"Nathan W. Collier" > wrote in message =
...
> "Matt Macchiarolo" > wrote in message=20
> ...
> > Just curious, are you qualified to work on old York commercial A/C =
units?
>=20
> yes. the only area i dont consider myself qualified on yet is ground=20
> source/geo thermal. i have field experience and can work through most =
> issues but have no formal training on them yet. ill be in the next =
course=20
> offered by water furnace.
Do you do cryo?
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Steve
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