Just have them pull the coil from the coil box, install the box the coil goes in, preserve the coil in a nice conditioned place, then if you ever want to install a/c, they can just slip the coil back into the box.
“Experience is a hard teacher because she gives the test first, the lesson afterwards". -Vernon Law-
"Never let success go to your head, and never let failure go to your heart". - Unknown
"To face tragedy is the greatest challenge; to overcome tragedy is the greatest success" -Ranal Currie-