PlumbBobSquarePants New Member Messages 12 Reaction score 0 Points 0 Sep 16, 2007 #1 Is there going to be much difference in charging a 410A heat pump system in 50 degree F weather vs. 80 weather? Can you charge the system accurately in both extremes?
Is there going to be much difference in charging a 410A heat pump system in 50 degree F weather vs. 80 weather? Can you charge the system accurately in both extremes?