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What is the air temperature drop across the evaporator coil?
What is the R/H of the air returning to the air handler?
What refrigerant and what were the pressures?
What is the temperature of the refrigerant leaving the evaporator? (suction line temperature)
What is the temperature of the refrigerant entering the air handler? (liquid line temperature)
Horizontal or vertical air handle or indoor unit?
It is possible that the air velocity is too high and the air isn't in contact with the evaporator long enough to wring any moisture from it.
As mentioned above, too high of velocity could also pull the condensate off the evaporator but you should be able to detect that by seeing some moisture in the supply ducting.
Did your HVAC guy leave behind a work order with his findings?
__________________
Bill K.
"I started out with nothin and I still got most of it left...."
83 911 SC Guards Red (now gone)
And I sold a bunch of parts I hadn't installed yet.
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