I'm in the process of changing out my furnace and have gotten a few
quotes but here's an interesting question.

The AC unit outside (a 10SEER 2.5ton) has been replaced not too long
ago and is in fact still under warranty. In changing out the
evaporator coil and to protect for a bigger AC unit later down the
line, it was suggested that I go with a 3ton evap with a TXV valve...

Question: Does this mix cause any angst for the AC unit (the
condensor?)

Thanks