A group of researchers from China's Beijing University of Civil Engineering and Architecture has conceived a new control strategy for variable water temperature and variable flow in PV-driven heat ...

Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

Heat pumps are emerging as an efficient solution for space heating and air conditioning, especially when used in variable refrigerant flow systems. They can match the most efficient air conditioning ...

Most homeowners (88%) surveyed for The Heat Pumps & Homeowners Index believe heat pumps are more energy efficient than conventional heating and cooling systems. SUWANEE, Ga.--(BUSINESS ...

Heat pumps are emerging as an important tool for helping to thwart climate change—not just in the South, but all over the country. They’re more energy-efficient than traditional heating and cooling ...