For a replacement you can use the Advent Air Replacement RV Air Conditioner for Coleman Setup # ACCOL150B you were looking at. We also have it available in white # ACCOL150 if you would prefer it over black. None of the AC units we offer come with a heat pump like your existing Coleman but you can add the Electric Heat Strip for Advent Air RV Air Conditioners - 5,500 BTU # ACMHD. view full answer...