The electrification of home heating is proposed as a low carbon solution in climate change
action plans. It is therefore important to understand the energy efficiency and capability of …

Air source heat pump (ASHP) units have found worldwide applications due to their
advantages of high energy efficient and environmental friendly. Frost deposition and …

To meet the demand of clean heating in cold regions of northern China, high efficiency and
environment-friendly low temperature air source heat pump heating system has been …

This study reviewed the defrosting techniques applicable for the heating, ventilation, air-
conditioning, and refrigeration industry, including passive, active, and system techniques …

As a common physical phenomenon, frost deposition is inevitable and always has
significant negative effects on several industry fields, such as aerospace, aviation, and …

In practice, owing to the unreasonable defrosting initiating method of air source heat pumps
(ASHPs), mal–defrost occurs frequently, further leading to the increase of building heating …

Heat pump technology fully shows the principle of energy recycling in terms of Heating,
Ventilating and Air Conditioning (HVAC). It avoids unipolarity of energy using in the …

To improve the defrosting accuracy and the energy efficiency of the air-source heat pump
(ASHP) under frosting and defrosting conditions, a novel Temperature–Humidity–Time (T–H …

Building Heat pumps transfer heat energy from low heat sources to high heat sinks for
different applications and various types of heat pumps have been developed for building …

This study reports the application results of an air source heat pump (ASHP) for heating in
Harbin, the coldest provincial capital of China. These include the heating temperatures …