Enhancing partial load efficiency of air source heat pump heating systems: A comprehensive review of magnitude, influencing factors, and improvement strategies
Air source heat pumps (ASHP) are considered worldwide as an effective alternative to
heating with fossil fuels. With the improvement of heating performance under low …
heating with fossil fuels. With the improvement of heating performance under low …
Seasonal performance evaluation of electric air-to-water heat pump systems
A numerical model for the calculation of the seasonal performance of different kinds of
electric air-to-water heat pumps is presented. The model is based on the procedure …
electric air-to-water heat pumps is presented. The model is based on the procedure …
[HTML][HTML] Absorption and compression heat pump systems for space heating and DHW in European buildings: Energy, environmental and economic analysis
The selection of the proper device for space heating and domestic hot water for a building is
crucial to achieve good energy and economic performances. For a single-family house, the …
crucial to achieve good energy and economic performances. For a single-family house, the …
On-off cycling model featured with pattern recognition of air-to-water heat pumps
The air-to-water heat pump (AWHP) works frequently under partial load and suffers frequent
on–off cycles in practical application. The concomitant efficiency degradation can be up to …
on–off cycles in practical application. The concomitant efficiency degradation can be up to …
Techno-economic evaluation of a frost-free air source heat pump water heater
Z Wang, G Li, F Wang, K Li, Y Lou - Sustainable Cities and Society, 2020 - Elsevier
In order to improve the performance of air source heat pumps (AHSPs) when it is operated in
winter, a novel frost-free ASHP system has been developed and the thermodynamic …
winter, a novel frost-free ASHP system has been developed and the thermodynamic …
Impact of water volume on the energy saving potential of air source heat pump systems
Among the factors that affect the energy efficiency of the air source heat pump system, water
volume influences efficiency by determining the unit's ON single bondOFF time under partial …
volume influences efficiency by determining the unit's ON single bondOFF time under partial …
[HTML][HTML] Optimal operating strategy of hybrid heat pump− boiler systems with photovoltaics and battery storage
F Nicoletti, G Ramundo, N Arcuri - Energy Conversion and Management, 2025 - Elsevier
The growing need to reduce energy consumption and greenhouse gas emissions is driving
the search for more efficient heating solutions in buildings. Hybrid heating systems, which …
the search for more efficient heating solutions in buildings. Hybrid heating systems, which …
Simulation-based optimization of heating and cooling seasonal performances of an air-to-air heat pump considering operating and design parameters using genetic …
In this study, a novel simulation model is developed to optimize the seasonal coefficient of
performance (SCOP) and seasonal energy efficiency ratio (SEER) of air-to-air heat pumps …
performance (SCOP) and seasonal energy efficiency ratio (SEER) of air-to-air heat pumps …
Climate influence on seasonal performances of air-to-water heat pumps for heating
A mathematical model for the evaluation of the seasonal performances of electric air-to-
water heat pumps for heating is used to analyze the efficiency of on-off heat pumps, multi …
water heat pumps for heating is used to analyze the efficiency of on-off heat pumps, multi …
Designing and Optimizing Heat Storage of a Solar‐Assisted Ground Source Heat Pump System in China
Y Gao, Z Sun, X Lin, C Wang, Z Sun… - International Journal of …, 2020 - Wiley Online Library
The cold accumulation problem can lead to performance degradation of heat pumps. This
paper presents the design and optimization of a solar‐assisted storage system to solve this …
paper presents the design and optimization of a solar‐assisted storage system to solve this …