The Chinese manufacturer said its new heat pump system can continuously and stably provide hot water up to 75 C. At a temperature between 35 C and 55 C, the new product can reportedly achieve a ...

“Our new heat pumps operate down to -20 C of outdoor air ... as a refrigerant and has a seasonal coefficient of performance (SCOP) ranging from 4.44 to 4.50. Its coefficient of performance ...