Do you have an an oxy/acetelene torch set?
Silver braze rods, and flux
Do you have a vacum pump?
Four valve manifold
Refrigerant leak detector
Do you have a reclaimer?
DOT approved jugs for the refrigerant
Charge weight scale
techs show up without the above.
Better add thermometers to your list.
I had one AC tech show up to charge the system without
having any working thermometers. He had only one and it
was off by about 20 F. I wasn't so sure about his manifold,
as it had the glass/plastic cover broken off of it and some
He overcharged the AC.
The next tech (same company) showed up without any way to reclaim the
excess refrigerant and just bled it off to the atmosphere.
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