conference Iccc 2025, issue 0, DOI 10.1109/ICCC65605.2025.11022836 - 2025 - в издания, индексирани в Scopus
2. Zlateva M., Totev T., Analysis of the possibilities of using renewable sources to achieve nearly zero-energy consumption in residential buildings, 2025, E3s Web of Conferences, issue 0, vol. 638, DOI 10.1051/e3sconf/202563801009, issn 25550403, eissn 22671242 - 2025 - в издания, индексирани в Scopus
3. Zlateva P., Tashkov L., Experimental Determination of the Thermal Properties of Unfired Clay Bricks with Rice Husk Additives, 2025, 2025 6th International Conference on Communications Information Electronic and Energy Systems Ciees 2025 Conference Proceedings, issue 0, DOI 10.1109/CIEES66347.2025.11300014 - 2026 - в издания, индексирани в Scopus

Вид: публикация в международен форум, публикация в реферирано издание, индексирана в Scopus