Benefiting of the advantages of low CO 2 emission and high energy performance, indirect
expansion solar assisted heat pump system (IDESHP) is one of the most promising and …

As a low GWP alternative refrigerant to R134a, the direct use of R1234ze (E) in water source
heat pumps leads to significant performance degradation. Vapor injection combined with …

The current demand-based defrosting initiation strategies of air source heat pumps (ASHPs)
faces difficulty in achieving a balance between cost and robustness. Therefore, an efficient …

Heat pump becomes attractive for recirculated hot water heating in cold regions, whereas
conventional configurations face difficulties in operation at low ambient temperatures. A …

The utilisation of air-source heat pumps (ASHPs) for heating is a pivotal technology for
enhancing the environmental friendliness of building heating and striving towards carbon …

The use of air source heat pumps (ASHP) in the specific context of existing multi-family
buildings (MFB) represents an important challenge, especially in terms of performance and …

Air source heat pump is widely used for heating as it has high efficiency and environmentally
friendly advantages, but there is frosting issue in low temperature and high humidity …

Air source heat pump (ASHP) is one of renewable energy technologies, and has been
widely used for space heating. In practice applications, the setting value of its supply water …

The laboratory performance evaluations of variable speed air source heat pumps typically
adhere to standard steady-state test methods, which neglect the dynamic characteristics …

Reliable and comprehensive choice of a suitable domestic heat pump for a common
dwelling house is discussed in the paper. The application of common and freely available …