Why some installers refuse to install a heatpump during the cold season (ex: outdoor at 5 deg Fahrehneit) claiming that calibrating the refrigerant pressure is difficult to do while others installers say that there is no problem.
Who is telling the truth ?
What is your opinion about this ?
If it true, what is this temperature limit ?
Who is telling the truth ?
What is your opinion about this ?
If it true, what is this temperature limit ?
source https://hvac-talk.com/vbb/threads/2235461-Heatpump-installation-while-winter?goto=newpost
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