Correctly executed impeller vane tipping is critical to boiler feedwater pump performance and reliability, and to avoid problems, pump buyers and users should be aware of this subtle pump quality ...

Scientists led by China’s Dongguan University of Technology have proposed a novel control approach for water-to-water heat pumps that uses carbon dioxide (CO2) as refrigerant. The model-based optimal ...

Researchers at Fraunhofer ISE have tested various types of heat pumps in existing buildings across Germany over four years, finding that the systems achieved seasonal performance factors between 2.6 ...