The heat pump has evolved considerably over the years and has become increasingly environmentally friendly. For example, every heat pump works with a refrigerant, which is required to extract heat from the source (air or soil) and transfer it to the water of the system. For years, R410A was the standard refrigerant in heat pumps, which is now gradually being replaced by the natural R290, or propane.
By comparison, the f-gas R410A has a global warming potential (GWP) of 2,088 while the natural refrigerant R290 (not f-gas!) is equal to 3. This means that the harmful warming effect of R410A relative to CO2 is many times greater than that of propane (R290), which is almost zero.
Renovation house
Panasonic's latest generation of heat pumps, which will be on display at VSK, use this refrigerant. For example, the Aquarea L-series heat pump. This all-electric air-water heat pump series is designed to maximize the properties of the R290 refrigerant. This enables a central heating supply temperature of up to 75 °C, even with outdoor temperatures of -10 °C, making it an ideal replacement for the boiler. In addition, the system can use the existing pipes and radiators in the home. This makes this heat pump very suitable for renovation projects.
Larger applications
For large commercial, industrial or residential applications with multiple homes, Panasonic is showing the new durable and highly efficient ECOi-W AQUA-G BLUE air-water heat pump at VSK 2024. With four sizes from 50 kW to 80 kW, Panasonic offers a unique range of heat pumps with R290 refrigerant and scroll compressor technology. In addition, the series can increase output up to 480 (kW) by connecting up to 6 units in cascade.
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