My name is George.
I made a water source heat pump using a copeland reciprocating compressor ( 2.7 KW electrical power) and R 134a refriferant.
So far I obtined 3 COP efficiency. To high side pressure I have 135 psi and low side pressure 19 psi.
I would like if possible to get a higher efficiency.
There are any method to get a higher efficiency for my heat pump?
Thank you
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