Abstract: A condensing unit is provided and may include a support base having a first retention feature and a second retention feature and a shroud having a first locking feature receiving one of the first retention feature and the second retention feature to automatically attach the shroud to the support base when the shroud is moved a first predetermined distance relative to the support base. A heat exchanger may include at least one second locking feature receiving the other of the first locking feature and the second locking feature to automatically attach the heat exchanger to the support base when the heat exchanger is moved a second predetermined distance relative to the support base.