Vehicle features tend to trickle down. In-car air conditioning was first introduced by Packard, the maker of automobiles for royalty and Roosevelts. Today, the lowest end compact comes with a/c. The latest version of the ProMaster work van from Ram, the truck division of Stellantis, offers many features previously only available on consumer vehicles.

The 2022 ProMaster improves its efficiency, safety, and connectivity. Dave Sowers, head of Ram Commercial, said it provides a return on investment for HVAC contractors by helping ease one of their biggest challenges these days — higher operating costs.