Winter heating with clean energy is very important for coal substitution in rural areas of
China. In Northwestern China, winter weather is usually below zero and winter heating lasts …

Heat pumps (HPs) have gained popularity as an energy-efficient substitute for traditional
heating and cooling systems. This is due to their ability to transfer heat rather than generate …

Multi-span greenhouses consume enormous amounts of energy for heating in northern
China, resulting in poor profitability and unsustainability. A greenhouse heating system …

Vapour compression heat pump provides efficient cooling and heating through the use of
various renewable energy sources and plays a significant role in the energy conservation of …

Thermal grids will play a key role in the development of local energy communities and the
achievement of 100% renewable societies. Such systems allow excess heat produced by …

TRNSYS Software is a flexible tool for dynamic simulation of plants, interconnecting the
different components of the system represented as black boxes and called “Types”. This …

Simplified heat pump models are needed for the design of ground heat exchangers used
with ground-source heat pump systems. Design engineers commonly have only …

Dual-source heat pump unit can utilize the evaporation of the refrigerant at two different
pressures. By adopting an ejector, high-pressure refrigerant stream can be used to lift …

To address the limitations of single renewable energy applications in cold regions, a novel
photovoltaic thermal curtain wall assisted dual-source (air and ground source) heat pump …

In this paper, the impact of on-off cycling losses on the seasonal energy performances of
three reversible air-to-water heat pumps having equivalent thermal performance at full load …