The heat exchangers can raise the evaporation temperature of the ammonia refrigerant on the cold side and lower the condensing temperature on the hot side, increasing the energy efficiency, says Alfa Laval.
The RedGenium and Red Astrum heat pumps have been successfully implemented in Europe.
Meat processing facilities face significant challenges in reducing energy
A chiller’s waste heat should be used with a heat pump, and not with a gas boiler, says J&E Hall expert.
Norwegian dairy plant cuts energy consumption by 40% with ammonia-water heat pump system, says SINTEF.
The plate-and-shell heat exchanger improves a heat pump’s COP by desuperheating, condensating and subcooling R717 in a single unit; online launch set for Nov. 26.
More efficient heat pumps are replacing gas heaters, says cautionary 2020 annual report by the GreenBiz Group.