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Well the contractor sucks and they sub out the PMs. Basically all they do is clean the filters (barely) and move to the next.

On another note, the outside louvers also vent the 2 sides where...

HVAC Professionals,

I am a maintenance technician for US Navy dormitories on Okinawa. I have 2 buildings with a combined total of 200 Carrier PTAC Units. We have at least 2-3 overflows out the...