The air source heat pump (ASHP) systems assisted by solar energy have drawn great
attentions, owing to their great feasibility in buildings for space heating/cooling and hot water …

Vapor compression air source heat pump (VCASHP) system has been widely applied due to
its simple structure and low initial cost. However, there are a series of problems when the …

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 …

Air source heat pumps are an excellent electric alternative to fossil fuel based heating
systems for reducing residential greenhouse gas emissions, but common mild climate …

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 …

The amount of low-temperature heat generated in industrial processes is high, but recycling
is limited due to low grade and low recycling efficiency, which is one of the reasons for low …

Heating electrification is a trend for the current carbon neutrality setting. The air-source heat
pump (ASHP) has been widely used in residential or commercial buildings to replace …

The quasi-two stage compression air source heat pump (QTASHP) is still restricted in use in
severe cold region due to the excessive discharge temperature caused by ultra-low ambient …

Refrigerant injection (RI) technique has been extensively used in heat pump systems to
reduce the exhaust temperature and raise the heating capacity. Recently, there have been …

The construction energy consumption (EC) makes up around 35% of the total energy used.
Half of this energy is used for air-conditioning to cool spaces. The effectiveness of cooling …