Swimming pool heat pump Working principle Transfer heat from the outside air to the pool. Providing the most energy efficient pool and spa heating available. Advantages Compared to gas,oil or electric heaters, heat pumps operate up to 80% less, saving you money in energy costs each year. Compact design.The best compact design make full use of the internal space. Titanium heat exchanger allows heat pumps to be used on chlorinated pools against corrosion and deliver superior hydraulic flow. Minimum noise. use the high yield rotary and scroll compressors of prestigious brand with realize the high efficiency and low noise together. Intelligent controller exactly adjusts the desired temperature. Technic Data of Models ModelHAT500HAT600HAT1000HAT1200HAT1500HAT1800DataCV5HP6HP10HP12HP15HP18HPHeating capacityBTU/h7200085000170600204600255900306900W210002500050000600007500090000Heating power inputW4500550010000125001550019000EfficiencyCOP4.74.654.84.84.7Heating stated CurrentA7.89.616.520.828.534.8Power SupplyV/PH/HZ380/3/50380/3/50380/3/50380/3/50380/3/50380/3/50Compressor Quantitypcs112233Compressor typeScrollHeat exchangerPVC HERMETIC WATER BARREL WITH SPIRAL SOFT TITANIUM PIPES INSIDERefrigerantR22/R407C/R410AFan quantitym3/h1.952.874.68.713.517.6Fan power inputW323636383838Fan rotate speedRPM750750870150015001500Blower styleUP-BLOW WITH INSTALLED HORIZONTALNoise leveldB(A)710710810120012001200Water connectionmm109/128139/162170/215263/298295/337335/370Water flow volumem3/h7.58.512152025Water pressure dropkPa121212121515Net dimensionmm670*670*850670*670*9501350*690*8501350*690*8501800*900*9501800*900*950Weight net/grosskg110/135114/140220/280230/290350/400370/420 Any other questions and help ,please don't hesitate to caontact me!