Wow! I've got to read more.. Just found out about the
time required to dehydrate your system
takes longer if it's cold out..
Refrigeration Vacuum Pumps
Really shows the need for a good vac meter.
It's 60 here today, so it would take 36 hours! Wow.. Longer than I expected.
How does the HVAC tech do these Mini-Split Install jobs and turn
on the system in just a few hours???